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JPL Small-Body Database Browser
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172948 (2005 JR164)
Classification: Main-belt Asteroid          SPK-ID: 2172948
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1419493302827572 8.3494e-08  
a 2.764358057258681 3.524e-08 au
q 2.371959282369067 2.2865e-07 au
i 13.03067339433202 8.1781e-06 deg
node 231.8635291994079 3.6835e-05 deg
peri 310.6710509695338 4.5886e-05 deg
M 132.8418429578686 3.3501e-05 deg
tp 2458381.027173496794
(2018-Sep-19.52717350)
0.00015032 TDB
period 1678.764857334015
4.60
3.2101e-05
8.789e-08
d
yr
n .214443373905088 4.1005e-09 deg/d
Q 3.156756832148295 4.0242e-08 au
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      7023 days (19.23 yr)  
   first obs. used      1998-11-14  
   last obs. used      2018-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .71474  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:20:53  

Additional Information
 Earth MOID = 1.39384 au 
 Jupiter MOID = 1.90578 au 
 T_jup = 3.288 
[ 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 16.0   n/a MPO493967  

172948 (2005 JR164)          Discovered 2005-May-10 by LINEAR at Socorro
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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