2002 VD131 (original) (raw)

_dynamical type, primary:_TNO, Cubewano


_orbital data, primary (osculating elements)_[JPL] :

semimajor axis a: 44.95 AU
orbital period P: 301.37 yr (= 110075.7 d)
eccentricity e: 0.06554
perihelion distance q: 42.004 AU
aphelion distance Q: 47.896 AU
inclination i: 0.85201°
argument of perihelion ω: 238.54°
ascending node Ω: 84.591°
mean anomaly M: 71.14°
perihelion passage TP: 1959 Oct 06.0
Epoch**:** 2019 Apr 27
data arc**:** 2002-2013 (16 obs.)
Earth MOID**:** 40.9908 AU
Jupiter Tisserand invariant TJ: 5.981

orbital data, secondary:

semimajor axis as: 14900 ± 600 km (separation) [F17a]
separation/primary radius as/rp: 190 [*E]
separation/Hill radius as/rH: 0.023 [*E]
orbital period Ps: 220 d [*E]
eccentricity es: ?
normalized ang. mom. αL: ?

other data, system (combined):

absolute mag. H: 6.5 [MPC]6.9 ± 0.5 [G19c]
slope parameter G: (0.15) [*A]
effective diameter dE: 221 km [*E]
geometric albedo**:** (0.09 ) [*A]
color index U-B: ?
color index B-V: ?
taxonomic type**:** ?
mass m: ?
density ρ: (1 g/cm3) [*A]
Hill radius rH: 640000 km [*E]

other data, primary:

diameter dp: 214 km [*E]
rotation period RPp: ?
amplitude in mag., rotational ΔM: ?
pole direction Β, λ: ? , ?

other data, secondary:

diameter ds: 54 km [*E]
diameter ratio ds/dp: 0.25 ± 0.02 [F17a]
component mag. difference ΔM: 3.0 [*D]
rotation period RPs: ?