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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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .176471747746618 3.4258e-08  
a 2.266759998276559 7.3563e-09 au
q 1.866740899658574 7.9232e-08 au
i 5.476848109841881 3.772e-06 deg
node 146.4236278771638 3.6413e-05 deg
peri 235.2972458048911 3.7797e-05 deg
M 356.8888791353332 1.1968e-05 deg
tp 2459011.272614518240
(2020-Jun-10.77261452)
4.1469e-05 TDB
period 1246.541486256824
3.41
6.0681e-06
1.661e-08
d
yr
n .2887990523933749 1.4058e-09 deg/d
Q 2.666779096894544 8.6544e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2160  
   data-arc span      24263 days (66.43 yr)  
   first obs. used      1954-05-28  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4802  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:52:56  

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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