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117930 (4747 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117930
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09478908790192654 5.3465e-08  
a 2.296201259663764 1.1219e-08 au
q 2.078546436620981 1.2679e-07 au
i 6.81494715154088 7.5632e-06 deg
node 8.667404665082758 4.322e-05 deg
peri 44.41263490733118 5.8727e-05 deg
M 12.6606632708504 3.8782e-05 deg
tp 2458955.804138703306
(2020-Apr-16.30413870)
0.00013687 TDB
period 1270.905775043882
3.48
9.3144e-06
2.55e-08
d
yr
n .283262541621207 2.076e-09 deg/d
Q 2.513856082706547 1.2283e-08 au
  Orbit Determination Parameters
   # obs. used (total)      331  
   data-arc span      21672 days (59.33 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60296  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:52:05  

Additional Information
 Earth MOID = 1.09453 au 
 Jupiter MOID = 2.76686 au 
 T_jup = 3.579 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO401043  

117930 (4747 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 4747 P-L = 2002 XR7 = 2004 GU59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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