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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 ]

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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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1345424284693517 4.8378e-08  
a 2.402261579822748 9.1756e-09 au
q 2.079055473054774 1.147e-07 au
i 4.947555120658868 3.2689e-06 deg
node 102.24132996 5.6681e-05 deg
peri 307.696913234946 5.844e-05 deg
M 209.8932171358819 1.4034e-05 deg
tp 2459767.556961586098
(2022-Jul-07.05696159)
5.3803e-05 TDB
period 1359.968565549703
3.72
7.7918e-06
2.133e-08
d
yr
n .264712000791347 1.5166e-09 deg/d
Q 2.725467686590722 1.041e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1048  
   data-arc span      7586 days (20.77 yr)  
   first obs. used      1999-09-04  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52993  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:40:32  

Additional Information
 Earth MOID = 1.09327 au 
 Jupiter MOID = 2.61842 au 
 T_jup = 3.508 
[ 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 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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