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117949 (6316 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117949
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1866826411526097 6.4177e-08  
a 2.45954783342358 1.118e-08 au
q 2.000392947838887 1.5445e-07 au
i 1.704375818136039 5.4367e-06 deg
node 349.0421765330527 0.00011443 deg
peri 6.584447188195404 0.00011492 deg
M 174.4441755177369 9.278e-06 deg
tp 2458317.791501151054
(2018-Jul-18.29150115)
3.5205e-05 TDB
period 1408.903787450507
3.86
9.6065e-06
2.63e-08
d
yr
n .2555178027106031 1.7422e-09 deg/d
Q 2.918702719008273 1.3267e-08 au
  Orbit Determination Parameters
   # obs. used (total)      659  
   data-arc span      21789 days (59.66 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47374  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:15:10  

Additional Information
 Earth MOID = .995843 au 
 Jupiter MOID = 2.52297 au 
 T_jup = 3.466 
[ 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 16.1   n/a MPO453650  

117949 (6316 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 ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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