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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2196900718996191 8.7418e-08  
a 2.239407465323626 1.358e-08 AU
q 1.747431878254135 1.9807e-07 AU
i 6.161426419223156 1.0149e-05 deg
node 120.0819844089604 6.592e-05 deg
peri 204.2484648678255 6.9068e-05 deg
M 283.8297374944294 2.1764e-05 deg
tp 2457059.488846218475
(2015-Feb-05.98884622)
7.5438e-05 JED
period 1224.047043711217
3.35
1.1135e-05
3.049e-08
d
yr
n .2941063432566346 2.6753e-09 deg/d
Q 2.731383052393118 1.6564e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      383  
   data-arc span      8301 days (22.73 yr)  
   first obs. used      1991-07-12  
   last obs. used      2014-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .63065  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:56:14  

Additional Information
 Earth MOID = .73605 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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