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146973 (2002 NJ22)
Classification: Main-belt Asteroid          SPK-ID: 2146973
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1478918807884152 4.4917e-08  
a 2.301957108257956 1.2034e-08 au
q 1.961516342023426 1.0529e-07 au
i 6.853076382196918 5.2009e-06 deg
node 141.2266719723198 3.7511e-05 deg
peri 197.8271882572312 4.0828e-05 deg
M 17.42488373736015 1.6602e-05 deg
tp 2458938.753597996705
(2020-Mar-30.25359800)
5.8642e-05 TDB
period 1275.68740522074
3.49
1.0004e-05
2.739e-08
d
yr
n .2822007950589643 2.213e-09 deg/d
Q 2.642397874492487 1.3814e-08 au
  Orbit Determination Parameters
   # obs. used (total)      353  
   data-arc span      7153 days (19.58 yr)  
   first obs. used      1999-10-10  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60079  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:22:40  

Additional Information
 Earth MOID = .953392 au 
 Jupiter MOID = 2.72647 au 
 T_jup = 3.567 
[ 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 MPO436738  

146973 (2002 NJ22)          Discovered 2002-Jul-09 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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