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JPL Small-Body Database Browser
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65970 (1998 HB22)
Classification: Main-belt Asteroid          SPK-ID: 2065970
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1638213046898205 5.0827e-08  
a 2.222834021248053 8.5588e-09 au
q 1.858686451778277 1.1246e-07 au
i 6.630112070405181 5.4008e-06 deg
node 213.2524771529658 3.2853e-05 deg
peri 10.8800961975153 3.4759e-05 deg
M 225.365159090117 1.1349e-05 deg
tp 2459453.203591947549
(2021-Aug-26.70359195)
3.8913e-05 TDB
period 1210.483794534306
3.31
6.9913e-06
1.914e-08
d
yr
n .2974017509573504 1.7177e-09 deg/d
Q 2.58698159071783 9.9609e-09 au
  Orbit Determination Parameters
   # obs. used (total)      594  
   data-arc span      7901 days (21.63 yr)  
   first obs. used      1998-03-29  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55083  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:57:44  

Additional Information
 Earth MOID = .850452 au 
 Jupiter MOID = 2.39134 au 
 T_jup = 3.622 
[ 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 16.1   n/a MPO436241  

65970 (1998 HB22)          Discovered 1998-Apr-20 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HB22 = 2001 BN50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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