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JPL Small-Body Database Browser
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266722 (2009 RL12)
Classification: Main-belt Asteroid          SPK-ID: 2266722
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1673370106840425 6.7275e-08  
a 3.085977072602727 5.2701e-08 au
q 2.569578894233894 2.133e-07 au
i 5.883338386136421 8.3664e-06 deg
node 181.6858502824979 5.5127e-05 deg
peri 190.9392037148382 5.8464e-05 deg
M 276.9533760103702 2.348e-05 deg
tp 2459057.279864145031
(2020-Jul-26.77986414)
0.00013563 TDB
period 1980.101576588411
5.42
5.0723e-05
1.389e-07
d
yr
n .1818088547862566 4.6573e-09 deg/d
Q 3.60237525097156 6.152e-08 au
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      6245 days (17.10 yr)  
   first obs. used      2001-04-13  
   last obs. used      2018-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56409  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 16:59:53  

Additional Information
 Earth MOID = 1.56929 au 
 Jupiter MOID = 1.85743 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 15.6   n/a MPO413195  

266722 (2009 RL12)          Discovered 2009-Sep-12 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
1909-May-20 02:53 00:08 Jupiter 1.89694943193988 1.89694775665337 1.8969511072499 2.36721022671653 2.17040267777711 2418446.620308028 7.88191955295252 405.675537109016 30.7630407793475 83.3644942742666 1421698.55770996 T 14 CATAB v2.0e-lin.ifort 2018-May-31 16:59:56 2018-Dec-17 23:47
1959-Feb-14 02:57 00:04 Jupiter 1.96489535000386 1.96489387167996 1.96489682833257 2.60938196739723 2.43858953190681 2436613.622572039 4.1927805305924 190.989024993602 18.2381791653017 -76.4495216569504 2135225.41014943 T 14 CATAB v2.0e-lin.ifort 2018-May-31 16:59:56 2018-Dec-17 23:47
1968-Nov-30 11:58 00:03 Jupiter 1.8812596452241 1.88125876088107 1.88126052956863 2.3575864629345 2.15817735454488 2440190.998727708 3.38942730360886 193.853499345174 31.7052814141744 85.8425348454936 1407901.22161402 T 14 CATAB v2.0e-lin.ifort 2018-May-31 16:59:56 2018-Dec-17 23:47
2018-Aug-27 06:08 < 00:01 Jupiter 1.98870227186527 1.98870169885597 1.98870284487479 2.66736787572876 2.50260204024848 2458357.755799768 0.442454624211288 83.7730989651283 16.4522591640238 -81.0946969666203 2564553.37334184 T 14 CATAB v2.0e-lin.ifort 2018-May-31 16:59:56 2018-Dec-17 23:47
2028-Jun-11 17:38 00:01 Jupiter 1.86865974666534 1.86865899901225 1.86866049431811 2.35020232739188 2.14869607088816 2461934.234783053 1.12212496933539 83.4827547518098 32.2222128031897 83.7078595449206 1420264.4501314 T 14 CATAB v2.0e-lin.ifort 2018-May-31 16:59:56 2018-Dec-17 23:47
2087-Dec-22 05:27 00:06 Jupiter 1.85934366272345 1.85934273060027 1.8593445948554 2.34169276302459 2.1383233148528 2483676.726906741 5.52851824585989 333.460852102009 31.0914297541805 86.1895947832391 1426862.37216473 T 14 CATAB v2.0e-lin.ifort 2018-May-31 16:59:56 2018-Dec-17 23:47
2147-Jul-03 09:13 00:10 Jupiter 1.85346582573252 1.85346487299431 1.85346677850623 2.33001009082674 2.12484335623581 2505418.884069746 9.96002653618129 608.916939039753 29.8032127004343 88.2768972954795 1458271.2927333 T 14 CATAB v2.0e-lin.ifort 2018-May-31 16:59:56 2018-Dec-17 23:47

Alternate Designations
 2009 RL12 = 2006 CP30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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