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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457292.5 (2015-Sep-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07667327365779066 6.1291e-08  
q 2.514340548105496 1.7248e-07 au
tp 2458014.126927257873
(2017-Sep-17.62692726)
0.00019392 TDB
node 15.72682920971664 9.9058e-05 deg
peri 316.5244760521295 0.00010683 deg
i 2.571722634985532 7.3842e-06 deg
  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
 Jupiter MOID = 2.33494 au 
 T_jup = 3.353 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.756551211273984E-15 -1.051021029137369E-14 4.87376910194766E-12 1.204510947225409E-14 1.05091020176532E-12 2.044211825444534E-15
q -1.051021029137369E-14 2.974891835337116E-14 -1.234414961954377E-11 -3.295008079198471E-14 -2.708287908961369E-12 -5.802975581378075E-15
tp 4.87376910194766E-12 -1.234414961954377E-11 3.760669563741138E-8 3.43366291320017E-11 7.761635290648837E-9 1.477283841117281E-12
node 1.204510947225409E-14 -3.295008079198471E-14 3.43366291320017E-11 9.812585539403432E-9 -9.79507784767798E-9 -1.809962778516452E-10
peri 1.05091020176532E-12 -2.708287908961369E-12 7.761635290648837E-9 -9.79507784767798E-9 1.141216962315105E-8 1.811567392228787E-10
i 2.044211825444534E-15 -5.802975581378075E-15 1.477283841117281E-12 -1.809962778516452E-10 1.811567392228787E-10 5.452580497428243E-11

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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