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58831 (1998 HN30)
Classification: Main-belt Asteroid          SPK-ID: 2058831
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01932411655697426 3.353e-08  
a 2.715253591066935 1.2905e-08 au
q 2.662783714191415 9.178e-08 au
i 3.109935548660036 3.8857e-06 deg
node 101.932232352775 8.6028e-05 deg
peri 139.0255577546814 0.00015399 deg
M 297.9519331950378 0.0001281 deg
tp 2459282.169469749772
(2021-Mar-08.66946975)
0.00058149 TDB
period 1634.233173269607
4.47
1.1651e-05
3.19e-08
d
yr
n .2202868023292837 1.5705e-09 deg/d
Q 2.767723467942455 1.3154e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1194  
   data-arc span      17926 days (49.08 yr)  
   first obs. used      1971-03-25  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55302  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:40:13  

Additional Information
 Earth MOID = 1.65004 au 
 Jupiter MOID = 2.20494 au 
 T_jup = 3.359 
[ 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 14.9   n/a MPO365931  

58831 (1998 HN30)          Discovered 1998-Apr-20 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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