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JPL Small-Body Database Browser
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109961 (2001 SE49)
Classification: Main-belt Asteroid          SPK-ID: 2109961
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1524495157938992 5.3989e-08  
a 3.073952895530724 2.3101e-08 au
q 2.605330265033811 1.7182e-07 au
i 5.278145985436258 5.0275e-06 deg
node 94.75749205483321 6.6296e-05 deg
peri 252.7038667479789 6.857e-05 deg
M 109.4204517391949 1.6888e-05 deg
tp 2458002.170739696022
(2017-Sep-05.67073970)
9.1393e-05 TDB
period 1968.539978457022
5.39
2.2191e-05
6.076e-08
d
yr
n .1828766517011124 2.0615e-09 deg/d
Q 3.542575526027638 2.6623e-08 au
  Orbit Determination Parameters
   # obs. used (total)      629  
   data-arc span      8073 days (22.10 yr)  
   first obs. used      1996-12-01  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56881  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:43:44  

Additional Information
 Earth MOID = 1.60378 au 
 Jupiter MOID = 1.88693 au 
 T_jup = 3.206 
[ 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 MPO345031  
diameter diameter 6.115 km 0.250 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109961 (2001 SE49)          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
1944-Sep-08 05:01 00:02 Jupiter 1.90213108741661 1.90213050200027 1.9021316728337 2.18068536834729 1.96590563122131 2431341.709116194 2.40846395992411 141.112023710824 6.07323983420878 -80.9235451015162 2197763.2098233 T 21 CATAB v2.0e-lin.ifort 2019-Jul-13 11:43:47 2019-Jul-13 11:43
1954-Jun-06 10:45 00:02 Jupiter 1.96860338065018 1.96860274712664 1.96860401417361 3.24552237943599 3.11012606032962 2434899.947673992 1.98215486062445 62.3394729916972 20.5724794128608 87.6108078241965 1906478.63258394 T 21 CATAB v2.0e-lin.ifort 2019-Jul-13 11:43:47 2019-Jul-13 11:43
2004-Jan-05 23:02 < 00:01 Jupiter 1.90195499856297 1.90195448286038 1.90195551426533 2.17186184684962 1.95609245745388 2453010.460040847 0.453822345076958 67.4981234133511 5.03851550168746 -78.253941462854 2213282.29591069 T 21 CATAB v2.0e-lin.ifort 2019-Jul-13 11:43:47 2019-Jul-13 11:43
2013-Oct-03 15:16 < 00:01 Jupiter 1.97692955778576 1.97692904537945 1.97693007019206 3.28251790589293 3.14928828046865 2456569.136261299 0.266023809689395 56.0836625211215 18.6986619853298 -87.5543760866763 2683541.02547901 T 21 CATAB v2.0e-lin.ifort 2019-Jul-13 11:43:47 2019-Jul-13 11:43
2063-May-04 20:41 00:02 Jupiter 1.90228389408926 1.90228333970302 1.90228444847561 2.16499836529219 1.94850859307398 2474679.361510632 1.73583181542751 110.806552606484 7.33303848864196 -82.7102283671752 2172500.48293809 T 21 CATAB v2.0e-lin.ifort 2019-Jul-13 11:43:47 2019-Jul-13 11:43
2073-Jan-31 01:56 00:02 Jupiter 1.98540548813646 1.98540476515659 1.98540621111622 3.31941047423202 3.1882968815809 2478238.580493481 2.03704336568333 63.2794814511268 24.1299360012417 84.1369471013442 1843226.78627102 T 21 CATAB v2.0e-lin.ifort 2019-Jul-13 11:43:47 2019-Jul-13 11:43
2122-Sep-02 05:17 00:04 Jupiter 1.90315122138546 1.9031505856303 1.90315185714348 2.15983757880967 1.94287725463983 2496348.720332818 3.77167955795081 208.086653313654 7.23276271767345 -83.6790120616931 2190649.80853679 T 21 CATAB v2.0e-lin.ifort 2019-Jul-13 11:43:47 2019-Jul-13 11:43
2132-Jun-01 01:43 00:04 Jupiter 1.99383325908049 1.99383217303364 1.99383434512744 3.35470988099306 3.22559081532716 2499908.571218579 4.00740905232448 84.3717511113332 28.0113750507745 74.4115830884612 1416954.4682808 T 21 CATAB v2.0e-lin.ifort 2019-Jul-13 11:43:47 2019-Jul-13 11:43
2181-Dec-31 08:52 00:06 Jupiter 1.90461723848514 1.90461652430167 1.90461795267771 2.15629700134049 1.93911721242264 2518018.869697889 5.81421335658451 312.576382702827 6.98565556058463 -84.004444385815 2208172.06396694 T 21 CATAB v2.0e-lin.ifort 2019-Jul-13 11:43:47 2019-Jul-13 11:43
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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