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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2170474175509218 3.9098e-08  
a 2.154645618864291 7.4254e-09 au
q 1.686985351552389 8.7957e-08 au
i 5.159582763762225 5.3923e-06 deg
node 2.903457439493632 3.642e-05 deg
peri 287.1191961384981 3.8856e-05 deg
M 305.747170663288 1.2469e-05 deg
tp 2459174.593314617774
(2020-Nov-21.09331462)
4.0152e-05 TDB
period 1155.213359904684
3.16
5.9717e-06
1.635e-08
d
yr
n .3116307450164041 1.6109e-09 deg/d
Q 2.622305886176193 9.0371e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1161  
   data-arc span      11214 days (30.70 yr)  
   first obs. used      1989-10-03  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47555  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:34:50  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2155-Oct-02 09:08 00:04 Amphi 0.0369973269183933 0.0369833233057838 0.0370113305427268 3.92740533347034 3.92740529390663 2508431.880689259 4.29855625633948 698.601323117159 41.7924651666273 2.59811155899872 9926.8670263674 T 19 CATAB v2.0f-lin.ifort 2020-Jun-23 17:35:05 2020-Jun-23 17:35

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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