(5425)
_dynamical type, primary:_main belt asteroid
_orbital data, primary (osculating elements)_[JPL] :
| semimajor axis a: | 2.454054108 AU |
|---|---|
| orbital period P: | 3.844379042 yr (= 1404.185965 d) |
| eccentricity e: | 0.13464616 |
| perihelion distance q: | 2.12362515 AU |
| aphelion distance Q: | 2.78448307 AU |
| inclination i: | 6.2689129° |
| argument of perihelion ω: | 25.373578° |
| ascending node Ω: | 355.93676° |
| mean anomaly M: | 349.43684° |
| perihelion passage TP: | 2015 Aug 07.201780 |
| Epoch**:** | 2015 Jun 27 |
| data arc**:** | 1955-2015 (1291 obs.) |
| Earth MOID**:** | 1.1279 AU |
| Jupiter Tisserand invariant TJ: | 3.473 |
orbital data, secondary:
| semimajor axis as: | 16 km [*E] |
|---|---|
| separation/primary radius as/rp: | 4.6 [*D] |
| separation/Hill radius as/rH: | 0.012 [*D] |
| orbital period Ps: | 1.0596 ± 0.0008 d [S15d] |
| eccentricity es: | ? |
| normalized ang. mom. αL: | ? |
other data, system (combined):
| absolute mag. H: | 13 [MPC] |
|---|---|
| slope parameter G: | (0.15) [*A] |
| effective diameter dE: | 7.05 ± 0.13 km [M11b] |
| geometric albedo**:** | 0.246 ± 0.02 [M11b] |
| color index U-B: | ? |
| color index B-V: | ? |
| taxonomic type**:** | ? |
| mass m: | ? |
| density ρ: | (1.6 g/cm3) [*A] |
| Hill radius rH: | 1300 km [*E] |
other data, primary:
| diameter dp: | 6.89 ± 0.13 km [*D] |
|---|---|
| axial ratios a/b, b/c: | 1.3, ? [S15d] |
| rotation period RPp: | 2.64759 ± 0.000004 h [S15d] |
| amplitude in mag., rotational ΔM: | 0.27 ± 0.02 [S15d] |
| amplitude in mag., mutual events ΔM: | 0.065 ±0.015 [S15d] |
| pole direction Β, λ: | ? , ? |
other data, secondary:
| diameter ds: | 1.52 ± 0.14 km [*D] |
|---|---|
| diameter ratio ds/dp: | 0.22 ± 0.02 [S15d] |
| component mag. difference ΔM: | 3.3 ± 0.2 [*D] |
| rotation period RPs: | ? |