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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2168403735846452 4.0222e-08  
a 2.155043201630719 8.9951e-09 au
q 1.687742828698064 8.9501e-08 au
i 5.158844749912371 5.5811e-06 deg
node 2.910384800155503 4.8504e-05 deg
peri 287.0665210009112 5.0514e-05 deg
M 181.1510734483828 1.2453e-05 deg
tp 2459174.571828415140
(2020-Nov-21.07182842)
4.0295e-05 TDB
period 1155.533120685546
3.16
7.2348e-06
1.981e-08
d
yr
n .3115445101101229 1.9506e-09 deg/d
Q 2.622343574563374 1.0946e-08 au
  Orbit Determination Parameters
   # obs. used (total)      903  
   data-arc span      10705 days (29.31 yr)  
   first obs. used      1989-10-03  
   last obs. used      2019-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50965  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:21:15  

Additional Information
 Earth MOID = .680195 au 
 Jupiter MOID = 2.57769 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 15.4   n/a MPO299058  
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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