(7225) Huntress
compiled by Wm. Robert Johnston
last updated 1 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: |
2.3402782 AU
| |
orbital period P: |
3.58 y (=1,307.674 d)
| |
eccentricity e: |
0.2050115
| |
perihelion distance q: |
2.3402782 AU
| |
aphelion distance Q: |
2.8200621 AU
| |
inclination i: |
6.88117°
| |
argument of perihelion omega: |
203.10248°
| |
ascending node OMEGA: |
275.94771°
| |
mean anomaly M: |
331.93502°
| |
perihelion passage TP: |
2008-02-05.944
| |
Epoch: |
27 OCT 2007
| |
data arc: |
1983-2007 (445 obs.)
|
orbital data, secondary:
|
semimajor axis a: |
?
| |
semimajor axis/primary radius a/Rp: |
?
| |
orbital period P: |
?
| |
eccentricity e: |
?
| |
other data, primary:
|
diameter: |
(~6 km?)
| |
absolute magnitude H: |
13.3 [JPL]
| |
rotation period: |
?
| |
amplitude delta M: |
?
| |
color index B-V: |
?
| |
color index V-R: |
?
| |
color index R-I: |
?
| |
slope parameter G: |
(0.15) assumed
| |
geometric albedo: |
?
| |
mass: |
?
| |
density: |
?
| |
type: |
S [JPL]
|
other data, secondary:
|
diameter: |
?
| |
diameter ratio Ds/Dp: |
?
| |
component magnitude difference: |
?
| |
rotation period: |
?
|
|
--(7225) Huntress--discovery and notes:
Primary discovered 22 January 1983 by E. Bowell at the Anderson Mesa Station of the Lowell Observatory. Alternate designation 1983 BH.
Companion reported 31 January 2008 based on lightcurve observations by the Ondrejov program.
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
© 2008 by Wm. Robert Johnston.
Last modified 1 February 2008.
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