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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2156679464620491 3.8873e-08  
a 2.44366228723129 8.496e-09 au
q 1.916642659897364 9.6674e-08 au
i 3.093624222351199 4.3687e-06 deg
node 134.883345191791 6.7027e-05 deg
peri 171.7112745147666 6.7562e-05 deg
M 3.424537886929755 9.3582e-06 deg
tp 2459383.227287687101
(2021-Jun-17.72728769)
3.6248e-05 TDB
period 1395.276265121822
3.82
7.2765e-06
1.992e-08
d
yr
n .2580134192769117 1.3456e-09 deg/d
Q 2.970681914565216 1.0328e-08 au
  Orbit Determination Parameters
   # obs. used (total)      781  
   data-arc span      22201 days (60.78 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5494  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:52:37  

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 15.75   n/a E2021B10  

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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