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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 ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2255013905618075 5.3528e-08  
a 2.374486944018082 1.233e-08 au
q 1.839036836271147 1.2986e-07 au
i 22.25692679346422 6.0828e-06 deg
node 172.0286956958158 1.4736e-05 deg
peri 92.26748397139316 1.9645e-05 deg
M 344.7851307073113 1.3467e-05 deg
tp 2457456.983139861202
(2016-Mar-09.48313986)
5.0187e-05 JED
period 1336.451201707268
3.66
1.0409e-05
2.85e-08
d
yr
n .2693701046024823 2.0981e-09 deg/d
Q 2.909937051765016 1.511e-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 = .973709 au 
 Jupiter MOID = 2.4805 au 
 T_jup = 3.410 
[ 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 102.0 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

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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