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120594 (1995 SD72)
Classification: Main-belt Asteroid          SPK-ID: 2120594
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07814352499528959 6.1604e-08  
a 2.720599346920441 2.0771e-08 au
q 2.508002123852195 1.7369e-07 au
i 2.571567500736277 7.3872e-06 deg
node 15.70108065448002 9.9071e-05 deg
peri 317.1377195398906 0.00010651 deg
M 216.0837760303426 4.2316e-05 deg
tp 2459655.743265327271
(2022-Mar-17.24326533)
0.000195 TDB
period 1639.061733356421
4.49
1.8771e-05
5.139e-08
d
yr
n .2196378529701886 2.5153e-09 deg/d
Q 2.933196569988687 2.2394e-08 au
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      8975 days (24.57 yr)  
   first obs. used      1995-09-19  
   last obs. used      2020-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59195  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:56:06  

Additional Information
 Earth MOID = 1.49837 au 
 Jupiter MOID = 2.33494 au 
 T_jup = 3.353 
[ 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 16.2   n/a MPO417628  

120594 (1995 SD72)          Discovered 1995-Sep-19 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1995 SD72 = 2004 TS142 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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