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JPL Small-Body Database Browser
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46782 (1998 HJ98)
Classification: Main-belt Asteroid          SPK-ID: 2046782
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09388684394173535 2.809e-08  
a 2.198945772218283 7.1306e-09 au
q 1.992493693665687 6.1052e-08 au
i 3.423653808781809 4.595e-06 deg
node 357.2107531519631 5.051e-05 deg
peri 270.3715695416233 5.7119e-05 deg
M 118.3729049315914 2.6789e-05 deg
tp 2458208.875358063474
(2018-Mar-31.37535806)
8.8697e-05 TDB
period 1191.023158370791
3.26
5.7932e-06
1.586e-08
d
yr
n .3022611252097285 1.4702e-09 deg/d
Q 2.40539785077088 7.8e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1239  
   data-arc span      7504 days (20.54 yr)  
   first obs. used      1998-04-21  
   last obs. used      2018-11-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53405  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:39:15  

Additional Information
 Earth MOID = .979742 au 
 Jupiter MOID = 2.65471 au 
 T_jup = 3.658 
[ 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 15.3   n/a MPO449297  

46782 (1998 HJ98)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HJ98 = 1999 XO230 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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