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JPL Small-Body Database Browser
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136814 (1997 HB3)
Classification: Main-belt Asteroid          SPK-ID: 2136814
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1559257002860938 5.3419e-08  
a 2.462274817916121 1.5186e-08 au
q 2.078342892635736 1.2696e-07 au
i .7542484138434387 5.074e-06 deg
node 212.6837092824682 0.00067437 deg
peri 38.26858039322208 0.00067496 deg
M 211.6506736845171 3.0514e-05 deg
tp 2459182.048968576290
(2020-Nov-28.54896858)
0.0001223 TDB
period 1411.247586269722
3.86
1.3055e-05
3.574e-08
d
yr
n .2550934389560726 2.3599e-09 deg/d
Q 2.846206743196506 1.7554e-08 au
  Orbit Determination Parameters
   # obs. used (total)      186  
   data-arc span      7901 days (21.63 yr)  
   first obs. used      1997-04-28  
   last obs. used      2018-12-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58305  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:19:56  

Additional Information
 Earth MOID = 1.06394 au 
 Jupiter MOID = 2.18756 au 
 T_jup = 3.472 
[ 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 17.1   n/a MPO417724  

136814 (1997 HB3)          Discovered 1997-Apr-30 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1997 HB3 = 2001 HN51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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