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117936 (4899 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117936
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1855850561410355 5.9257e-08  
a 2.73064110806271 1.4556e-08 au
q 2.223874924721872 1.5799e-07 au
i 3.662563831724132 6.3877e-06 deg
node 176.3200693215735 6.4984e-05 deg
peri 161.7445373600016 6.6488e-05 deg
M 103.121761836963 1.3774e-05 deg
tp 2458528.390014295504
(2019-Feb-13.89001430)
6.1314e-05 TDB
period 1648.144793359205
4.51
1.3179e-05
3.608e-08
d
yr
n .2184274108989281 1.7465e-09 deg/d
Q 3.237407291403547 1.7257e-08 au
  Orbit Determination Parameters
   # obs. used (total)      295  
   data-arc span      21674 days (59.34 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58842  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:52:06  

Additional Information
 Earth MOID = 1.21523 au 
 Jupiter MOID = 2.16064 au 
 T_jup = 3.326 
[ 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 16.5   n/a MPO502792  

117936 (4899 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
 4899 P-L = 1996 RM6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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