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4278 Harvey (1982 SF)
Classification: Main-belt Asteroid          SPK-ID: 2004278
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1764717317980799 3.5649e-08  
a 2.2667599936432 7.7116e-09 au
q 1.86674093199438 8.286e-08 au
i 5.476846885178837 3.8513e-06 deg
node 146.4236412138826 3.6504e-05 deg
peri 235.2972184929529 3.7945e-05 deg
M 356.8888923770455 1.2531e-05 deg
tp 2459011.272568634256
(2020-Jun-10.77256863)
4.342e-05 TDB
period 1246.541482434844
3.41
6.3612e-06
1.742e-08
d
yr
n .2887990532788523 1.4738e-09 deg/d
Q 2.66677905529202 9.0725e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2042  
   data-arc span      23863 days (65.33 yr)  
   first obs. used      1954-05-28  
   last obs. used      2019-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48856  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:34:47  

Additional Information
 Earth MOID = .875484 au 
 Jupiter MOID = 2.79962 au 
 T_jup = 3.589 
[ 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 13.7   n/a MPO337287  

4278 Harvey (1982 SF)          Discovered 1982-Sep-22 by Bowell, E. at Flagstaff
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1982 SF = 1977 EQ2 = 1987 BQ1 = 1987 BU3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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