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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1667449636776482 6.1227e-08  
a 3.081896376075677 3.2058e-08 au
q 2.568005676788663 1.7738e-07 au
i 5.885623760779405 6.9498e-06 deg
node 181.6260450168263 4.2751e-05 deg
peri 191.3710246741457 4.5873e-05 deg
M 349.3806519088273 1.3846e-05 deg
tp 2459058.793593893406
(2020-Jul-28.29359389)
7.5822e-05 TDB
period 1976.175337831751
5.41
3.0834e-05
8.442e-08
d
yr
n .1821700701897181 2.8424e-09 deg/d
Q 3.595787075362691 3.7403e-08 au
  Orbit Determination Parameters
   # obs. used (total)      347  
   data-arc span      7135 days (19.53 yr)  
   first obs. used      2001-04-13  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51026  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:23:49  

Additional Information
 Earth MOID = 1.56866 au 
 Jupiter MOID = 1.86728 au 
 T_jup = 3.198 
[ 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 02:52 00:05 Jupiter 1.89694978050013 1.89694901042705 1.89695055057914 2.36720998302866 2.17040244979467 2418446.619126273 4.83120243772472 259.944756517511 22.251053260907 85.1693599906039 1891735.91896881 T 16 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:50 2020-Nov-11 22:23
1959-Feb-14 02:56 00:03 Jupiter 1.96489479898727 1.96489388679825 1.96489571117763 2.60938031183048 2.43858771081571 2436613.621960200 2.51733883619713 115.503402982892 16.1939811856496 -78.3693713157418 2378557.17199348 T 16 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:50 2020-Nov-11 22:23
1968-Nov-30 11:57 00:02 Jupiter 1.88125976797985 1.88125921490896 1.88126032105052 2.35758571428566 2.15817655033606 2440190.998194426 2.07298550744929 131.828928142957 23.16195292025 89.8206209208096 1783075.64439064 T 16 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:50 2020-Nov-11 22:23
2018-Aug-27 06:08 < 00:01 Jupiter 1.98870195925174 1.98870146243177 1.98870245607181 2.66736701969381 2.5026011011011 2458357.755811996 0.403580135452431 62.2269353949649 13.4436312141478 -82.2523860282625 2659490.4402412 T 16 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:50 2020-Nov-11 22:23
2028-Jun-11 17:38 < 00:01 Jupiter 1.86865969740693 1.8686589605013 1.86866043431234 2.35020129117068 2.14869493192851 2461934.234878749 0.747430746346246 61.1581075609412 27.3044319782127 88.2492899732892 1662711.34358841 T 16 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:50 2020-Nov-11 22:23
2087-Dec-22 05:28 00:03 Jupiter 1.85934350341292 1.85934260174491 1.85934440508526 2.34169155472408 2.13832197338089 2483676.727625324 3.42952513478925 205.184136750235 26.586702418657 85.0914572094106 1737896.85331352 T 16 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:50 2020-Nov-11 22:23
2147-Jul-03 09:15 00:06 Jupiter 1.85346562355572 1.85346471783595 1.85346652929224 2.33000877713015 2.12484189223349 2505418.885407050 6.14884693947456 374.592491088769 26.1131798392936 87.6272755350354 1728480.04316685 T 16 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:50 2020-Nov-11 22:23

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