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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456832.5 (2014-Jun-24.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1772513928176237 3.4326e-08  
q 1.865608515527476 7.9498e-08 au
tp 2456518.046539864963
(2013-Aug-13.54653986)
3.6434e-05 TDB
node 146.5047174965877 3.644e-05 deg
peri 235.3067228460956 3.7799e-05 deg
i 5.474510328503705 3.771e-06 deg
  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
 Jupiter MOID = 2.79962 au 
 T_jup = 3.589 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.178303712702739E-15 -2.721364448268225E-15 -2.296282118107118E-13 3.172064989401943E-15 -6.540003575893641E-14 -1.637638031338434E-17
q -2.721364448268225E-15 6.319933033329017E-15 5.730701619186829E-13 -7.765789014055165E-15 1.643738633572882E-13 8.877582511897279E-17
tp -2.296282118107118E-13 5.730701619186829E-13 1.327413830115581E-9 -2.940411897249756E-12 3.768161796323782E-10 -5.410413324906937E-14
node 3.172064989401943E-15 -7.765789014055165E-15 -2.940411897249756E-12 1.327850954238185E-9 -1.322193205385828E-9 1.714081175324372E-11
peri -6.540003575893641E-14 1.643738633572882E-13 3.768161796323782E-10 -1.322193205385828E-9 1.428772033512669E-9 -1.708301362637445E-11
i -1.637638031338434E-17 8.877582511897279E-17 -5.410413324906937E-14 1.714081175324372E-11 -1.708301362637445E-11 1.422051076180328E-11

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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