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JPL Small-Body Database Browser
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66492 (1999 RZ54)
Classification: Main-belt Asteroid          SPK-ID: 2066492
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1189273893522889 4.4358e-08  
a 3.008341202569349 3.1744e-08 au
q 2.650567037066851 1.3285e-07 au
i 9.513541260064125 6.1283e-06 deg
node 174.1726630469842 2.939e-05 deg
peri 145.4863288830887 4.185e-05 deg
M 1.6941954711995 2.8693e-05 deg
tp 2458991.530874922962
(2020-May-22.03087492)
0.00015186 TDB
period 1905.851528128401
5.22
3.0166e-05
8.259e-08
d
yr
n .1888919439351762 2.9898e-09 deg/d
Q 3.366115368071847 3.552e-08 au
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      10806 days (29.59 yr)  
   first obs. used      1989-10-07  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54532  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:28:15  

Additional Information
 Earth MOID = 1.64482 au 
 Jupiter MOID = 2.01954 au 
 T_jup = 3.219 
[ 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 15.1   n/a MPO436245  
diameter diameter 6.259 km 0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66492 (1999 RZ54)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RZ54 = 1989 TP3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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