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266903 (2009 WO156)
Classification: Main-belt Asteroid          SPK-ID: 2266903
[ 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07613020075722481 5.5034e-08  
a 3.170888535202512 3.0605e-08 au
q 2.929488154438762 1.8314e-07 au
i 2.151021467661471 5.273e-06 deg
node 148.0837334989609 0.00015281 deg
peri 253.2917490271835 0.0001568 deg
M 335.4420004273332 3.3386e-05 deg
tp 2459141.189075948914
(2020-Oct-18.68907595)		 0.00019092 TDB
period 2062.385708239068
5.65		 2.9859e-05
8.175e-08		 d
yr
n .1745551273759454 2.5272e-09 deg/d
Q 3.412288915966262 3.2935e-08 au
   Orbit Determination Parameters
   # obs. used (total)      255  
   data-arc span      6238 days (17.08 yr)  
   first obs. used      2003-10-19  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5622  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:21:10  

Additional Information
 Earth MOID = 1.93856 au 
 Jupiter MOID = 1.92135 au 
 T_jup = 3.197 
[ show covariance matrix ]

[ 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 15.9   n/a MPO450147  

266903 (2009 WO156)          Discovered 2009-Nov-20 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1985-Aug-19 09:00 00:01 Jupiter 1.99765768608364 1.99765722031779 1.99765815184937 3.80526398071351 3.69215631950325 2446296.875048419 1.41292358311259 69.5043997384704 18.7408905848006 88.8344714793907 3290635.59209455 T 13 CATAB v2.0f-lin.ifort 2020-Dec-18 00:21:11 2020-Dec-18 00:21
1996-May-12 08:44 < 00:01 Jupiter 1.97067618511163 1.97067573060085 1.9706766396223 3.26948708776412 3.13527024996911 2450215.863942596 0.944855639670562 53.6463524363643 15.9634309066447 -85.9589465428373 3159877.06876996 T 13 CATAB v2.0f-lin.ifort 2020-Dec-18 00:21:11 2020-Dec-18 00:21
2007-Feb-07 23:18 < 00:01 Jupiter 1.97806806017149 1.97806756256102 1.9780685577819 3.00041072729654 2.85412869494873 2454139.470819872 0.488199620945805 50.3707163465642 15.6589965244277 -87.1783079646091 2773880.14692292 T 13 CATAB v2.0f-lin.ifort 2020-Dec-18 00:21:11 2020-Dec-18 00:21
2103-Dec-02 20:56 00:04 Jupiter 1.9689140095984 1.96891349640766 1.96891452278948 3.53533780721712 3.41148322141686 2489500.372320045 3.71726179007008 111.454178504549 17.3977814343076 88.4759369987552 2817752.91675525 T 13 CATAB v2.0f-lin.ifort 2020-Dec-18 00:21:11 2020-Dec-18 00:21
2114-Aug-26 08:15 00:04 Jupiter 1.95652718243528 1.9565267244798 1.95652764039064 3.09590525101658 2.95275913236752 2493419.844048939 4.16002565646366 53.21655059265 16.6895873856712 -86.6400660377091 2235874.24431426 T 13 CATAB v2.0f-lin.ifort 2020-Dec-18 00:21:11 2020-Dec-18 00:21
2125-May-25 08:57 00:05 Jupiter 1.98712741200442 1.98712681861952 1.98712800539001 2.970753403227 2.82362643865719 2497344.872647101 4.58822000270494 135.959490819635 17.6741844235952 83.3342340718302 2810883.47762574 T 13 CATAB v2.0f-lin.ifort 2020-Dec-18 00:21:11 2020-Dec-18 00:21

Alternate Designations
 2009 WO156 = 2008 SJ87 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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