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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2384236383481455 3.6088e-08  
a 2.154944022789508 7.5333e-09 au
q 1.641154428439445 7.6156e-08 au
i 7.119035551765996 4.2082e-06 deg
node 35.63858406431019 2.6464e-05 deg
peri 327.70222113 2.8835e-05 deg
M 221.82057973739 1.6591e-05 deg
tp 2459443.999650939682
(2021-Aug-17.49965094)
5.5228e-05 TDB
period 1155.453352133422
3.16
6.0589e-06
1.659e-08
d
yr
n .3115660180787898 1.6338e-09 deg/d
Q 2.668733617139572 9.3294e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1595  
   data-arc span      13329 days (36.49 yr)  
   first obs. used      1983-10-28  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47734  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:35:18  

Additional Information
 Earth MOID = .644905 au 
 Jupiter MOID = 2.795 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 14.5   n/a MPO493183  

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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