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52299 (1991 NJ1)
Classification: Main-belt Asteroid          SPK-ID: 2052299
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2188791797937627 3.6564e-08  
a 2.239756573429712 6.9605e-09 au
q 1.749520491699729 7.9939e-08 au
i 6.159652244566622 3.9028e-06 deg
node 120.0157396239238 3.7436e-05 deg
peri 204.3508878570142 3.8502e-05 deg
M 210.5739055677656 1.0539e-05 deg
tp 2459508.687058728641
(2021-Oct-21.18705873)
3.7193e-05 TDB
period 1224.33328554457
3.35
5.7073e-06
1.563e-08
d
yr
n .2940375829444806 1.3707e-09 deg/d
Q 2.729992655159696 8.484e-09 au
  Orbit Determination Parameters
   # obs. used (total)      842  
   data-arc span      10434 days (28.57 yr)  
   first obs. used      1991-07-12  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55928  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:25:55  

Additional Information
 Earth MOID = .739251 au 
 Jupiter MOID = 2.60109 au 
 T_jup = 3.596 
[ 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 15.9   n/a MPO449338  

52299 (1991 NJ1)          Discovered 1991-Jul-12 by Holt, H. E. at Palomar
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

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