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JPL Small-Body Database Browser
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37975 (1998 HB118)
Classification: Main-belt Asteroid          SPK-ID: 2037975
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1307343305684128 4.2941e-08  
a 2.723105591392367 1.9443e-08 au
q 2.367102204834584 1.1941e-07 au
i 10.29492832681699 4.3825e-06 deg
node 120.1066318328488 2.6065e-05 deg
peri 197.8999506967811 3.129e-05 deg
M 240.6136753904528 1.7636e-05 deg
tp 2459544.811150695022
(2021-Nov-26.31115070)
8.0158e-05 TDB
period 1641.3271360105
4.49
1.7578e-05
4.813e-08
d
yr
n .2193347030592791 2.3491e-09 deg/d
Q 3.079108977950149 2.1985e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1002  
   data-arc span      7956 days (21.78 yr)  
   first obs. used      1998-04-23  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52011  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:41:39  

Additional Information
 Earth MOID = 1.35557 au 
 Jupiter MOID = 2.20306 au 
 T_jup = 3.322 
[ 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 14.6   n/a MPO337567  

37975 (1998 HB118)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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