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JPL Small-Body Database Browser
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58840 (1998 HT53)
Classification: Main-belt Asteroid          SPK-ID: 2058840
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06508725579213717 3.6985e-08  
a 2.365607146836771 1.1941e-08 au
q 2.211636269366898 8.8187e-08 au
i 6.617670805032266 5.5106e-06 deg
node 49.79433618288883 4.1808e-05 deg
peri 66.5370728611517 7.4773e-05 deg
M 359.1291128156849 5.828e-05 deg
tp 2458603.714931775578
(2019-Apr-30.21493178)
0.00021514 TDB
period 1328.961385645297
3.64
1.0063e-05
2.755e-08
d
yr
n .2708882318843271 2.0511e-09 deg/d
Q 2.519578024306643 1.2719e-08 au
  Orbit Determination Parameters
   # obs. used (total)      869  
   data-arc span      8125 days (22.25 yr)  
   first obs. used      1996-11-07  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56338  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:36:28  

Additional Information
 Earth MOID = 1.23805 au 
 Jupiter MOID = 2.53712 au 
 T_jup = 3.536 
[ 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 15.4   n/a MPO468489  

58840 (1998 HT53)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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