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13237 (1998 HC98)
Classification: Main-belt Asteroid          SPK-ID: 2013237
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2170474172745441 3.9095e-08  
a 2.154645618750422 7.4237e-09 au
q 1.686985352058731 8.7951e-08 au
i 5.15958267704736 5.3875e-06 deg
node 2.903457841097637 3.6406e-05 deg
peri 287.119195736062 3.8845e-05 deg
M 305.7471707550371 1.2468e-05 deg
tp 2459174.593314309557
(2020-Nov-21.09331431)
4.0147e-05 TDB
period 1155.213359813108
3.16
5.9703e-06
1.635e-08
d
yr
n .3116307450411077 1.6106e-09 deg/d
Q 2.622305885442113 9.035e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1169  
   data-arc span      11222 days (30.72 yr)  
   first obs. used      1989-10-03  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47549  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:47:42  

Additional Information
 Earth MOID = .680092 au 
 Jupiter MOID = 2.57942 au 
 T_jup = 3.666 
[ 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 15.5   n/a MPO467825  
diameter diameter 4.488 km 0.175 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13237 (1998 HC98)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HC98 = 1989 TR15 = 1992 PO5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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