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117863 (2028 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117863
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2094492708938195 4.0977e-08  
a 2.124909667182684 8.2309e-09 au
q 1.679848886676042 8.3885e-08 au
i 1.987213743715542 4.4996e-06 deg
node 344.5315679561332 0.00015139 deg
peri 337.4001875674414 0.00015311 deg
M 126.9328780518172 2.461e-05 deg
tp 2458601.584637262300
(2019-Apr-28.08463726)
7.6836e-05 TDB
period 1131.381662416471
3.10
6.5737e-06
1.8e-08
d
yr
n .3181950105423232 1.8488e-09 deg/d
Q 2.569970447689326 9.9549e-09 au
  Orbit Determination Parameters
   # obs. used (total)      732  
   data-arc span      21666 days (59.32 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52068  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:51:21  

Additional Information
 Earth MOID = .667534 au 
 Jupiter MOID = 2.74529 au 
 T_jup = 3.698 
[ 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 16.2   n/a MPO449689  

117863 (2028 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
 2028 P-L = 1991 VG14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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