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3869 Norton (1981 JE)
Classification: Main-belt Asteroid          SPK-ID: 2003869
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1268692353621946 3.708e-08  
a 2.45372635973802 6.8076e-09 au
q 2.142423972689996 9.2395e-08 au
i 4.356992552407835 3.4808e-06 deg
node 248.8719048135291 5.0861e-05 deg
peri 68.88644942087546 5.2455e-05 deg
M 338.7531398068184 1.2775e-05 deg
tp 2459083.357128628657
(2020-Aug-21.85712863)
4.9822e-05 TDB
period 1403.904672742613
3.84
5.8425e-06
1.6e-08
d
yr
n .2564276670557112 1.0672e-09 deg/d
Q 2.765028746786044 7.6713e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2696  
   data-arc span      24681 days (67.57 yr)  
   first obs. used      1953-01-09  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43879  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:08:36  

Additional Information
 Earth MOID = 1.13369 au 
 Jupiter MOID = 2.49668 au 
 T_jup = 3.479 
[ 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 12.6   n/a MPO473819  
diameter diameter 8.428 km 0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.162   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3869 Norton (1981 JE)          Discovered 1981-May-03 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1981 JE = 1955 SX2 = 1974 QK = 1978 TC1 = 1988 BP4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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