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100884 (1998 HB102)
Classification: Main-belt Asteroid          SPK-ID: 2100884
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1629595423809422 4.4212e-08  
a 2.229668763243757 7.478e-09 au
q 1.866322961924473 9.9032e-08 au
i 7.478257774415381 4.8972e-06 deg
node 42.85866803541398 3.0401e-05 deg
peri 179.2308460949504 3.2679e-05 deg
M 291.0706544982197 1.2741e-05 deg
tp 2459433.341616285730
(2021-Aug-06.84161629)
4.3342e-05 TDB
period 1216.071054391453
3.33
6.1178e-06
1.675e-08
d
yr
n .2960353333795544 1.4893e-09 deg/d
Q 2.593014564563041 8.6966e-09 au
  Orbit Determination Parameters
   # obs. used (total)      925  
   data-arc span      8355 days (22.87 yr)  
   first obs. used      1998-04-22  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54091  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:12  

Additional Information
 Earth MOID = .856688 au 
 Jupiter MOID = 2.38063 au 
 T_jup = 3.614 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457381.5 (2015-Dec-25.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1630664893441222 4.4232e-08  
q 1.865980046342096 9.9091e-08 au
tp 2457001.821924320153
(2014-Dec-10.32192432)
4.17e-05 TDB
node 42.87038321403117 3.0393e-05 deg
peri 179.295225445864 3.2666e-05 deg
i 7.479783025946849 4.8977e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      925  
   data-arc span      8355 days (22.87 yr)  
   first obs. used      1998-04-22  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54091  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:12  

Additional Information
 Jupiter MOID = 2.38063 au 
 T_jup = 3.614 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.956452603980656E-15 -4.374274898127662E-15 -5.264078581099063E-14 4.953485339724887E-15 1.292214608828396E-14 -2.47199642416806E-15
q -4.374274898127662E-15 9.819093439374362E-15 1.137531704143794E-13 -1.114224112736929E-14 -2.727279109617249E-14 5.601462814742098E-15
tp -5.264078581099063E-14 1.137531704143794E-13 1.738888757402777E-9 -2.150975985832737E-12 5.101285351324464E-10 2.241182462150078E-12
node 4.953485339724887E-15 -1.114224112736929E-14 -2.150975985832737E-12 9.237382612694151E-10 -9.157950039429732E-10 2.764026762456229E-12
peri 1.292214608828396E-14 -2.727279109617249E-14 5.101285351324464E-10 -9.157950039429732E-10 1.067065345656354E-9 -2.067240535413326E-12
i -2.47199642416806E-15 5.601462814742098E-15 2.241182462150078E-12 2.764026762456229E-12 -2.067240535413326E-12 2.398721840330555E-11

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 15.8   n/a MPO449611  

100884 (1998 HB102)          Discovered 1998-Apr-25 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 HB102 = 2001 DY5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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