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JPL Small-Body Database Browser
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109850 (2001 RO131)
Classification: Main-belt Asteroid          SPK-ID: 2109850
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1178315746307149 4.9986e-08  
a 2.621251031239612 1.7531e-08 au
q 2.312384894726264 1.2737e-07 au
i 3.609866275944671 4.9053e-06 deg
node 137.8990251503041 8.6553e-05 deg
peri 99.74140714949306 8.8922e-05 deg
M 161.410583747503 2.154e-05 deg
tp 2457905.490316268848
(2017-May-31.99031627)
9.191e-05 TDB
period 1550.105825368998
4.24
1.5551e-05
4.258e-08
d
yr
n .2322422083113604 2.3298e-09 deg/d
Q 2.930117167752961 1.9596e-08 au
  Orbit Determination Parameters
   # obs. used (total)      385  
   data-arc span      7154 days (19.59 yr)  
   first obs. used      2000-05-05  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65399  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:07:46  

Additional Information
 Earth MOID = 1.30368 au 
 Jupiter MOID = 2.07441 au 
 T_jup = 3.392 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456727.5 (2014-Mar-11.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1185211024589877 4.9706e-08  
q 2.31017294758245 1.2672e-07 au
tp 2456357.863046254242
(2013-Mar-06.36304625)
9.1973e-05 TDB
node 137.9254797639325 8.6486e-05 deg
peri 100.1472038651768 8.8855e-05 deg
i 3.611038224271622 4.9084e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      385  
   data-arc span      7154 days (19.59 yr)  
   first obs. used      2000-05-05  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65399  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:07:46  

Additional Information
 Jupiter MOID = 2.07441 au 
 T_jup = 3.392 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.470700560934821E-15 -6.255452020732207E-15 -9.633998383031336E-13 -1.502795423748575E-14 -1.804918586909172E-13 -1.177579001884583E-15
q -6.255452020732207E-15 1.605724283514604E-14 2.386787742840471E-12 3.904069655832769E-14 4.564231100145303E-13 3.173425586896076E-15
tp -9.633998383031336E-13 2.386787742840471E-12 8.459055433560814E-9 3.406427689060826E-11 1.909732157386143E-9 -2.754690284044899E-13
node -1.502795423748575E-14 3.904069655832769E-14 3.406427689060826E-11 7.479793148521043E-9 -7.45691579032804E-9 6.321949012363637E-11
peri -1.804918586909172E-13 4.564231100145303E-13 1.909732157386143E-9 -7.45691579032804E-9 7.895254420020696E-9 -6.315153922128109E-11
i -1.177579001884583E-15 3.173425586896076E-15 -2.754690284044899E-13 6.321949012363637E-11 -6.315153922128109E-11 2.409212701661009E-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 16.0   n/a MPO417564  

109850 (2001 RO131)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 RO131 = 2004 EV38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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