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117946 (6276 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117946
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 .2042918443192836 4.0067e-08  
a 3.102860600880724 2.1252e-08 au
q 2.468971486061161 1.2544e-07 au
i 1.019690769724134 4.6397e-06 deg
node 204.6261821217763 0.00031251 deg
peri 207.5453286227633 0.00031283 deg
M 308.3791377400916 1.3339e-05 deg
tp 2459286.762577979130
(2021-Mar-13.26257798)
7.4343e-05 TDB
period 1996.373628042334
5.47
2.051e-05
5.615e-08
d
yr
n .1803269663269495 1.8526e-09 deg/d
Q 3.736749715700288 2.5593e-08 au
  Orbit Determination Parameters
   # obs. used (total)      471  
   data-arc span      21860 days (59.85 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53137  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:01:06  

Additional Information
 Earth MOID = 1.48003 au 
 Jupiter MOID = 1.64186 au 
 T_jup = 3.189 
[ 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 15.4   n/a MPO453650  

117946 (6276 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
 6276 P-L = 1998 SD7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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