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52143 (6635 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2052143
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2156679305020964 3.6621e-08  
a 2.443662292469319 7.2645e-09 au
q 1.916642703006453 8.9994e-08 au
i 3.093624247736388 4.365e-06 deg
node 134.8833758226447 6.0242e-05 deg
peri 171.7112465796244 6.0819e-05 deg
M 3.424531702300758 7.7209e-06 deg
tp 2459383.227311614609
(2021-Jun-17.72731161)
2.9922e-05 TDB
period 1395.276269608017
3.82
6.2218e-06
1.703e-08
d
yr
n .2580134184473279 1.1505e-09 deg/d
Q 2.970681881932186 8.8313e-09 au
  Orbit Determination Parameters
   # obs. used (total)      860  
   data-arc span      22233 days (60.87 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53541  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:05:50  

Additional Information
 Earth MOID = .901252 au 
 Jupiter MOID = 2.28735 au 
 T_jup = 3.466 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.79   n/a MPO636789  

52143 (6635 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 6635 P-L = 1998 QA9 = 2002 RT18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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