2003 YS179 (original) (raw)
_dynamical type, primary:_TNO, Cubewano
_orbital data, primary (osculating elements)_[JPL] :
| semimajor axis a: | 43.863 AU |
|---|---|
| orbital period P: | 290.506 yr (= 106107.5 d) |
| eccentricity e: | 0.02528 |
| perihelion distance q: | 42.754 AU |
| aphelion distance Q: | 44.972 AU |
| inclination i: | 3.72440° |
| argument of perihelion ω: | 114.26° |
| ascending node Ω: | 86.5251° |
| mean anomaly M: | 285.90° |
| perihelion passage TP: | 2074 Mar 10 |
| Epoch**:** | 2014 May 23 |
| data arc**:** | 2003-2013 (20 obs.) |
| Earth MOID**:** | 41.7538 AU |
| Jupiter Tisserand invariant TJ: | 5.911 |
| Neptune Tisserand invariant TN: | 3.10 [*D] |
orbital data, secondary:
| semimajor axis as: | 7830 ± 90 km (separation) [G12b] |
|---|---|
| separation/primary radius as/rp: | 120 [*E] |
| separation/Hill radius as/rH: | 0.018 [*E] |
| orbital period Ps: | 150 d [*E] |
| eccentricity es: | ? |
| normalized ang. mom. αL: | ? |
other data, system (combined):
| absolute mag. H: | 6.8 [MPC] |
|---|---|
| slope parameter G: | (0.15) [*A] |
| effective diameter dE: | 167 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: | 420000 km [*E] |
other data, primary:
| diameter dp: | 126 km [*E] |
|---|---|
| rotation period RPp: | ? |
| amplitude in mag., rotational ΔM: | ? |
| pole direction Β, λ: | ? , ? |
other data, secondary:
| diameter ds: | 110 km [*E] |
|---|---|
| diameter ratio ds/dp: | 0.871 [G12b] |
| component mag. difference ΔM: | 0.3 [G12b] |
| rotation period RPs: | ? |