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131423 (2001 OF77)
Classification: Main-belt Asteroid          SPK-ID: 2131423
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2304917508842504 4.8522e-08  
a 3.110308731684778 2.3234e-08 au
q 2.393408226328181 1.5721e-07 au
i 18.13193524731684 6.2824e-06 deg
node 4.94518360411122 1.4283e-05 deg
peri 308.8660866686724 1.8526e-05 deg
M 256.6188100830486 1.4535e-05 deg
tp 2459971.864022603016
(2023-Jan-27.36402260)
8.3866e-05 TDB
period 2003.566106208287
5.49
2.245e-05
6.146e-08
d
yr
n .1796796216927893 2.0133e-09 deg/d
Q 3.827209237041375 2.8589e-08 au
  Orbit Determination Parameters
   # obs. used (total)      565  
   data-arc span      11141 days (30.50 yr)  
   first obs. used      1990-10-14  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53896  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:07:33  

Additional Information
 Earth MOID = 1.42437 au 
 Jupiter MOID = 1.76688 au 
 T_jup = 3.103 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457340.5 (2015-Nov-14.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2292603965998441 4.8406e-08  
q 2.400548154089337 1.5626e-07 au
tp 2457965.221813167093
(2017-Jul-30.72181317)
7.5892e-05 TDB
node 4.988293005218098 1.4286e-05 deg
peri 308.3218117107266 1.8554e-05 deg
i 18.12203269937303 6.2787e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      565  
   data-arc span      11141 days (30.50 yr)  
   first obs. used      1990-10-14  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53896  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:07:33  

Additional Information
 Jupiter MOID = 1.76688 au 
 T_jup = 3.103 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.343185258146596E-15 -7.517933325221911E-15 8.621921586120605E-13 -8.885415203848063E-16 1.854861776041269E-13 7.053204422829147E-15
q -7.517933325221911E-15 2.441735035422527E-14 -2.315420590828076E-12 7.018658166200915E-15 -5.599793054726299E-13 -2.220366810914107E-14
tp 8.621921586120605E-13 -2.315420590828076E-12 5.759644883952686E-9 5.805814015116316E-13 9.104942744465596E-10 -6.141549726106624E-12
node -8.885415203848063E-16 7.018658166200915E-15 5.805814015116316E-13 2.040863490209859E-10 -1.93308030775849E-10 -1.040405856450178E-11
peri 1.854861776041269E-13 -5.599793054726299E-13 9.104942744465596E-10 -1.93308030775849E-10 3.442654427038211E-10 9.237927038014228E-12
i 7.053204422829147E-15 -2.220366810914107E-14 -6.141549726106624E-12 -1.040405856450178E-11 9.237927038014228E-12 3.942260675356911E-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 14.64   n/a MPCxxxxx  

131423 (2001 OF77)          Discovered 2001-Jul-29 by Ondrejov at Ondrejov
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

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