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101943 (1999 RS24)
Classification: Main-belt Asteroid          SPK-ID: 2101943
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2533554968774891 3.236e-08  
a 2.387627435404853 1.0424e-08 au
q 1.782708900149531 7.8979e-08 au
i 10.29689501787499 4.3255e-06 deg
node 193.1832381818751 1.9854e-05 deg
peri 118.7840177117397 2.196e-05 deg
M 302.8130856184908 1.2779e-05 deg
tp 2459414.563405881247
(2021-Jul-19.06340588)
4.8792e-05 TDB
period 1347.560485658346
3.69
8.8245e-06
2.416e-08
d
yr
n .2671494183981828 1.7494e-09 deg/d
Q 2.992545970660174 1.3065e-08 au
  Orbit Determination Parameters
   # obs. used (total)      845  
   data-arc span      7605 days (20.82 yr)  
   first obs. used      1999-07-23  
   last obs. used      2020-05-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58717  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:39:31  

Additional Information
 Earth MOID = .794533 au 
 Jupiter MOID = 2.40377 au 
 T_jup = 3.469 
[ 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 15.53   n/a E2021B55  
diameter diameter 2.699 km 0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.782 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 0.166   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101943 (1999 RS24)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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