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266781 (2009 SR237)
Classification: Main-belt Asteroid          SPK-ID: 2266781
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1906837074721537 6.913e-08  
a 3.166565140443313 5.0218e-08 au
q 2.562752759511501 2.1315e-07 au
i 17.53976883993348 7.0988e-06 deg
node 33.64753661619967 1.9159e-05 deg
peri 10.26252934676875 2.6348e-05 deg
M 296.3551296383147 1.7329e-05 deg
tp 2459364.366415094914
(2021-May-29.86641510)
0.00010225 TDB
period 2058.169160998516
5.63
4.896e-05
1.34e-07
d
yr
n .1749127364367596 4.1609e-09 deg/d
Q 3.770377521375125 5.9794e-08 au
  Orbit Determination Parameters
   # obs. used (total)      384  
   data-arc span      7947 days (21.76 yr)  
   first obs. used      1998-10-14  
   last obs. used      2020-07-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54217  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 18:08:26  

Additional Information
 Earth MOID = 1.57286 au 
 Jupiter MOID = 1.68116 au 
 T_jup = 3.104 
[ 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 14.9   n/a MPO450146  

266781 (2009 SR237)          Discovered 2009-Sep-16 by CSS at Catalina
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
1923-Jun-01 20:56 00:05 Jupiter 1.68245450762021 1.68245301169856 1.68245600365701 4.05295696758411 3.92677617450828 2423572.372092095 4.9055945751573 812.766647448183 32.0521779763165 85.0451405857052 2104375.8918096 T 12 CATAB v2.0f-lin.ifort 2020-Aug-25 18:08:30 2020-Aug-25 18:08
1934-Mar-12 09:00 00:04 Jupiter 1.81583769514493 1.81583506144921 1.81584032884128 4.16304582993822 4.04944724887647 2427508.874883284 4.30150271367545 331.468759550928 130.204146772715 -86.2872335187938 1776790.91369573 T 12 CATAB v2.0f-lin.ifort 2020-Aug-25 18:08:30 2020-Aug-25 18:08
2018-Nov-20 17:24 < 00:01 Jupiter 1.80403012498368 1.80402934581114 1.80403090415663 3.71186729647447 3.58314459033057 2458443.225026771 0.583652201981901 597.344402885769 35.2719277735392 89.1131842247714 2238918.86680642 T 12 CATAB v2.0f-lin.ifort 2020-Aug-25 18:08:30 2020-Aug-25 18:08
2029-Aug-21 01:28 00:01 Jupiter 1.69084270006334 1.69084171873594 1.69084368139228 4.15720562372043 4.03490578223779 2462369.561089895 1.06610017801756 253.248620779625 42.7782136772871 85.4600595247171 2118627.61125875 T 12 CATAB v2.0f-lin.ifort 2020-Aug-25 18:08:30 2020-Aug-25 18:08
2125-Jan-25 02:57 00:06 Jupiter 1.68871926170492 1.6887181724774 1.68872035100799 3.98680185897381 3.85894225527787 2497224.623061320 6.10252509129227 778.585544628472 33.2600643857018 86.4305389589828 2189749.5545528 T 12 CATAB v2.0f-lin.ifort 2020-Aug-25 18:08:30 2020-Aug-25 18:08
2135-Nov-02 18:41 00:07 Jupiter 1.84610150722667 1.84609671348584 1.8461063009676 4.23421803494961 4.12443555251924 2501158.278722980 7.08295086811867 407.336622884211 235.1305201027 84.3149452359178 972783.943131503 T 12 CATAB v2.0f-lin.ifort 2020-Aug-25 18:08:30 2020-Aug-25 18:08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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