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46779 (1998 HY51)
Classification: Main-belt Asteroid          SPK-ID: 2046779
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 .2411894172126157 3.2748e-08  
a 2.355261489154591 7.8323e-09 au
q 1.787197343202078 7.7908e-08 au
i 5.11143576730105 3.8204e-06 deg
node 57.42715505969704 4.559e-05 deg
peri 225.5963486984356 4.6566e-05 deg
M 357.1274487442922 8.1001e-06 deg
tp 2459011.034705741148
(2020-Jun-10.53470574)
2.9694e-05 TDB
period 1320.252879483956
3.61
6.5856e-06
1.803e-08
d
yr
n .2726750349074886 1.3601e-09 deg/d
Q 2.923325635107104 9.7213e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1015  
   data-arc span      15635 days (42.81 yr)  
   first obs. used      1977-10-16  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5176  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 04:23:54  

Additional Information
 Earth MOID = .775371 au 
 Jupiter MOID = 2.24433 au 
 T_jup = 3.510 
[ 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 15.6   n/a MPO432025  

46779 (1998 HY51)          Discovered 1998-Apr-30 by LONEOS at Anderson Mesa
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HY51 = 1999 XX137 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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