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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2138781298165354 6.0781e-08  
a 2.724172725965544 1.16e-08 au
q 2.14153175803882 1.6644e-07 au
i 9.456666590148032 7.5275e-06 deg
node 199.5255462585892 2.4718e-05 deg
peri 216.3702326747614 2.9567e-05 deg
M 29.57176906296714 1.3042e-05 deg
tp 2458865.595886356063
(2020-Jan-17.09588636)
5.9429e-05 TDB
period 1642.292039018932
4.50
1.049e-05
2.872e-08
d
yr
n .2192058363840428 1.4001e-09 deg/d
Q 3.306813693892267 1.4081e-08 au
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      6726 days (18.41 yr)  
   first obs. used      2001-08-28  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48989  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:28:03  

Additional Information
 Earth MOID = 1.16052 au 
 Jupiter MOID = 2.10501 au 
 T_jup = 3.304 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457411.5 (2016-Jan-24.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2108036816452929 6.0383e-08  
q 2.151056788453641 1.6462e-07 au
tp 2457219.011363163532
(2015-Jul-15.51136316)
6.2146e-05 TDB
node 199.5760814817102 2.4711e-05 deg
peri 215.8030145607167 2.9786e-05 deg
i 9.45014979973762 7.525e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      6726 days (18.41 yr)  
   first obs. used      2001-08-28  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48989  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:28:03  

Additional Information
 Jupiter MOID = 2.10501 au 
 T_jup = 3.304 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.646050931735126E-15 -9.924519735538814E-15 -1.844314481495319E-12 3.884496476614553E-14 -4.394539415496423E-13 -1.019944942432913E-14
q -9.924519735538814E-15 2.709855202579992E-14 4.951214183807999E-12 -1.060062225327643E-13 1.182733744041048E-12 2.772546211559537E-14
tp -1.844314481495319E-12 4.951214183807999E-12 3.862161025908229E-9 -2.306713481098638E-11 1.039993255576989E-9 9.052144387419726E-12
node 3.884496476614553E-14 -1.060062225327643E-13 -2.306713481098638E-11 6.106360018806433E-10 -6.071582763016796E-10 3.134603266740172E-11
peri -4.394539415496423E-13 1.182733744041048E-12 1.039993255576989E-9 -6.071582763016796E-10 8.872309405737616E-10 -2.888221914831457E-11
i -1.019944942432913E-14 2.772546211559537E-14 9.052144387419726E-12 3.134603266740172E-11 -2.888221914831457E-11 5.662600330633712E-11

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 15.7   n/a MPO503177  
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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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