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120458 (1990 SN5)
Classification: Main-belt Asteroid          SPK-ID: 2120458
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .263540785451612 3.4146e-08  
a 2.33629189320656 1.1025e-08 au
q 1.72058369262667 7.9292e-08 au
i 2.340310409791263 3.6931e-06 deg
node 65.15176742309707 0.00010614 deg
peri 246.2893983785289 0.00010648 deg
M 197.8795768078905 1.0277e-05 deg
tp 2459787.886969328275
(2022-Jul-27.38696933)
3.9642e-05 TDB
period 1304.334795052958
3.57
9.2332e-06
2.528e-08
d
yr
n .2760027573943418 1.9538e-09 deg/d
Q 2.952000093786451 1.3931e-08 au
  Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      11130 days (30.47 yr)  
   first obs. used      1990-09-15  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57426  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:06:32  

Additional Information
 Earth MOID = .706005 au 
 Jupiter MOID = 2.33758 au 
 T_jup = 3.519 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO296895  

120458 (1990 SN5)          Discovered 1990-Sep-22 by Elst, E. W. at La Silla
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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