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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2259364782350574 5.3559e-08  
a 2.375525358161077 1.228e-08 AU
q 1.83880752478009 1.3e-07 AU
i 22.24557256662014 6.0808e-06 deg
node 172.0439472742825 1.4746e-05 deg
peri 92.14706501047301 1.9608e-05 deg
M 237.2264876737795 1.3066e-05 deg
tp 2457456.579038737774
(2016-Mar-09.07903874)
5.0043e-05 JED
period 1337.327985773795
3.66
1.037e-05
2.839e-08
d
yr
n .2691934991487517 2.0873e-09 deg/d
Q 2.912243191542064 1.5054e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      910  
   data-arc span      22180 days (60.73 yr)  
   first obs. used      1954-09-04  
   last obs. used      2015-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49195  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 15:59:02  

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-May); 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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