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66066 (1998 RO18)
Classification: Main-belt Asteroid          SPK-ID: 2066066
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1661209741703596 3.877e-08  
a 3.008824560224162 1.6203e-08 au
q 2.50899569317202 1.1728e-07 au
i 13.71985560806669 4.543e-06 deg
node 166.7330196461623 1.3397e-05 deg
peri 212.5209625568029 1.7586e-05 deg
M 70.16344248945866 9.9491e-06 deg
tp 2458828.962962958909
(2019-Dec-11.46296296)
5.2832e-05 TDB
period 1906.310873427966
5.22
1.5399e-05
4.216e-08
d
yr
n .1888464284697914 1.5255e-09 deg/d
Q 3.508653427276303 1.8895e-08 au
  Orbit Determination Parameters
   # obs. used (total)      798  
   data-arc span      9046 days (24.77 yr)  
   first obs. used      1996-04-13  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5439  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:19:12  

Additional Information
 Earth MOID = 1.51924 au 
 Jupiter MOID = 1.98654 au 
 T_jup = 3.186 
[ 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 14.83   n/a MPCxxxxx  
diameter diameter 3.933 km 1.385 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.137   0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66066 (1998 RO18)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RO18 = 1997 LA2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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