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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 ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1629595389911787 4.6813e-08  
a 2.229668763370712 7.8308e-09 au
q 1.866322969588789 1.0419e-07 au
i 7.478257698776616 5.2399e-06 deg
node 42.85866796917738 3.069e-05 deg
peri 179.2308457766289 3.304e-05 deg
M 291.0706551917174 1.3278e-05 deg
tp 2459433.341613962998
(2021-Aug-06.84161396)
4.5247e-05 TDB
period 1216.071054495316
3.33
6.4064e-06
1.754e-08
d
yr
n .2960353333542705 1.5596e-09 deg/d
Q 2.593014557152634 9.1069e-09 au
  Orbit Determination Parameters
   # obs. used (total)      823  
   data-arc span      8306 days (22.74 yr)  
   first obs. used      1998-04-22  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56685  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:26:26  

Additional Information
 Earth MOID = .856688 au 
 Jupiter MOID = 2.38063 au 
 T_jup = 3.614 
[ 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 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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