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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2384403259950651 3.5967e-08  
a 2.15522957902104 7.3485e-09 au
q 1.641335935605057 7.5927e-08 au
i 7.118559670785443 4.1756e-06 deg
node 35.63607768724759 2.5523e-05 deg
peri 327.6664536250994 2.7936e-05 deg
M 284.1774089129229 1.6673e-05 deg
tp 2459443.908004422396
(2021-Aug-17.40800442)
5.4587e-05 TDB
period 1155.683027126165
3.16
5.9107e-06
1.618e-08
d
yr
n .3115040989182055 1.5932e-09 deg/d
Q 2.669123222437024 9.1007e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1717  
   data-arc span      13409 days (36.71 yr)  
   first obs. used      1983-10-28  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47456  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:52:21  

Additional Information
 Earth MOID = .643553 au 
 Jupiter MOID = 2.79559 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 14.53   n/a E2021B10  

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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