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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06980546976352831 3.2359e-08  
a 2.424780102398704 9.1144e-09 au
q 2.255517188277507 7.9213e-08 au
i 4.823823896031477 4.029e-06 deg
node 233.6652357996512 4.1436e-05 deg
peri 40.96735586336757 5.0687e-05 deg
M 82.07255333419945 2.9434e-05 deg
tp 2458686.085612997785
(2019-Jul-21.58561300)
0.00011271 TDB
period 1379.135590675375
3.78
7.776e-06
2.129e-08
d
yr
n .2610330720445732 1.4718e-09 deg/d
Q 2.594043016519902 9.7506e-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 = 1.24192 au 
 Jupiter MOID = 2.46245 au 
 T_jup = 3.503 
[ 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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