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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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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