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JPL Small-Body Database Browser
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146978 (2002 NG45)
Classification: Main-belt Asteroid          SPK-ID: 2146978
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1349543447597163 4.9576e-08  
a 2.221198788629137 9.9415e-09 au
q 1.921438361528617 1.0888e-07 au
i 4.415674528035878 5.5648e-06 deg
node 262.4773769936791 6.4308e-05 deg
peri 44.95025039062868 6.7732e-05 deg
M 28.21371768389627 2.1837e-05 deg
tp 2458505.737309139159
(2019-Jan-22.23730914)
7.307e-05 TDB
period 1209.14829772237
3.31
8.1178e-06
2.223e-08
d
yr
n .2977302293507913 1.9988e-09 deg/d
Q 2.520959215729658 1.1283e-08 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      7329 days (20.07 yr)  
   first obs. used      1999-11-04  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58382  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 13:01:38  

Additional Information
 Earth MOID = .908684 au 
 Jupiter MOID = 2.69052 au 
 T_jup = 3.634 
[ 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 16.8   n/a MPO432924  

146978 (2002 NG45)          Discovered 2002-Jul-12 by NEAT at Palomar
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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