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117928 (4741 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117928
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09770073587644622 4.291e-08  
a 2.364874563159321 9.0327e-09 au
q 2.133824578083166 1.0152e-07 au
i 2.191716735459734 5.0627e-06 deg
node 352.1977598818874 0.00010155 deg
peri 23.23985202538586 0.00010409 deg
M 137.2805079328463 2.2566e-05 deg
tp 2458493.956241489987
(2019-Jan-10.45624149)
8.2783e-05 TDB
period 1328.344102229051
3.64
7.6105e-06
2.084e-08
d
yr
n .2710141140355845 1.5527e-09 deg/d
Q 2.595924548235476 9.9152e-09 au
  Orbit Determination Parameters
   # obs. used (total)      802  
   data-arc span      21758 days (59.57 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55731  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:15:45  

Additional Information
 Earth MOID = 1.1348 au 
 Jupiter MOID = 2.82011 au 
 T_jup = 3.541 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO359565  

117928 (4741 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

[ show close-approach data ]
Alternate Designations
 4741 P-L = 2000 QS207 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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