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19796 (2000 RX50)
Classification: Main-belt Asteroid          SPK-ID: 2019796
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2183649710272517 3.5566e-08  
a 2.379533307742451 8.6845e-09 au
q 1.85992658593889 8.5185e-08 au
i 3.070124525839918 3.5201e-06 deg
node 72.01851951967907 7.4516e-05 deg
peri 260.0450675066772 7.4883e-05 deg
M 225.9282043049217 7.5421e-06 deg
tp 2459699.810885971019
(2022-Apr-30.31088597)
2.88e-05 TDB
period 1340.713891521073
3.67
7.3397e-06
2.01e-08
d
yr
n .268513664456457 1.47e-09 deg/d
Q 2.899140029546011 1.0581e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1279  
   data-arc span      15446 days (42.29 yr)  
   first obs. used      1978-11-30  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53356  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:07:19  

Additional Information
 Earth MOID = .85055 au 
 Jupiter MOID = 2.47101 au 
 T_jup = 3.505 
[ 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 15.04   n/a E2021B10  
diameter diameter 2.455 km 0.440 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.141 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.244   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19796 (2000 RX50)          Discovered 2000-Sep-05 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 RX50 = 1978 WV17 = 1985 QY5 = 1985 RD5 = 1985 SQ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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