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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1659534580006122 4.1933e-08  
a 3.00812607236951 1.6892e-08 au
q 2.50891714855799 1.282e-07 au
i 13.7196587150119 4.9432e-06 deg
node 166.7392299543361 1.375e-05 deg
peri 212.4709538377176 1.7853e-05 deg
M 32.44096148040581 1.0028e-05 deg
tp 2458828.774933134062
(2019-Dec-11.27493313)
5.3146e-05 TDB
period 1905.647097083649
5.22
1.6052e-05
4.395e-08
d
yr
n .1889122075912871 1.5913e-09 deg/d
Q 3.50733499618103 1.9696e-08 au
  Orbit Determination Parameters
   # obs. used (total)      746  
   data-arc span      8630 days (23.63 yr)  
   first obs. used      1996-04-13  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56102  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:58:04  

Additional Information
 Earth MOID = 1.52056 au 
 Jupiter MOID = 1.98664 au 
 T_jup = 3.187 
[ 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 14.8   n/a MPO453056  
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1933-Aug-21 18:44 00:02 Jupiter 1.96709843668491 1.96709802396923 1.9670988494006 3.80518816171931 3.69029364489651 2427306.280216171 1.89750970178043 189.422131138398 18.8232484428973 -89.8209182181585 3111575.98858114 T 20 CATAB v2.0f-lin.ifort 2019-Dec-14 06:58:11 2019-Dec-14 06:58
2017-Apr-17 15:54 < 00:01 Jupiter 1.99903412136556 1.99903372076726 1.99903452196386 3.52601438212188 3.40372526050486 2457861.162282881 0.216084426977873 52.5932551458631 17.6879257004881 88.8636799333513 3120075.54410918 T 20 CATAB v2.0f-lin.ifort 2019-Dec-14 06:58:11 2019-Dec-14 06:58
2063-Oct-01 13:55 00:01 Jupiter 1.99811539629715 1.99811490344781 1.99811588914706 3.92805639302526 3.81861304759781 2474829.079945296 1.1586658135306 115.316435538636 19.7499031799375 84.3660051221371 3294902.56601527 T 20 CATAB v2.0f-lin.ifort 2019-Dec-14 06:58:11 2019-Dec-14 06:58
2147-May-27 17:29 00:03 Jupiter 1.98010391565158 1.98010348890087 1.98010434240342 3.67879795199412 3.56062086909867 2505382.228640128 3.13087485596932 302.287301880468 18.8855889281727 -88.0166269329479 2948671.54814154 T 20 CATAB v2.0f-lin.ifort 2019-Dec-14 06:58:11 2019-Dec-14 06:58

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