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19800 (2000 RX51)
Classification: Outer Main-belt Asteroid          SPK-ID: 2019800
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1555840791122494 3.1765e-08  
a 3.216746352144932 1.5777e-08 au
q 2.716271833208776 1.0148e-07 au
i .6048953225797579 4.2719e-06 deg
node 6.470770959351982 0.00033429 deg
peri 85.00068357666343 0.0003346 deg
M 164.3962179136752 1.4276e-05 deg
tp 2458238.194487170041
(2018-Apr-29.69448717)
8.0896e-05 TDB
period 2107.286828220685
5.77
1.5503e-05
4.244e-08
d
yr
n .1708357852281413 1.2568e-09 deg/d
Q 3.717220871081089 1.8231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1486  
   data-arc span      15532 days (42.52 yr)  
   first obs. used      1977-12-07  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52975  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:07:20  

Additional Information
 Earth MOID = 1.73272 au 
 Jupiter MOID = 1.47974 au 
 T_jup = 3.171 
[ 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 13.98   n/a E2021B10  
diameter diameter 8.891 km 0.303 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19800 (2000 RX51)          Discovered 2000-Sep-05 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 RX51 = 1977 XW1 = 1983 YN = 1999 RU72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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