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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 102 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2833103313351523 6.0281e-08  
a 1.483165389270765 4.8335e-09 au
q 1.062969311411635 9.0082e-08 au
i 22.8444155161926 1.0473e-05 deg
node 295.512486123477 1.6732e-05 deg
peri 71.52206286527235 2.5507e-05 deg
M 255.1660439993062 2.4965e-05 deg
tp 2458792.624289399211
(2019-Nov-05.12428940)
4.6565e-05 TDB
period 659.7551673358396
1.81
3.2251e-06
8.83e-09
d
yr
n .5456569615873077 2.6674e-09 deg/d
Q 1.903361467129896 6.2029e-09 au
  Orbit Determination Parameters
   # obs. used (total)      541  
   data-arc span      9984 days (27.33 yr)  
   first obs. used      1992-08-03  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42641  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 11:35:36  

Additional Information
 Earth MOID = .197552 au 
 Jupiter MOID = 3.67911 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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