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102141 (1999 RT184)
Classification: Main-belt Asteroid          SPK-ID: 2102141
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1345424295360686 4.8404e-08  
a 2.402261580543204 9.1918e-09 au
q 2.079055471115765 1.1478e-07 au
i 4.947555131770986 3.27e-06 deg
node 102.241330833846 5.6965e-05 deg
peri 307.6969120787975 5.8723e-05 deg
M 209.8932173773452 1.4104e-05 deg
tp 2459767.556960929022
(2022-Jul-07.05696093)
5.4084e-05 TDB
period 1359.9685661615
3.72
7.8055e-06
2.137e-08
d
yr
n .2647120006722634 1.5193e-09 deg/d
Q 2.725467689970643 1.0429e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1034  
   data-arc span      7586 days (20.77 yr)  
   first obs. used      1999-09-04  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53123  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:56:27  

Additional Information
 Earth MOID = 1.09327 au 
 Jupiter MOID = 2.61842 au 
 T_jup = 3.508 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457269.5 (2015-Sep-04.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1333010169425296 4.8112e-08  
q 2.082725640908339 1.1373e-07 au
tp 2457047.713509776843
(2015-Jan-25.21350978)
5.3174e-05 TDB
node 102.3075861927935 5.6932e-05 deg
peri 307.8339921122778 5.8748e-05 deg
i 4.947993416860746 3.2698e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1034  
   data-arc span      7586 days (20.77 yr)  
   first obs. used      1999-09-04  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53123  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:56:27  

Additional Information
 Jupiter MOID = 2.61842 au 
 T_jup = 3.508 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.314783975887848E-15 -5.45878061308708E-15 -1.13307975971795E-12 -3.980207798589284E-14 -3.373347420653689E-13 -3.21528138167813E-16
q -5.45878061308708E-15 1.293430772080072E-14 2.698992341211316E-12 9.47433163084625E-14 8.039896238275806E-13 7.982462038914234E-16
tp -1.13307975971795E-12 2.698992341211316E-12 2.827436571370095E-9 1.812244566187362E-11 8.025828941946512E-10 -3.86819137698675E-13
node -3.980207798589284E-14 9.47433163084625E-14 1.812244566187362E-11 3.241204489618426E-9 -3.222659234472933E-9 -3.472698956798611E-11
peri -3.373347420653689E-13 8.039896238275806E-13 8.025828941946512E-10 -3.222659234472933E-9 3.451275315191419E-9 3.449572510610466E-11
i -3.21528138167813E-16 7.982462038914234E-16 -3.86819137698675E-13 -3.472698956798611E-11 3.449572510610466E-11 1.06915171385899E-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 15.4   n/a MPO469029  
diameter diameter 2.580 km 0.295 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 50.2678 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.242   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102141 (1999 RT184)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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