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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2264687683454728 6.5721e-08  
a 2.374591409022366 1.3633e-08 AU
q 1.83682061729733 1.5721e-07 AU
i 22.23979844794878 7.5946e-06 deg
node 172.0794992854262 1.9481e-05 deg
peri 92.12606523110122 2.6648e-05 deg
M 183.383434165152 1.589e-05 deg
tp 2457456.208329367821
(2016-Mar-08.70832937)
6.0262e-05 JED
period 1336.53939796988
3.66
1.151e-05
3.151e-08
d
yr
n .2693523292667748 2.3196e-09 deg/d
Q 2.912362200747402 1.6721e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      805  
   data-arc span      21640 days (59.25 yr)  
   first obs. used      1954-09-04  
   last obs. used      2013-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4966  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Dec-19 23:14:30  

Additional Information
 Earth MOID = .972513 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 13.3 mag n/a MPO240264  
rotation period rot_per 32. h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) 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 (675)
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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