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34790 (2001 SA4)
Classification: Main-belt Asteroid          SPK-ID: 2034790
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .106267067918365 4.4074e-08  
a 2.983960156368615 2.076e-08 au
q 2.666863459766097 1.4226e-07 au
i 10.96590969197788 4.2447e-06 deg
node 101.6175335133968 2.6382e-05 deg
peri 230.4370694034818 3.5638e-05 deg
M 281.7069768673958 2.4616e-05 deg
tp 2459409.957206111318
(2021-Jul-14.45720611)
0.00012924 TDB
period 1882.729626500906
5.15
1.9647e-05
5.379e-08
d
yr
n .1912117358396637 1.9954e-09 deg/d
Q 3.301056852971134 2.2966e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1365  
   data-arc span      8175 days (22.38 yr)  
   first obs. used      1998-01-28  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49538  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:25:38  

Additional Information
 Earth MOID = 1.67067 au 
 Jupiter MOID = 2.0219 au 
 T_jup = 3.222 
[ 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 13.7   n/a MPO385035  

34790 (2001 SA4)          Discovered 2001-Sep-16 by JPL/GEODSS NEAT at Palomar
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 SA4 = 1999 JV87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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