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117875 (2539 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117875
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1510278003002082 4.2963e-08  
a 3.086130828122079 2.7865e-08 au
q 2.620039277712141 1.3592e-07 au
i 5.197323844364725 7.6825e-06 deg
node 357.8241188936184 5.0473e-05 deg
peri 95.78908511086703 5.6521e-05 deg
M 290.4257092424533 2.809e-05 deg
tp 2459383.206830211691
(2021-Jun-17.70683021)
0.00015738 TDB
period 1980.249563108398
5.42
2.682e-05
7.343e-08
d
yr
n .1817952679837525 2.4622e-09 deg/d
Q 3.552222378532016 3.2073e-08 au
  Orbit Determination Parameters
   # obs. used (total)      457  
   data-arc span      21588 days (59.10 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58193  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 11:03:14  

Additional Information
 Earth MOID = 1.64317 au 
 Jupiter MOID = 1.65729 au 
 T_jup = 3.202 
[ 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 14.8   n/a MPO502792  

117875 (2539 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
 2539 P-L = 1998 UU17 = 2000 AM161 = 2003 SC230 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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