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18981 (2000 RT3)
Classification: Main-belt Asteroid          SPK-ID: 2018981
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1603702576200298 3.3594e-08  
a 2.677962747044186 1.471e-08 au
q 2.248497171403868 8.9901e-08 au
i 10.56650316714575 5.4513e-06 deg
node 21.64737343409844 2.2109e-05 deg
peri 256.854622609453 2.8184e-05 deg
M 163.5009162703997 1.8229e-05 deg
tp 2457873.519245521378
(2017-Apr-30.01924552)
8.0096e-05 TDB
period 1600.682599108374
4.38
1.3189e-05
3.611e-08
d
yr
n .2249040504348147 1.8532e-09 deg/d
Q 3.107428322684505 1.707e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1405  
   data-arc span      8402 days (23.00 yr)  
   first obs. used      1996-12-02  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48248  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:33:30  

Additional Information
 Earth MOID = 1.26075 au 
 Jupiter MOID = 2.10129 au 
 T_jup = 3.335 
[ 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 13.6   n/a MPO279713  
diameter diameter 4.405 km 0.378 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.397   0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18981 (2000 RT3)          Discovered 2000-Sep-01 by LINEAR at Socorro
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 RT3 = 1996 XO10 = 1999 JB34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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