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43755 (1983 RJ1)
Classification: Main-belt Asteroid          SPK-ID: 2043755
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2161774658521718 3.5214e-08  
a 2.441307269810455 9.5445e-09 au
q 1.913551650856346 8.5703e-08 au
i 1.450638174848316 3.4637e-06 deg
node 226.4480367357928 0.0001545 deg
peri 93.71837900333807 0.00015488 deg
M 290.3095495159655 1.5869e-05 deg
tp 2459470.213611620069
(2021-Sep-12.71361162)
6.266e-05 TDB
period 1393.25975809941
3.81
8.1706e-06
2.237e-08
d
yr
n .2583868499087978 1.5153e-09 deg/d
Q 2.969062888764563 1.1608e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1474  
   data-arc span      13414 days (36.73 yr)  
   first obs. used      1983-08-30  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53979  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:22:08  

Additional Information
 Earth MOID = .899387 au 
 Jupiter MOID = 2.35092 au 
 T_jup = 3.468 
[ 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 14.64   n/a E2021B10  
diameter diameter 3.414 km 0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.214   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43755 (1983 RJ1)          Discovered 1983-Sep-05 by Oak Ridge Observatory at Harvard
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1983 RJ1 = 2001 DD72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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