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65985 (1998 HX146)
Classification: Main-belt Asteroid          SPK-ID: 2065985
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1441485283527041 4.0766e-08  
a 2.701661366604709 1.3547e-08 au
q 2.312220856501285 1.111e-07 au
i 11.82167363590047 4.6046e-06 deg
node 104.9193387777397 2.1947e-05 deg
peri 105.2925644363491 2.7633e-05 deg
M 354.7195289366894 1.5601e-05 deg
tp 2459024.291124072279
(2020-Jun-23.79112407)
7.0308e-05 TDB
period 1621.977388632983
4.44
1.22e-05
3.34e-08
d
yr
n .2219513061790653 1.6694e-09 deg/d
Q 3.091101876708133 1.55e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1103  
   data-arc span      8122 days (22.24 yr)  
   first obs. used      1998-04-23  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54313  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:19:59  

Additional Information
 Earth MOID = 1.33926 au 
 Jupiter MOID = 1.99875 au 
 T_jup = 3.322 
[ 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 14.7   n/a MPO385236  

65985 (1998 HX146)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HX146 = 2002 BY7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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