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JPL Small-Body Database Browser
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46780 (1998 HH52)
Classification: Mars-crossing Asteroid          SPK-ID: 2046780
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2382090718103838 3.6415e-08  
a 2.155347941085135 7.6546e-09 au
q 1.641924508610823 7.6777e-08 au
i 7.118462468956437 4.4105e-06 deg
node 35.64502713337296 3.0694e-05 deg
peri 327.7370235732091 3.2934e-05 deg
M 97.1556343543198 1.6145e-05 deg
tp 2458288.582313298047
(2018-Jun-19.08231330)
5.0501e-05 TDB
period 1155.778231071889
3.16
6.157e-06
1.686e-08
d
yr
n .3114784396537126 1.6593e-09 deg/d
Q 2.668771373559446 9.478e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1445  
   data-arc span      12969 days (35.51 yr)  
   first obs. used      1983-10-28  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48017  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:39:14  

Additional Information
 Earth MOID = .644834 au 
 Jupiter MOID = 2.79148 au 
 T_jup = 3.655 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO412497  

46780 (1998 HH52)          Discovered 1998-Apr-30 by LONEOS at Anderson Mesa
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HH52 = 1983 VF7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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