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266793 (2009 SQ277)
Classification: Main-belt Asteroid          SPK-ID: 2266793
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1143901559259211 4.4912e-08  
a 3.105286206998311 2.9813e-08 au
q 2.750072033585163 1.5144e-07 au
i 11.27849833428228 4.9916e-06 deg
node 176.1750972202003 2.2478e-05 deg
peri 259.2667562845964 3.0821e-05 deg
M 288.2845498851325 2.0083e-05 deg
tp 2459398.663188941065
(2021-Jul-03.16318894)
0.00011255 TDB
period 1998.715029874261
5.47
2.8784e-05
7.881e-08
d
yr
n .180115721660755 2.5939e-09 deg/d
Q 3.46050038041146 3.3223e-08 au
  Orbit Determination Parameters
   # obs. used (total)      439  
   data-arc span      9372 days (25.66 yr)  
   first obs. used      1995-02-26  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53459  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:23:25  

Additional Information
 Earth MOID = 1.79289 au 
 Jupiter MOID = 1.89517 au 
 T_jup = 3.181 
[ 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 15.2   n/a MPO440312  

266793 (2009 SQ277)          Discovered 2009-Sep-25 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
1927-Mar-01 10:17 00:04 Jupiter 1.96724852794458 1.96724776322892 1.96724929267243 4.51869707028467 4.42238613838291 2424940.928370785 3.79295589022875 310.355521378823 20.3236949851611 85.7711486317772 3002458.83705404 T 20 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:27 2020-Nov-11 22:23
1937-Mar-05 14:50 00:04 Jupiter 1.97845108804269 1.97845041363851 1.97845176244721 2.40752611246391 2.22259619784448 2428598.118307987 3.86618853505674 66.2419167826723 32.9374417846681 -40.9664529168886 1742040.47201737 T 20 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:27 2020-Nov-11 22:23
1998-Apr-03 15:15 < 00:01 Jupiter 1.94958916616103 1.94958867318931 1.94958965913285 4.39970796260836 4.29982628090476 2450907.135263738 0.847127193931597 85.5742856989851 20.2183885797293 84.7527873918479 2977590.0278988 T 20 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:27 2020-Nov-11 22:23
2008-Apr-03 16:46 < 00:01 Jupiter 1.97474787921128 1.97474730568695 1.97474845273572 2.34589326609679 2.15531004401711 2454560.198426734 0.520634913940168 50.8383461304529 16.9279650770217 -66.3742806010987 2912245.1855677 T 20 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:27 2020-Nov-11 22:23
2069-May-05 19:03 00:02 Jupiter 1.92834277971612 1.92834229446424 1.92834326496866 4.27428741160467 4.1702559877504 2476872.293547025 2.1931314529837 177.212940236744 20.0059218484986 88.9280992481709 2825541.63462848 T 20 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:27 2020-Nov-11 22:23
2079-May-03 10:54 00:03 Jupiter 1.97565571774161 1.97565508316679 1.97565635231653 2.30368362429174 2.10938346568965 2480521.954470252 3.05299985362107 50.7150487648705 45.3655019807375 -71.4748413329242 2177099.95570844 T 20 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:27 2020-Nov-11 22:23
2140-Jun-07 21:28 00:05 Jupiter 1.91169619906035 1.91169558083274 1.91169681730362 4.15997514923459 4.05206683373359 2502837.394719522 5.22506386081646 412.060243470375 19.7354366682492 89.0143613576285 2711836.82145804 T 20 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:27 2020-Nov-11 22:23
2150-Jun-02 05:00 00:07 Jupiter 1.97980319469234 1.9798022206608 1.97980416872457 2.27966003413836 2.08355142062918 2506483.708180977 6.50512049874945 104.14459445478 47.0864028601307 48.6679949117801 2517209.3081983 T 20 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:27 2020-Nov-11 22:23

Alternate Designations
 2009 SQ277 = 1998 SK154 = 2006 GU13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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