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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .219716565284989 7.3678e-08  
a 2.239659909638071 1.4766e-08 AU
q 1.747569526885905 1.7008e-07 AU
i 6.161480819008694 7.0858e-06 deg
node 120.0812117039371 6.1259e-05 deg
peri 204.2209486777993 6.36e-05 deg
M 342.6709828104908 1.9612e-05 deg
tp 2457059.430886300745
(2015-Feb-05.93088630)
6.7066e-05 JED
period 1224.25402642636
3.35
1.2107e-05
3.315e-08
d
yr
n .2940566191567713 2.908e-09 deg/d
Q 2.731750292390236 1.801e-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      .59637  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 15:17:17  

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 (675)
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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