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249893 (2001 RS72)
Classification: Main-belt Asteroid          SPK-ID: 2249893
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2136313127856078 6.0912e-08  
a 2.723393977505616 1.1972e-08 au
q 2.141591746858673 1.6678e-07 au
i 9.457620691448279 7.8897e-06 deg
node 199.5289145318183 2.6191e-05 deg
peri 216.392270199067 3.0827e-05 deg
M 301.8460064537949 1.3577e-05 deg
tp 2458865.680252085544
(2020-Jan-17.18025209)		 6.2121e-05 TDB
period 1641.587876075026
4.49		 1.0825e-05
2.964e-08		 d
yr
n .2192998652382511 1.4461e-09 deg/d
Q 3.305196208152558 1.453e-08 au
   Orbit Determination Parameters
   # obs. used (total)      604  
   data-arc span      6666 days (18.25 yr)  
   first obs. used      2001-08-28  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .498  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 18:49:17  

Additional Information
 Earth MOID = 1.16016 au 
 Jupiter MOID = 2.10523 au 
 T_jup = 3.305 
[ 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 15.6   n/a MPO418334  
diameter diameter 2.110 km 0.453 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.362   0.261 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249893 (2001 RS72)          Discovered 2001-Sep-10 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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