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66519 (1999 RZ99)
Classification: Main-belt Asteroid          SPK-ID: 2066519
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1452811372881083 4.0871e-08  
a 2.814904005461811 1.4854e-08 au
q 2.405951550191467 1.1663e-07 au
i 8.448727519154177 3.3452e-06 deg
node 254.6503348894307 3.1465e-05 deg
peri 82.06798925682531 3.3242e-05 deg
M 173.8567020776613 1.2171e-05 deg
tp 2458367.427599197730
(2018-Sep-05.92759920)
5.6324e-05 TDB
period 1725.018711989889
4.72
1.3654e-05
3.738e-08
d
yr
n .2086933883660447 1.6519e-09 deg/d
Q 3.223856460732154 1.7012e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1411  
   data-arc span      7924 days (21.69 yr)  
   first obs. used      1999-07-13  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51377  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:02:00  

Additional Information
 Earth MOID = 1.41269 au 
 Jupiter MOID = 2.19039 au 
 T_jup = 3.288 
[ 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 14.20   n/a MPCxxxxx  
diameter diameter 4.275 km 0.182 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.266   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66519 (1999 RZ99)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RZ99 = 2000 QW217 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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