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7663 (1994 RX1)
Classification: Main-belt Asteroid          SPK-ID: 2007663
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2259364787905677 5.4073e-08  
a 2.375525358182912 1.2395e-08 AU
q 1.838807523477362 1.3102e-07 AU
i 22.24557308009879 6.1533e-06 deg
node 172.0439500196249 1.536e-05 deg
peri 92.147062917211 2.0296e-05 deg
M 237.2264872890914 1.3194e-05 deg
tp 2457456.579040173102
(2016-Mar-09.07904017)
5.0441e-05 JED
period 1337.327985792233
3.66
1.0467e-05
2.866e-08
d
yr
n .2691934991450403 2.1069e-09 deg/d
Q 2.912243192888461 1.5196e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      882  
   data-arc span      22086 days (60.47 yr)  
   first obs. used      1954-09-04  
   last obs. used      2015-02-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49429  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:09:59  

Additional Information
 Earth MOID = .975778 AU 
 T_jup = 3.409 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4 mag n/a MPO324379  
rotation period rot_per 32. h n/a LCDB (Rev. 2015-Feb); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Behrend, R. (2001) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]

7663 (1994 RX1)          Discovered 1994-Sep-02 by Helin, E. F. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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