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15642 (2679 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2015642
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1956249274254212 4.2953e-08  
a 2.252898281276484 8.2487e-09 au
q 1.812175218504916 9.9028e-08 au
i 3.730907886330775 4.4154e-06 deg
node 160.0133323457488 5.0078e-05 deg
peri 189.4163306087116 5.0817e-05 deg
M 241.7944544326625 9.7766e-06 deg
tp 2459406.051632025363
(2021-Jul-10.55163203)
3.4899e-05 TDB
period 1235.12468749582
3.38
6.7834e-06
1.857e-08
d
yr
n .2914685485964092 1.6008e-09 deg/d
Q 2.693621344048053 9.8624e-09 au
  Orbit Determination Parameters
   # obs. used (total)      765  
   data-arc span      21765 days (59.59 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59349  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:13:33  

Additional Information
 Earth MOID = .805971 au 
 Jupiter MOID = 2.73044 au 
 T_jup = 3.597 
[ 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 16.0   n/a MPO416876  

15642 (2679 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2679 P-L = 1996 EZ7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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