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249889 (2001 RS43)
Classification: Main-belt Asteroid          SPK-ID: 2249889
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1331781758014417 6.8157e-08  
a 2.686012576813239 2.0534e-08 au
q 2.328294321653522 1.8308e-07 au
i 10.67773220309456 7.7942e-06 deg
node 342.5527411600619 2.6151e-05 deg
peri 5.414920541914353 3.4657e-05 deg
M 6.330251399288144 2.1095e-05 deg
tp 2458572.226540799759
(2019-Mar-29.72654080)
9.4133e-05 TDB
period 1607.905384805325
4.40
1.8438e-05
5.048e-08
d
yr
n .223893770990503 2.5675e-09 deg/d
Q 3.043730831972955 2.3269e-08 au
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      6667 days (18.25 yr)  
   first obs. used      2001-08-24  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59264  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 18:49:16  

Additional Information
 Earth MOID = 1.32072 au 
 Jupiter MOID = 2.36472 au 
 T_jup = 3.337 
[ 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 15.9   n/a MPO454853  
diameter diameter 2.001 km 0.337 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 21.030 h n/a LCDB (Rev. 2019-January); 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 0.160   0.139 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249889 (2001 RS43)          Discovered 2001-Sep-10 by Yeung, W. K. Y. at Desert Eagle
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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