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52299 (1991 NJ1)
Classification: Main-belt Asteroid          SPK-ID: 2052299
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2197165684981107 7.3395e-08  
a 2.239659909861883 1.476e-08 AU
q 1.747569519864242 1.6949e-07 AU
i 6.161481108466454 7.0155e-06 deg
node 120.0812117129516 6.1259e-05 deg
peri 204.2209480817321 6.3589e-05 deg
M 342.6709831450767 1.9602e-05 deg
tp 2457059.430885171751
(2015-Feb-05.93088517)
6.7031e-05 JED
period 1224.254026609872
3.35
1.2102e-05
3.313e-08
d
yr
n .2940566191126931 2.9069e-09 deg/d
Q 2.731750299859524 1.8003e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      436  
   data-arc span      8389 days (22.97 yr)  
   first obs. used      1991-07-12  
   last obs. used      2014-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59672  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 17:54:49  

Additional Information
 Earth MOID = .738045 AU 
 T_jup = 3.596 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9 mag n/a MPO263765  

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 | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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