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37980 (1998 HH126)
Classification: Main-belt Asteroid          SPK-ID: 2037980
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1421272951747679 3.5512e-08  
a 2.553434695822228 1.1509e-08 au
q 2.190521929099609 8.8246e-08 au
i 13.8957416189176 5.3229e-06 deg
node 133.4699225826868 1.4542e-05 deg
peri 139.4577485091251 2.4787e-05 deg
M 110.7582880466068 1.935e-05 deg
tp 2458541.978934076011
(2019-Feb-27.47893408)
7.986e-05 TDB
period 1490.340692726997
4.08
1.0076e-05
2.759e-08
d
yr
n .2415555059033374 1.6332e-09 deg/d
Q 2.916347462544848 1.3145e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1148  
   data-arc span      7874 days (21.56 yr)  
   first obs. used      1998-04-23  
   last obs. used      2019-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54754  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 02:24:38  

Additional Information
 Earth MOID = 1.19227 au 
 Jupiter MOID = 2.30743 au 
 T_jup = 3.384 
[ 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 MPO449232  
diameter diameter 3.174 km 0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.366   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37980 (1998 HH126)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HH126 = 1999 SN20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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