Asteroids with Satellites Database--Johnston's Archive

(5232) Jordaens

compiled by Wm. Robert Johnston
last updated 2 May 2024

--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: main belt asteroid


orbital data, primary (osculating elements) [JPL] :
semimajor axis a: 2.84963557692 AU
orbital period P: 4.8105218163 yr
(= 1757.0430934 d)
eccentricity e: 0.16080869521
perihelion distance q: 2.391389398 AU
aphelion distance Q: 3.30788175589 AU
inclination i: 12.21464126°
argument of perihelion ω: 97.61727536°
ascending node Ω: 165.45288138°
mean anomaly M: 197.63906705°
perihelion passage TP: 2026 Jun 01.4309885
Epoch: 2024 Mar 31
data arc: 1955-2024 (5423 obs.)
Earth MOID: 1.41386 AU
Jupiter Tisserand invariant TJ: 3.254


orbital data, secondary:
semimajor axis as: 34 km (separation) [S24c]
separation/primary radius as/rp:6.8 [*E]
separation/Hill radius as/rH:0.016 [*E]
orbital period Ps: 1.5 d [*E]
eccentricity es: ?
normalized ang. mom. αL: ?

other data, system (combined):
absolute mag. H: 12.29 [MPC]
slope parameter G: (0.15) [*A]
effective diameter dE: 11.56 ± 0.21 km [M19a]
geometric albedo: 0.209 ± 0.022 [M19a]
color index U-B: ?
color index B-V: ?
color index J-H:0.467 ± 0.067 [S10b]
taxonomic type: S (Tholen) [LAD]
mass m: ?
density ρ: (1.6 g/cm3) [*A]
Hill radius rH: 2200 km [*E]

other data, primary:
diameter dp: 10 km [S24b]
rotation period RPp: 10.58 ± 0.01 h [D16a]
amplitude in mag., rotational ΔM: 0.73 ± 0.15 [D16a]
pole direction Β, λ: ? , ?


other data, secondary:
diameter ds: 8.3 km [S24b]
diameter ratio ds/dp: 0.83 [*D]
component mag. difference ΔM: 0.40 [*D]
rotation period RPs: ?

-- (5232) Jordaens --discovery and notes:

Primary discovered 1988 Aug 14 from Haute Provence, France by E. W. Elst. Alternate designation(s): 1988 PR1, 1978 ND3. Linked to prediscovery observations from 1955 Oct 23. Permanent number assigned 1992 Jun 15.

Named 1993 Feb 06 for Jacob Jordaens (1593-1678) [MPC021610].

Companion discovered 2024 Feb 01 by M. Simpson, B. Yeung, and G. Schmidt using stellar occultation observations from Calgary, Alberta, Canada. Announced 2024 Apr 17 [S24b].

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:


© 2024 by Wm. Robert Johnston.
Last modified 2 May 2024.
Return to Home. Return to Astronomy and Space. Return to Asteroids with Satellites.