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120834 (1998 HG146)
Classification: Main-belt Asteroid          SPK-ID: 2120834
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2013865126199396 6.0912e-08  
a 2.571694535784204 1.5015e-08 au
q 2.053789941698868 1.5328e-07 au
i 4.521546369084286 5.5759e-06 deg
node 82.70443429858652 8.4724e-05 deg
peri 173.1954679585062 8.6519e-05 deg
M 102.3916386995465 1.8625e-05 deg
tp 2458572.060510805816
(2019-Mar-29.56051081)
7.7119e-05 TDB
period 1506.3555781395
4.12
1.3192e-05
3.612e-08
d
yr
n .2389873979453352 2.093e-09 deg/d
Q 3.089599129869539 1.8039e-08 au
  Orbit Determination Parameters
   # obs. used (total)      314  
   data-arc span      8744 days (23.94 yr)  
   first obs. used      1995-10-21  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65038  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 14:15:24  

Additional Information
 Earth MOID = 1.03897 au 
 Jupiter MOID = 1.96769 au 
 T_jup = 3.396 
[ 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 16.4   n/a MPO436583  

120834 (1998 HG146)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1998 HG146 = 1995 UO64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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