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JPL Small-Body Database Browser
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172164 (2002 NR52)
Classification: Main-belt Asteroid          SPK-ID: 2172164
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07168405930244034 6.5565e-08  
a 2.564304289151768 1.7893e-08 au
q 2.38048454841871 1.6802e-07 au
i 4.793023920680479 3.9845e-06 deg
node 119.24786948224 7.9243e-05 deg
peri 262.4512736046062 8.6123e-05 deg
M 58.52474323471403 3.1287e-05 deg
tp 2458756.668516332962
(2019-Sep-30.16851633)
0.00013105 TDB
period 1499.867052266999
4.11
1.5698e-05
4.298e-08
d
yr
n .2400212735227913 2.5121e-09 deg/d
Q 2.748124029884826 1.9175e-08 au
  Orbit Determination Parameters
   # obs. used (total)      489  
   data-arc span      7778 days (21.30 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52592  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 12:59:13  

Additional Information
 Earth MOID = 1.38863 au 
 Jupiter MOID = 2.57151 au 
 T_jup = 3.425 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO454180  

172164 (2002 NR52)          Discovered 2002-Jul-14 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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