Asteroids with Satellites Database--Johnston's Archive
2002 BM26
compiled by Wm. Robert Johnston
last updated
20 September 2014
--Orbital and physical data--
(See this page for definitions of quantities; source codes in brackets, see this link for full references; *A, *D, and *E indicate assumed, derived, and estimated values, respectively.)
dynamical type, primary:
NEA, Amor
(PHA)
orbital data, primary (osculating elements)
[JPL]
: |
semimajor axis a: |
1.832461461 AU
| |
orbital period P: |
2.480621346 yr
(= 906.0469468 d)
| |
eccentricity e: |
0.444462980
| |
perihelion distance q: |
1.018000178 AU
| |
aphelion distance Q: |
2.646922743 AU
| |
inclination i: |
16.215135°
| |
argument of perihelion ω: |
180.432117°
| |
ascending node Ω: |
319.6535528°
| |
mean anomaly M: |
340.597789°
| |
perihelion passage TP: |
2014 Jul 10.83142
| |
Epoch: |
2014 May 23
| |
data arc: |
2002-2007
(243 obs.)
| |
Earth MOID: |
0.0314863 AU
| |
Jupiter Tisserand invariant TJ: |
3.86
|
orbital data, secondary:
|
semimajor axis as: |
1.4
km
[*E]
| |
separation/primary radius as/rp: | 4.7 [*E] | |
separation/Hill radius as/rH: | 0.029 [*E] | |
orbital period Ps: |
1.075
± 0.012
d [B06c]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
20.1
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
0.61
km [*D]
| |
geometric albedo: |
0.05
[D03a]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
taxonomic type: |
X (SMASSII) [JPL]
| |
mass m: |
?
| |
density ρ: |
(1.6
g/cm3) [*A]
| |
Hill radius rH: |
48 km [*E]
|
other data, primary:
|
diameter dp: |
0.6
± 0.03
km [N02a]
| |
rotation period RPp: |
2.7
h [N02a]
| |
amplitude in mag., rotational ΔM: |
?
| |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
0.1
± 0.03
km [N02a]
| |
diameter ratio ds/dp: |
0.167
± 0.051
[*D]
| |
component mag. difference ΔM: |
3.9
[* D]
| |
rotation period RPs: |
?
| |
|
|
--
2002 BM26
--discovery and notes:
Primary discovered
2002 Jan 26
from
Lincoln Laboratory ETS, New Mexico, USA
by
LINEAR.
Companion discovered
2002 Feb 09
by M. C. Nolan, E. S. Howell, C. Magri, B. Beeney, D. B. Campbell, L. A. M. Benner, S. J. Ostro, J. D. Giorgini, and J.-L. Margot
using
radar
observations from Arecibo Observatory, Puerto Rico.
Announced
2002 Feb 11 [N02a].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Brooks, Heidi E. 2006, Bulletin of the American Astronomical Society Orbits of Binary Near-Earth Asteroids from Radar Observations
- Ticha, J., Tichy, M., Galad, A., Kornos, L., Griesser, M., Anzellini, F., Haver, R., Pelloni, A., Gorelli, R., Postel Observatory, J. B., Pozzoli, V., Hasubick, W., Busch, M., Seib, A., Haag, H., Rogers, J. E., Blythe, M., Shelly, F., Bezpalko, M., Huber, R., Manguso, L., Adams, S., Piscitelli, J., Stuart, J., Sayer, R., Evans, J. B., Viggh, H., Dyvig, R., Nomen, J., & Spahr, T. B. 2002, Minor Planet Electronic Circ., 2002-C14 (2002). 2002 BM26
- Nolan, M. C., Howell, E. S., Magri, C., Beeney, B., Campbell, D. B., Benner, L. A. M., Ostro, S. J., Giorgini, J. D., & Margot, J.-L. 2002, International Astronomical Union Circular 2002 BM_26
©
2002-2007, 2014
by Wm. Robert Johnston.
Last modified
20 September 2014.
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