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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2194695755564554 5.3171e-08  
a 2.239475195900358 1.2751e-08 au
q 1.747978525186897 1.2057e-07 au
i 6.161109102794697 6.6506e-06 deg
node 120.0794392279279 5.5172e-05 deg
peri 204.1818050890747 5.7903e-05 deg
M 159.1827161828479 1.9921e-05 deg
tp 2457059.233408588149
(2015-Feb-05.73340859)
6.4787e-05 JED
period 1224.102575837704
3.35
1.0454e-05
2.862e-08
d
yr
n .2940930009510331 2.5117e-09 deg/d
Q 2.73097186661382 1.5549e-08 au
  Orbit Determination Parameters
   # obs. used (total)      508  
   data-arc span      8980 days (24.59 yr)  
   first obs. used      1991-07-12  
   last obs. used      2016-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58098  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 23:22:01  

Additional Information
 Earth MOID = .737068 au 
 Jupiter MOID = 2.58907 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 16.0 mag n/a MPO365860  

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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