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249886 (2001 RY11)
Classification: Amor [NEO]          SPK-ID: 2249886
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 113 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2833211458994274 5.8618e-08  
a 1.48318356343832 3.8808e-09 au
q 1.062966296665779 8.7135e-08 au
i 22.84630823581038 9.703e-06 deg
node 295.5090409512902 1.5712e-05 deg
peri 71.5290428709739 2.1996e-05 deg
M 113.4167811930221 2.0371e-05 deg
tp 2458792.642547725845
(2019-Nov-05.14254773)
3.6688e-05 TDB
period 659.767293971657
1.81
2.5895e-06
7.09e-09
d
yr
n .5456469323189356 2.1416e-09 deg/d
Q 1.903400830210861 4.9804e-09 au
  Orbit Determination Parameters
   # obs. used (total)      608  
   data-arc span      10045 days (27.50 yr)  
   first obs. used      1992-08-03  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41966  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jul-09 06:12:50  

Additional Information
 Earth MOID = .198283 au 
 Jupiter MOID = 3.68237 au 
 T_jup = 4.452 
[ 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 17.4   n/a MPO321272  
diameter diameter 1.201 km 0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2012ApJ...760L..12M)  
geometric albedo albedo 0.051   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2012ApJ...760L..12M)  

249886 (2001 RY11)          Discovered 2001-Sep-09 by LINEAR at Socorro
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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