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102144 (1999 RA188)
Classification: Main-belt Asteroid          SPK-ID: 2102144
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1545096831413848 5.2074e-08  
a 2.465556283143683 1.5127e-08 au
q 2.084603963067902 1.3221e-07 au
i 6.873694414548635 5.6842e-06 deg
node 1.296182116149824 4.9585e-05 deg
peri 336.7215817252684 5.3982e-05 deg
M 187.0053212327293 2.5334e-05 deg
tp 2459880.018135769021
(2022-Oct-27.51813577)
0.00010301 TDB
period 1414.069673240892
3.87
1.3014e-05
3.563e-08
d
yr
n .2545843439064213 2.343e-09 deg/d
Q 2.846508603219463 1.7465e-08 au
  Orbit Determination Parameters
   # obs. used (total)      425  
   data-arc span      7867 days (21.54 yr)  
   first obs. used      1999-09-07  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53437  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:34:25  

Additional Information
 Earth MOID = 1.07612 au 
 Jupiter MOID = 2.54231 au 
 T_jup = 3.461 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456560.5 (2013-Sep-25.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1559201893570088 5.2282e-08  
q 2.080251997566841 1.3291e-07 au
tp 2457050.629436213412
(2015-Jan-28.12943621)
8.9018e-05 TDB
node 1.362266253259295 4.9513e-05 deg
peri 336.4384132244193 5.3805e-05 deg
i 6.881704117795072 5.6874e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      425  
   data-arc span      7867 days (21.54 yr)  
   first obs. used      1999-09-07  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53437  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:34:25  

Additional Information
 Jupiter MOID = 2.54231 au 
 T_jup = 3.461 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.73342198100253E-15 -6.919003771750718E-15 2.73174617248098E-13 1.216673732877967E-14 -1.212501649733587E-14 -2.93032049331349E-15
q -6.919003771750718E-15 1.766480755147451E-14 -2.443792894732878E-13 -2.932146178098692E-14 1.232822317230566E-13 7.593633146085079E-15
tp 2.73174617248098E-13 -2.443792894732878E-13 7.924246881396238E-9 3.774420622244519E-11 1.906006453382347E-9 -4.316918997840288E-12
node 1.216673732877967E-14 -2.932146178098692E-14 3.774420622244519E-11 2.451573165798961E-9 -2.424340156355007E-9 3.824123629599598E-11
peri -1.212501649733587E-14 1.232822317230566E-13 1.906006453382347E-9 -2.424340156355007E-9 2.89494674058363E-9 -3.901369106421746E-11
i -2.93032049331349E-15 7.593633146085079E-15 -4.316918997840288E-12 3.824123629599598E-11 -3.901369106421746E-11 3.234683687746755E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.97   n/a MPCxxxxx  

102144 (1999 RA188)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 RA188 = 2003 SR129 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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