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3802 Dornburg (1986 PJ4)
Classification: Main-belt Asteroid          SPK-ID: 2003802
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1645161674847061 2.5661e-08  
a 2.284261398218718 6.7129e-09 au
q 1.908463467450519 6.0466e-08 au
i 4.438651098129833 3.0709e-06 deg
node 139.138061013426 4.1463e-05 deg
peri 146.6242532564643 4.2962e-05 deg
M 311.1184502580006 1.084e-05 deg
tp 2459171.722010968767
(2020-Nov-18.22201097)
3.7958e-05 TDB
period 1261.00592706443
3.45
5.5587e-06
1.522e-08
d
yr
n .2854863662996931 1.2585e-09 deg/d
Q 2.660059328986917 7.8173e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2469  
   data-arc span      16502 days (45.18 yr)  
   first obs. used      1975-04-15  
   last obs. used      2020-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4691  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:01:56  

Additional Information
 Earth MOID = .893971 au 
 Jupiter MOID = 2.49552 au 
 T_jup = 3.581 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9   n/a MPO365292  
diameter diameter 3.880 km 0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.389   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3802 Dornburg (1986 PJ4)          Discovered 1986-Aug-07 by Borngen, F. at Tautenburg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1986 PJ4 = 1975 GJ = 1978 EH1 = 1979 OY13 = 1986 RK4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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