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233590 (2007 RX81)
Classification: Main-belt Asteroid          SPK-ID: 2233590
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05123320509309839 4.7826e-08  
a 2.97310522793188 2.1179e-08 au
q 2.820783518025883 1.4636e-07 au
i 1.772040729567706 5.0677e-06 deg
node 147.2046314115026 0.00012561 deg
peri 194.1779579939574 0.00013138 deg
M 216.5950161087964 3.9883e-05 deg
tp 2459946.391386572687
(2023-Jan-01.89138657)
0.00020995 TDB
period 1872.465599730375
5.13
2.0008e-05
5.478e-08
d
yr
n .1922598738539379 2.0544e-09 deg/d
Q 3.125426937837877 2.2264e-08 au
  Orbit Determination Parameters
   # obs. used (total)      357  
   data-arc span      9532 days (26.10 yr)  
   first obs. used      1995-03-27  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60122  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:57:02  

Additional Information
 Earth MOID = 1.81019 au 
 Jupiter MOID = 2.08912 au 
 T_jup = 3.259 
[ 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 16.05   n/a E2021B55  
diameter diameter 4.320 km 1.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233590 (2007 RX81)          Discovered 2007-Sep-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

Alternate Designations
 2007 RX81 = 2002 TX93 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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