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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .22593650437072 5.6523e-08  
a 2.375525365873354 1.3107e-08 AU
q 1.838807468663952 1.3587e-07 AU
i 22.24557675239544 6.6759e-06 deg
node 172.0439625053134 1.7187e-05 deg
peri 92.14703454251776 2.3371e-05 deg
M 237.2264959322329 1.3985e-05 deg
tp 2457456.579010280301
(2016-Mar-09.07901028)
5.2919e-05 JED
period 1337.327992286361
3.66
1.1068e-05
3.03e-08
d
yr
n .269193497837824 2.2278e-09 deg/d
Q 2.912243263082755 1.6068e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      822  
   data-arc span      22032 days (60.32 yr)  
   first obs. used      1954-09-04  
   last obs. used      2014-12-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50004  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:22:23  

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 13.3 mag n/a MPO240264  
rotation period rot_per 32. h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) 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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