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249911 (2001 SN166)
Classification: Main-belt Asteroid          SPK-ID: 2249911
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2795438298468991 4.0867e-08  
a 2.764761464392379 1.8055e-08 au
q 1.991889456023012 1.182e-07 au
i 8.346042717751395 5.1875e-06 deg
node 177.9474329879804 2.9411e-05 deg
peri 256.9276119331987 3.1129e-05 deg
M 251.7083435842118 9.6667e-06 deg
tp 2459105.600064723834
(2020-Sep-13.10006472)
4.8105e-05 TDB
period 1679.132347947627
4.60
1.6449e-05
4.503e-08
d
yr
n .2143964413764176 2.1002e-09 deg/d
Q 3.537633472761745 2.3103e-08 au
  Orbit Determination Parameters
   # obs. used (total)      415  
   data-arc span      6618 days (18.12 yr)  
   first obs. used      2001-09-11  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53922  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:48:26  

Additional Information
 Earth MOID = 1.02589 au 
 Jupiter MOID = 1.85574 au 
 T_jup = 3.267 
[ 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 16.0   n/a MPO454853  

249911 (2001 SN166)          Discovered 2001-Sep-19 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ 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
1912-Aug-10 03:22 00:03 Jupiter 1.86158719667066 1.86158664213671 1.86158775517917 0.97955272474668 0.222538027888607 2419624.639951241 3.09688805505035 48257.956708276 928.526800143404 24.5312732410192 12624725.8138192 T 15 CATAB v2.0f-lin.ifort 2019-Nov-08 02:48:27 2019-Nov-08 02:48
1972-Dec-06 19:12 00:01 Jupiter 1.93168335249712 1.93168259437756 1.93168411061294 1.25961658218884 0.84241040956595 2441658.299835971 1.37711745616721 656.468324564997 154.556443993109 4.26563654788345 745025.731904285 T 15 CATAB v2.0f-lin.ifort 2019-Nov-08 02:48:27 2019-Nov-08 02:48
1995-Apr-07 03:49 < 00:01 Jupiter 1.91112939480755 1.91112886072874 1.91112992889146 1.2970618922139 0.89216541104976 2449814.659153807 0.650552043507514 509.111835694633 84.4146910606133 38.7712606542423 3458341.81040622 T 15 CATAB v2.0f-lin.ifort 2019-Nov-08 02:48:27 2019-Nov-08 02:48
2055-Jul-31 09:47 00:01 Jupiter 1.87479897158658 1.87479842439391 1.87479951877935 0.820218509727305 n/a 2471844.907305347 1.23972094430073 48.5158354073543 23.0444114543027 69.9864874377017 11602514.7925912 F 15 CATAB v2.0f-lin.ifort 2019-Nov-08 02:48:27 2019-Nov-08 02:48
2077-Dec-04 06:23 00:02 Jupiter 1.9968754598972 1.99687450822317 1.99687641156986 1.69311665888785 1.42066750379282 2480006.765935684 1.88076961781714 125.140655788134 115.092974057133 -86.3219664532623 874217.265972255 T 15 CATAB v2.0f-lin.ifort 2019-Nov-08 02:48:27 2019-Nov-08 02:48
2138-Mar-28 14:51 00:04 Jupiter 1.85411576230169 1.8541152472045 1.85411627739939 0.713358563845825 n/a 2502035.118563547 3.6964996861745 106.510852038142 22.6916041733702 83.3587202611955 12142094.1421105 F 15 CATAB v2.0f-lin.ifort 2019-Nov-08 02:48:27 2019-Nov-08 02:48
2198-Jul-27 01:11 00:06 Jupiter 1.93421139852964 1.93420939273949 1.93421340433012 1.62201228224659 1.32479863875405 2524070.549304532 5.60757187146205 713.463505419227 108.731690977112 -36.8863691914241 787618.092373843 T 15 CATAB v2.0f-lin.ifort 2019-Nov-08 02:48:27 2019-Nov-08 02:48
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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