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118400 (1999 RB63)
Classification: Main-belt Asteroid          SPK-ID: 2118400
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1634584990621787 4.137e-08  
a 3.101736351840727 3.3186e-08 au
q 2.594731183282244 1.3533e-07 au
i 15.1776282550542 8.0808e-06 deg
node 322.6199988606896 1.7655e-05 deg
peri 80.09218744200591 3.1971e-05 deg
M 282.600921149849 2.9126e-05 deg
tp 2459629.481968780124
(2022-Feb-18.98196878)
0.00016581 TDB
period 1995.288717322289
5.46
3.2022e-05
8.767e-08
d
yr
n .180425016627732 2.8956e-09 deg/d
Q 3.608741520399211 3.8611e-08 au
  Orbit Determination Parameters
   # obs. used (total)      529  
   data-arc span      7589 days (20.78 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52104  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:57:06  

Additional Information
 Earth MOID = 1.65402 au 
 Jupiter MOID = 2.01316 au 
 T_jup = 3.148 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456949.5 (2014-Oct-19.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1681829508185653 4.1309e-08  
q 2.573565009769172 1.3486e-07 au
tp 2457640.887803246262
(2016-Sep-09.38780325)
0.00014342 TDB
node 322.8201944566754 1.7739e-05 deg
peri 80.40425536652745 3.1364e-05 deg
i 15.15688443164535 8.0716e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      529  
   data-arc span      7589 days (20.78 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52104  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:57:06  

Additional Information
 Jupiter MOID = 2.01316 au 
 T_jup = 3.148 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.706400787568589E-15 -5.467928839013503E-15 -8.652368898602606E-13 1.604244657577644E-15 -1.074333157573854E-13 -5.048949390474948E-15
q -5.467928839013503E-15 1.818672953416559E-14 4.508898146511365E-12 -6.285770496165216E-15 6.105096820051304E-13 1.889939287060123E-14
tp -8.652368898602606E-13 4.508898146511365E-12 2.05703148493892E-8 -7.170153886739136E-12 3.710038776596085E-9 1.928228138631305E-11
node 1.604244657577644E-15 -6.285770496165216E-15 -7.170153886739136E-12 3.146613177988926E-10 -3.044271266001523E-10 -1.74758787695489E-11
peri -1.074333157573854E-13 6.105096820051304E-13 3.710038776596085E-9 -3.044271266001523E-10 9.836978462313767E-10 2.006291699596932E-11
i -5.048949390474948E-15 1.889939287060123E-14 1.928228138631305E-11 -1.74758787695489E-11 2.006291699596932E-11 6.515072696078195E-11

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 14.68   n/a E2021B55  
diameter diameter 6.607 km 0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 10.149 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.070   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118400 (1999 RB63)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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