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146977 (2002 NS39)
Classification: Main-belt Asteroid          SPK-ID: 2146977
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2818458234461217 4.7951e-08  
a 2.330017020787213 1.1057e-08 au
q 1.673311454919961 1.0945e-07 au
i 7.467148100255611 5.3653e-06 deg
node 166.2717318784926 4.1676e-05 deg
peri 184.7246364078827 4.2832e-05 deg
M 342.0628587638512 1.3879e-05 deg
tp 2459065.227345120833
(2020-Aug-03.72734512)
5.0418e-05 TDB
period 1299.083501474573
3.56
9.2472e-06
2.532e-08
d
yr
n .2771184451125496 1.9726e-09 deg/d
Q 2.986722586654464 1.4173e-08 au
  Orbit Determination Parameters
   # obs. used (total)      342  
   data-arc span      9083 days (24.87 yr)  
   first obs. used      1995-09-19  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60706  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 11:33:14  

Additional Information
 Earth MOID = .667582 au 
 Jupiter MOID = 2.45105 au 
 T_jup = 3.506 
[ 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 16.5   n/a MPO475274  

146977 (2002 NS39)          Discovered 2002-Jul-15 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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