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173157 (1996 RX12)
Classification: Main-belt Asteroid          SPK-ID: 2173157
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1828858147462068 6.6792e-08  
a 2.248622309943987 1.2792e-08 au
q 1.837381186733383 1.4934e-07 au
i .8152041892428182 7.3811e-06 deg
node 164.7394270411103 0.00028363 deg
peri 350.9035230736346 0.00028415 deg
M 209.1137183266354 1.4498e-05 deg
tp 2459516.702918024540
(2021-Oct-29.20291802)
5.1049e-05 TDB
period 1231.609980893569
3.37
1.051e-05
2.877e-08
d
yr
n .2923003268768652 2.4944e-09 deg/d
Q 2.659863433154591 1.5132e-08 au
  Orbit Determination Parameters
   # obs. used (total)      345  
   data-arc span      7826 days (21.43 yr)  
   first obs. used      1996-09-08  
   last obs. used      2018-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59551  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:34:38  

Additional Information
 Earth MOID = .847165 au 
 Jupiter MOID = 2.32964 au 
 T_jup = 3.606 
[ 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 17.1   n/a MPO436860  

173157 (1996 RX12)          Discovered 1996-Sep-08 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 1996 RX12 = 2000 WH127 = 2005 GV53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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