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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2186060365023703 3.6636e-08  
a 2.240133791212006 7.0155e-09 au
q 1.750427021880121 8.0093e-08 au
i 6.158950276543306 3.9248e-06 deg
node 120.01557556 4.0811e-05 deg
peri 204.3341304125458 4.1983e-05 deg
M 93.01242646635816 1.0695e-05 deg
tp 2458284.091722773958
(2018-Jun-14.59172277)
3.5728e-05 TDB
period 1224.64260022906
3.35
5.7529e-06
1.575e-08
d
yr
n .2939633162627731 1.3809e-09 deg/d
Q 2.729840560543891 8.5491e-09 au
  Orbit Determination Parameters
   # obs. used (total)      779  
   data-arc span      10053 days (27.52 yr)  
   first obs. used      1991-07-12  
   last obs. used      2019-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56728  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:05:26  

Additional Information
 Earth MOID = .739277 au 
 Jupiter MOID = 2.59828 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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