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JPL Small-Body Database Browser
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100879 (1998 HC91)
Classification: Main-belt Asteroid          SPK-ID: 2100879
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1967553362814302 3.6445e-08  
a 2.336002387466517 1.0749e-08 au
q 1.876381452166318 8.4733e-08 au
i 3.75663698660834 4.2531e-06 deg
node 120.1260487987446 6.2147e-05 deg
peri 98.47703646134023 6.3085e-05 deg
M 65.38928650538679 1.1724e-05 deg
tp 2458763.628697497155
(2019-Oct-07.12869750)
4.1733e-05 TDB
period 1304.092359135916
3.57
9.0011e-06
2.464e-08
d
yr
n .276054067396372 1.9054e-09 deg/d
Q 2.795623322766715 1.2864e-08 au
  Orbit Determination Parameters
   # obs. used (total)      431  
   data-arc span      10187 days (27.89 yr)  
   first obs. used      1991-06-06  
   last obs. used      2019-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60459  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:12:52  

Additional Information
 Earth MOID = .873265 au 
 Jupiter MOID = 2.18227 au 
 T_jup = 3.539 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO426633  

100879 (1998 HC91)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 HC91 = 1991 LU5 = 2000 YK14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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