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120589 (1995 SP34)
Classification: Main-belt Asteroid          SPK-ID: 2120589
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 .03343018728638569 4.3921e-08  
a 2.867120351772518 2.0885e-08 au
q 2.771271981440155 1.303e-07 au
i 2.390021377938005 5.6965e-06 deg
node 159.3759332594751 9.8125e-05 deg
peri 290.6476126564518 0.0001305 deg
M 299.355633623682 8.8485e-05 deg
tp 2459299.213791437751
(2021-Mar-25.71379144)
0.00043693 TDB
period 1773.239153828216
4.85
1.9375e-05
5.305e-08
d
yr
n .2030183008438552 2.2183e-09 deg/d
Q 2.962968722104881 2.1583e-08 au
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      8750 days (23.96 yr)  
   first obs. used      1995-09-22  
   last obs. used      2019-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5416  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:18:43  

Additional Information
 Earth MOID = 1.78896 au 
 Jupiter MOID = 2.09214 au 
 T_jup = 3.297 
[ 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 16.3   n/a MPO449701  

120589 (1995 SP34)          Discovered 1995-Sep-22 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1995 SP34 = 2005 SR156 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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