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JPL Small-Body Database Browser
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266801 (2009 SR338)
Classification: Main-belt Asteroid          SPK-ID: 2266801
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 .1548972147726365 1.0762e-07  
a 3.07825723563144 5.5415e-08 au
q 2.601443763478415 3.5075e-07 au
i 11.06757644753492 1.0652e-05 deg
node 298.3877208709742 3.6865e-05 deg
peri 50.6712556206392 4.8266e-05 deg
M 298.6312157450296 3.0874e-05 deg
tp 2458936.779822384766
(2020-Mar-28.27982238)
0.00017411 TDB
period 1972.676133774165
5.40
5.3268e-05
1.458e-07
d
yr
n .1824932100289775 4.9278e-09 deg/d
Q 3.555070707784465 6.3998e-08 au
  Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      7752 days (21.22 yr)  
   first obs. used      1998-08-27  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58226  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 17:22:40  

Additional Information
 Earth MOID = 1.60962 au 
 Jupiter MOID = 1.90323 au 
 T_jup = 3.182 
[ 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 15.5   n/a MPO476122  

266801 (2009 SR338)          Discovered 2009-Sep-18 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
1919-Aug-31 12:49 00:07 Jupiter 1.91665716857649 1.91665545856143 1.91665887866553 3.98137793840153 3.86878744915198 2422202.034105728 7.25802827790272 719.292108577625 38.9800867773003 -85.070785797685 1259080.74779112 T 14 CATAB v2.0f-lin.ifort 2019-Dec-14 17:22:42 2019-Dec-14 17:22
1978-Dec-20 01:18 00:03 Jupiter 1.92362709892346 1.92362585649705 1.9236283413607 4.00238880504172 3.8908179958884 2443862.553954585 2.73684506832034 339.182034826092 36.9434364053614 -83.1331814307694 1271112.18827183 T 14 CATAB v2.0f-lin.ifort 2019-Dec-14 17:22:42 2019-Dec-14 17:22
2038-Apr-08 23:13 00:02 Jupiter 1.93135444135842 1.93135338826094 1.93135549445842 4.02547368165756 3.91501090363809 2465522.467237514 1.84773824203235 238.855322245204 38.6679494225731 -83.2520187700189 1405407.43925492 T 14 CATAB v2.0f-lin.ifort 2019-Dec-14 17:22:42 2019-Dec-14 17:22
2097-Jul-27 14:49 00:06 Jupiter 1.93966706870975 1.93966575780323 1.93966837964835 4.04988467898173 3.94058332511657 2487182.117236420 6.35663152851597 558.02650478825 39.6975280405931 -85.8188312562894 1320030.72177871 T 14 CATAB v2.0f-lin.ifort 2019-Dec-14 17:22:42 2019-Dec-14 17:22
2156-Nov-15 08:32 00:11 Jupiter 1.94829672894601 1.94829488015484 1.94829857786531 4.07447500745827 3.96633912567888 2508841.855693863 10.8665968817841 916.874545706371 39.1659296135977 -85.8820766645286 1301609.34832687 T 14 CATAB v2.0f-lin.ifort 2019-Dec-14 17:22:42 2019-Dec-14 17:22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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