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43344 (2000 RR85)
Classification: Main-belt Asteroid          SPK-ID: 2043344
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07313747168793412 3.9429e-08  
a 2.392880206258931 8.5296e-09 au
q 2.217870997921051 9.4924e-08 au
i 5.728467972735889 3.6998e-06 deg
node 314.0324437727056 3.7272e-05 deg
peri 213.0835729380476 4.3721e-05 deg
M 348.7273034276724 2.2411e-05 deg
tp 2459242.835547364838
(2021-Jan-28.33554736)
8.419e-05 TDB
period 1352.009872132563
3.70
7.229e-06
1.979e-08
d
yr
n .2662702450775466 1.4237e-09 deg/d
Q 2.567889414596812 9.1534e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1252  
   data-arc span      8989 days (24.61 yr)  
   first obs. used      1996-08-12  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5117  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:25:28  

Additional Information
 Earth MOID = 1.22736 au 
 Jupiter MOID = 2.41876 au 
 T_jup = 3.520 
[ 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 15.29   n/a MPCxxxxx  
diameter diameter 1.985 km 0.181 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.319   0.179 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43344 (2000 RR85)          Discovered 2000-Sep-02 by LONEOS at Anderson Mesa
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 RR85 = 2001 YT78 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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