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52021 (2002 NK39)
Classification: Main-belt Asteroid          SPK-ID: 2052021
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1703741779481965 5.9819e-08  
a 2.592290831462677 1.1381e-08 au
q 2.150631412049577 1.5098e-07 au
i 15.18034988406341 4.8714e-06 deg
node 200.7261984187026 1.4707e-05 deg
peri 195.6536219333921 1.854e-05 deg
M 107.5106133320035 1.0359e-05 deg
tp 2458745.225997729113
(2019-Sep-18.72599773)
4.3571e-05 TDB
period 1524.488008559526
4.17
1.0039e-05
2.749e-08
d
yr
n .2361448551767622 1.5551e-09 deg/d
Q 3.033950250875777 1.332e-08 au
  Orbit Determination Parameters
   # obs. used (total)      893  
   data-arc span      10575 days (28.95 yr)  
   first obs. used      1992-04-09  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5226  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:16:22  

Additional Information
 Earth MOID = 1.15868 au 
 Jupiter MOID = 2.4155 au 
 T_jup = 3.350 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.35   n/a E2021B10  

52021 (2002 NK39)          Discovered 2002-Jul-13 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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