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100855 (1998 HH37)
Classification: Main-belt Asteroid          SPK-ID: 2100855
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1489563878208105 4.3853e-08  
a 2.396045537615269 9.7153e-09 au
q 2.039139249277927 1.0877e-07 au
i 1.288375132965011 4.3903e-06 deg
node 295.4536639954916 0.00018935 deg
peri 266.3484258114484 0.00018994 deg
M 41.04170855858091 1.4809e-05 deg
tp 2459046.058518238791
(2020-Jul-15.55851824)
5.5541e-05 TDB
period 1354.693442030465
3.71
8.2393e-06
2.256e-08
d
yr
n .2657427790160544 1.6163e-09 deg/d
Q 2.752951825952612 1.1162e-08 au
  Orbit Determination Parameters
   # obs. used (total)      786  
   data-arc span      9596 days (26.27 yr)  
   first obs. used      1994-02-11  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51746  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:04  

Additional Information
 Earth MOID = 1.03573 au 
 Jupiter MOID = 2.20875 au 
 T_jup = 3.513 
[ 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 16.08   n/a E2021B55  

100855 (1998 HH37)          Discovered 1998-Apr-20 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 HH37 = 2002 LC23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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