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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1268203851650685 3.8872e-08  
a 2.452311196523683 9.3571e-09 au
q 2.141308146035939 9.6388e-08 au
i 4.358365564742794 3.9318e-06 deg
node 248.8769657321887 5.6709e-05 deg
peri 69.19035989920859 5.9431e-05 deg
M 235.8401648928002 2.0926e-05 deg
tp 2459084.271661708054
(2020-Aug-22.77166171)
8.2937e-05 TDB
period 1402.690314984159
3.84
8.0282e-06
2.198e-08
d
yr
n .25664966539964 1.4689e-09 deg/d
Q 2.763314247011426 1.0544e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2273  
   data-arc span      24228 days (66.33 yr)  
   first obs. used      1953-01-09  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45303  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 23:59:55  

Additional Information
 Earth MOID = 1.1318 au 
 Jupiter MOID = 2.49805 au 
 T_jup = 3.480 
[ 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 12.5   n/a MPO435735  
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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