(162483) 2000 PJ5
compiled by Wm. Robert Johnston
last updated 20 February 2008
Orbital elements and other data (Assumed or derived values in parenthesis, my estimates in italics and parenthesis. Source identifications in brackets, see this link for sources):
orbital data, primary (osculating elements) [JPL]:
|
semimajor axis a: |
0.87266326 AU
| |
orbital period P: |
0.8152 y (=297.761446 d)
| |
eccentricity e: |
0.3735943
| |
perihelion distance q: |
0.5466412 AU
| |
aphelion distance Q: |
1.19868532 AU
| |
inclination i: |
51.18240°
| |
argument of perihelion omega: |
7.60499°
| |
ascending node OMEGA: |
124.43582°
| |
mean anomaly M: |
86.4478°
| |
perihelion passage TP: |
2007-08-16.4977
| |
Epoch: |
27 OCT 2007
| |
data arc: |
2000-2005 (140 obs.)
|
orbital data, secondary:
|
semimajor axis a: |
1.05 ± 0.1 km [P08a]
| |
semimajor axis/primary radius a/Rp: |
(3.8)
| |
orbital period P: |
14.16 ± 0.04 h [P08a]
| |
eccentricity e: |
0.08 ± 0.03 [P08a]
| |
other data, primary:
|
diameter: |
(0.55 km)
| |
absolute magnitude H: |
17.481 ± 0.580 [JPL]
18.41 ± 0.05 [P08a]
| |
rotation period: |
2.642 ± 0.001 h [P08a]
| |
amplitude delta M: |
0.25 ± 0.05 [P08a]
| |
color index B-V: |
0.83 ± 0.03 [P08a]
| |
color index V-R: |
0.48 ± 0.03 [P08a]
| |
color index R-I: |
?
| |
slope parameter G: |
(0.15) [a]
| |
geometric albedo: |
0.2 ± 0.05 [a] [P08a]
| |
mass: |
?
| |
density: |
?
| |
type: |
S? [P08a]
|
other data, secondary:
|
diameter: |
(0.28 km)
| |
diameter ratio Ds/Dp: |
0.5 [P08a]
| |
component magnitude difference: |
(1.5)
| |
rotation period: |
?
|
|
--(162483) 2000 PJ5--discovery and notes:
Primary discovered 4 August 2000 by the LINEAR program at Socorro.
Companion identified from lightcurve observations 3-10 July 2005 by D. Polishook and N. Brosch, announced February 2008.
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
© 2008 by Wm. Robert Johnston.
Last modified 20 February 2008.
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