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3819 Robinson (1983 AR)
Classification: Main-belt Asteroid          SPK-ID: 2003819
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1388401798898094 3.9123e-08  
a 2.771976606736525 1.1998e-08 au
q 2.387114876006883 1.07e-07 au
i 11.11112101616105 3.6926e-06 deg
node 46.201689632293 2.2402e-05 deg
peri 352.4095993356422 2.7277e-05 deg
M 93.64313415321912 1.5463e-05 deg
tp 2458562.013519042165
(2019-Mar-19.51351904)
7.2064e-05 TDB
period 1685.709631274597
4.62
1.0945e-05
2.997e-08
d
yr
n .2135599116959409 1.3866e-09 deg/d
Q 3.156838337466167 1.3664e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3302  
   data-arc span      25304 days (69.28 yr)  
   first obs. used      1951-03-09  
   last obs. used      2020-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35508  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:01:56  

Additional Information
 Earth MOID = 1.39562 au 
 Jupiter MOID = 2.26076 au 
 T_jup = 3.296 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.0   n/a MPO365292  
diameter diameter 10.307 km 0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.358   0.298 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B Sr   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

3819 Robinson (1983 AR)          Discovered 1983-Jan-12 by Skiff, B. A. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1983 AR = 1951 EB1 = 1972 TW = 1986 VF1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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