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162478 (2000 OT9)
Classification: Main-belt Asteroid          SPK-ID: 2162478
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2147228493168462 2.9352e-08  
a 2.256873597846863 7.3381e-09 au
q 1.772271268369222 6.8752e-08 au
i 2.535492385547511 4.2757e-06 deg
node 198.0149015127719 7.1605e-05 deg
peri 110.2742573756559 7.2378e-05 deg
M 64.12680262812424 9.9389e-06 deg
tp 2459175.904643431212
(2020-Nov-22.40464343)
3.3932e-05 TDB
period 1238.39525923806
3.39
6.0399e-06
1.654e-08
d
yr
n .2906987872527023 1.4178e-09 deg/d
Q 2.741475927324503 8.9138e-09 au
  Orbit Determination Parameters
   # obs. used (total)      733  
   data-arc span      7316 days (20.03 yr)  
   first obs. used      2000-07-04  
   last obs. used      2020-07-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54328  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:10:18  

Additional Information
 Earth MOID = .759059 au 
 Jupiter MOID = 2.52258 au 
 T_jup = 3.591 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457432.5 (2016-Feb-14.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2145924106686405 2.9384e-08  
q 1.773535810852425 6.8832e-08 au
tp 2457936.828109749021
(2017-Jul-02.32810975)
3.317e-05 TDB
node 198.0718809794242 7.1704e-05 deg
peri 110.1721289967702 7.2473e-05 deg
i 2.532448939361006 4.2734e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      733  
   data-arc span      7316 days (20.03 yr)  
   first obs. used      2000-07-04  
   last obs. used      2020-07-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54328  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:10:18  

Additional Information
 Jupiter MOID = 2.52258 au 
 T_jup = 3.591 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.633943533778716E-16 -2.016522969903958E-15 7.659660850871947E-14 -2.74332964452488E-15 5.207499485151203E-14 -3.867576845084919E-16
q -2.016522969903958E-15 4.737779607103677E-15 -1.603239511351507E-13 5.348928981442579E-15 -1.182314903134179E-13 9.492973850600887E-16
tp 7.659660850871947E-14 -1.603239511351507E-13 1.100272416727364E-9 -1.065512182286062E-11 3.539377882940535E-10 3.121947341984993E-13
node -2.74332964452488E-15 5.348928981442579E-15 -1.065512182286062E-11 5.141519534619621E-9 -5.13945809863283E-9 4.602895507628125E-11
peri 5.207499485151203E-14 -1.182314903134179E-13 3.539377882940535E-10 -5.13945809863283E-9 5.252349527580695E-9 -4.591798062112865E-11
i -3.867576845084919E-16 9.492973850600887E-16 3.121947341984993E-13 4.602895507628125E-11 -4.591798062112865E-11 1.826172798557797E-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 16.95   n/a E2021B55  

162478 (2000 OT9)          Discovered 2000-Jul-31 by Sarounova, L. at Ondrejov
Reference: 20070926/Numbers.arcLast Updated: 2007-09-30

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