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266688 (2009 OH23)
Classification: Main-belt Asteroid          SPK-ID: 2266688
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2117907279760878 7.5769e-08  
a 2.295596346163353 1.5586e-08 au
q 1.80941032487017 1.7414e-07 au
i 7.152116902148233 6.135e-06 deg
node 2.837634606932281 3.8112e-05 deg
peri 348.2061345103309 3.9616e-05 deg
M 17.50034137303201 1.0316e-05 deg
tp 2458938.743065010030
(2020-Mar-30.24306501)
3.6185e-05 TDB
period 1270.40359513497
3.48
1.2938e-05
3.542e-08
d
yr
n .2833745129332328 2.886e-09 deg/d
Q 2.781782367456537 1.8887e-08 au
  Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      6171 days (16.90 yr)  
   first obs. used      2002-07-16  
   last obs. used      2019-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58121  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:36:48  

Additional Information
 Earth MOID = .804647 au 
 Jupiter MOID = 2.65143 au 
 T_jup = 3.555 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457208.5 (2015-Jul-05.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2125551091308845 7.5756e-08  
q 1.807473411821561 1.7422e-07 au
tp 2457668.988724211843
(2016-Oct-07.48872421)
3.3881e-05 TDB
node 2.896444700460682 3.8085e-05 deg
peri 348.3521703272539 3.9574e-05 deg
i 7.156065110944519 6.1368e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      6171 days (16.90 yr)  
   first obs. used      2002-07-16  
   last obs. used      2019-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58121  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:36:48  

Additional Information
 Jupiter MOID = 2.65143 au 
 T_jup = 3.555 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.738985993059986E-15 -1.316531927611619E-14 -4.92441991084873E-13 -9.299908277930185E-14 1.748744202687777E-13 -1.190024992912863E-14
q -1.316531927611619E-14 3.035245274680902E-14 1.120238740230523E-12 2.125074873769863E-13 -4.188949063374839E-13 2.774112783326503E-14
tp -4.92441991084873E-13 1.120238740230523E-12 1.147936149321668E-9 -8.016380204694758E-13 3.528315236608822E-10 4.65146118538848E-12
node -9.299908277930185E-14 2.125074873769863E-13 -8.016380204694758E-13 1.450465652927924E-9 -1.441906818185661E-9 -7.226440051128332E-11
peri 1.748744202687777E-13 -4.188949063374839E-13 3.528315236608822E-10 -1.441906818185661E-9 1.566099708301404E-9 7.272170955713423E-11
i -1.190024992912863E-14 2.774112783326503E-14 4.65146118538848E-12 -7.226440051128332E-11 7.272170955713423E-11 3.766015399501507E-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 16.9   n/a MPO440311  

266688 (2009 OH23)          Discovered 2009-Jul-20 by Siding Spring Survey at Siding Spring
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 OH23 = 2008 FJ14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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