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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1766839598367014 1.7951e-08  
a 2.267321756728768 6.3178e-09 au
q 1.866722370526023 4.2417e-08 au
i 5.477092795022632 5.8286e-07 deg
node 146.4202833116693 9.7329e-06 deg
peri 235.3478009114224 1.0038e-05 deg
M 111.1704331083414 6.7457e-06 deg
tp 2459011.416458807707
(2020-Jun-10.91645881)
2.2606e-05 TDB
period 1247.004900071977
3.41
5.2121e-06
1.427e-08
d
yr
n .2886917284601054 1.2066e-09 deg/d
Q 2.667921142931512 7.4341e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2465  
   data-arc span      24479 days (67.02 yr)  
   first obs. used      1954-05-28  
   last obs. used      2021-06-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45946  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 23:04:00  

Additional Information
 Earth MOID = .874728 au 
 Jupiter MOID = 2.8006 au 
 T_jup = 3.588 
[ 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 13.75   n/a MPCxxxxx  
rotation period rot_per 9.647 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]

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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