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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1559457477965813 4.3002e-08  
a 2.461577178457766 1.29e-08 au
q 2.077704684604171 1.0503e-07 au
i .754265274409229 4.8879e-06 deg
node 212.6771746688727 0.00064444 deg
peri 38.39029024514334 0.00064499 deg
M 313.5853412860003 2.8409e-05 deg
tp 2459182.374274049080
(2020-Nov-28.87427405)
0.00011186 TDB
period 1410.647852893081
3.86
1.1089e-05
3.036e-08
d
yr
n .2552018912882334 2.0062e-09 deg/d
Q 2.845449672311362 1.4912e-08 au
  Orbit Determination Parameters
   # obs. used (total)      205  
   data-arc span      8316 days (22.77 yr)  
   first obs. used      1997-04-28  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56161  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:42:37  

Additional Information
 Earth MOID = 1.06352 au 
 Jupiter MOID = 2.1886 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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