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109979 (2001 SB55)
Classification: Main-belt Asteroid          SPK-ID: 2109979
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1320196820873719 4.6415e-08  
a 3.115564496997787 2.0777e-08 au
q 2.704248662581437 1.4588e-07 au
i 9.750278054639525 5.3259e-06 deg
node 167.9948238479783 2.4533e-05 deg
peri 178.268551339605 2.93e-05 deg
M 167.5354167626463 1.6574e-05 deg
tp 2458065.723736756546
(2017-Nov-08.22373676)
8.9259e-05 TDB
period 2008.646656750812
5.50
2.0093e-05
5.501e-08
d
yr
n .179225150819874 1.7928e-09 deg/d
Q 3.526880331414138 2.352e-08 au
  Orbit Determination Parameters
   # obs. used (total)      675  
   data-arc span      9366 days (25.64 yr)  
   first obs. used      1994-06-14  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58645  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:36:52  

Additional Information
 Earth MOID = 1.69729 au 
 Jupiter MOID = 1.90295 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 14.8   n/a MPO453561  

109979 (2001 SB55)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
1921-Nov-05 13:26 00:03 Jupiter 1.98605579853517 1.98605484825337 1.98605674882353 3.40945799653828 3.28198633833816 2422999.059989300 2.8157499526126 210.96308999218 18.202786542066 -79.5071779707533 3046419.48255013 T 18 CATAB v2.0f-lin.ifort 2020-Feb-24 03:36:54 2020-Feb-24 03:37
1932-Jan-28 01:56 00:03 Jupiter 1.91036326009248 1.91036274681163 1.91036377337409 2.88044734271657 2.72217026935159 2426734.580732536 2.63317838949194 141.543873192941 19.8757295695423 83.4775592119364 2525864.22236316 T 18 CATAB v2.0f-lin.ifort 2020-Feb-24 03:36:54 2020-Feb-24 03:37
2003-Nov-22 03:36 < 00:01 Jupiter 1.90263502687757 1.90263457562023 1.9026354781349 3.12142710774874 2.97538894146092 2452965.650191853 0.446464545349517 58.3132988432889 18.4508224212443 -85.6483382712692 2656596.85944911 T 18 CATAB v2.0f-lin.ifort 2020-Feb-24 03:36:54 2020-Feb-24 03:37
2075-Sep-10 13:28 00:02 Jupiter 1.93518377656236 1.93518328477925 1.93518426834624 3.28615239930162 3.15014368930327 2479191.061257546 1.74189900290769 134.317580633431 18.3117214760657 -85.6537236664549 2818496.9401462 T 18 CATAB v2.0f-lin.ifort 2020-Feb-24 03:36:54 2020-Feb-24 03:37
2085-Nov-25 16:06 00:02 Jupiter 1.95021493722489 1.95021434769834 1.95021552675199 2.90903864761964 2.75569602047062 2482920.171085691 2.21405161288625 92.1690828376768 20.6491388375704 78.0298556645198 2922911.22277748 T 18 CATAB v2.0f-lin.ifort 2020-Feb-24 03:36:54 2020-Feb-24 03:37
2157-Sep-25 14:57 00:04 Jupiter 1.90681765047313 1.90681707909328 1.90681822185808 3.07485471645308 2.92682707415901 2509156.123232629 4.29253648980046 257.480256413992 19.497789756664 84.8130211963868 2676915.20918531 T 18 CATAB v2.0f-lin.ifort 2020-Feb-24 03:36:54 2020-Feb-24 03:37
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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