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66480 (1999 RW33)
Classification: Main-belt Asteroid          SPK-ID: 2066480
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1637313003431796 3.0362e-08  
a 2.644982543408935 1.278e-08 au
q 2.21191611219158 8.1604e-08 au
i 11.32591521163678 3.7293e-06 deg
node 175.031336557526 1.7972e-05 deg
peri 264.4845958681185 2.2581e-05 deg
M 280.7123518627603 1.6085e-05 deg
tp 2459546.547468923786
(2021-Nov-28.04746892)
7.1422e-05 TDB
period 1571.204238482789
4.30
1.1388e-05
3.118e-08
d
yr
n .2291236181666802 1.6607e-09 deg/d
Q 3.07804897462629 1.4873e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1043  
   data-arc span      13403 days (36.70 yr)  
   first obs. used      1984-03-29  
   last obs. used      2020-12-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57963  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:22:32  

Additional Information
 Earth MOID = 1.2606 au 
 Jupiter MOID = 2.27356 au 
 T_jup = 3.347 
[ 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 14.97   n/a E2021B10  
diameter diameter 5.491 km 0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66480 (1999 RW33)          Discovered 1999-Sep-10 by Starkenburg at Starkenburg
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RW33 = 1988 CE4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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