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3837 Carr (1981 JU2)
Classification: Main-belt Asteroid          SPK-ID: 2003837
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07026100948491842 3.2282e-08  
a 2.426084346675747 9.1111e-09 au
q 2.25562521138275 7.918e-08 au
i 4.824543933383241 4.0298e-06 deg
node 233.6808158579993 4.1412e-05 deg
peri 41.33347390519663 5.0593e-05 deg
M 337.340998150535 2.9301e-05 deg
tp 2458687.375145420048
(2019-Jul-22.87514542)
0.00011235 TDB
period 1380.248457500157
3.78
7.7752e-06
2.129e-08
d
yr
n .2608226062806225 1.4693e-09 deg/d
Q 2.596543481968744 9.7513e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2044  
   data-arc span      20981 days (57.44 yr)  
   first obs. used      1962-05-05  
   last obs. used      2019-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4616  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:30:01  

Additional Information
 Earth MOID = 1.24156 au 
 Jupiter MOID = 2.46136 au 
 T_jup = 3.502 
[ 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 12.9   n/a MPO384787  
diameter diameter 6.821 km 0.146 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.239   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3837 Carr (1981 JU2)          Discovered 1981-May-06 by Shoemaker, C. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1981 JU2 = 1962 JH = 1979 YO7 = 1986 VS 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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