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JPL Small-Body Database Browser
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146544 (2001 SE277)
Classification: Main-belt Asteroid          SPK-ID: 2146544
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09310560585687613 1.0967e-07  
a 2.651908214871095 1.9992e-08 au
q 2.405000693848695 2.9102e-07 au
i 26.16689338555124 8.2343e-06 deg
node 300.1859951884943 1.257e-05 deg
peri 59.82770194223657 4.3087e-05 deg
M 44.10685748359885 3.724e-05 deg
tp 2458407.240978898241
(2018-Oct-15.74097890)
0.00016315 TDB
period 1577.37938193634
4.32
1.7838e-05
4.884e-08
d
yr
n .2282266423173831 2.5809e-09 deg/d
Q 2.898815735893496 2.1854e-08 au
  Orbit Determination Parameters
   # obs. used (total)      597  
   data-arc span      6646 days (18.20 yr)  
   first obs. used      2001-09-26  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58567  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 11:36:59  

Additional Information
 Earth MOID = 1.45875 au 
 Jupiter MOID = 2.50743 au 
 T_jup = 3.238 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457246.5 (2015-Aug-12.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09274791869137514 1.1062e-07  
q 2.405254141666827 2.9362e-07 au
tp 2456826.541824210805
(2014-Jun-18.04182421)
0.0001628 TDB
node 300.280717217776 1.2549e-05 deg
peri 58.96379233485853 4.277e-05 deg
i 26.18873684765652 8.2396e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      597  
   data-arc span      6646 days (18.20 yr)  
   first obs. used      2001-09-26  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58567  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 11:36:59  

Additional Information
 Jupiter MOID = 2.50743 au 
 T_jup = 3.238 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.223707610912721E-14 -3.241888808829036E-14 -1.136674692435589E-11 5.338978096210974E-14 -3.229031544383657E-12 -3.470911782060307E-14
q -3.241888808829036E-14 8.621304451575774E-14 2.986405306050422E-11 -1.41455229008354E-13 8.515993523215783E-12 9.495293184428794E-14
tp -1.136674692435589E-11 2.986405306050422E-11 2.65033456113266E-8 -8.437006792325354E-11 6.643935645270557E-9 1.441481639958736E-11
node 5.338978096210974E-14 -1.41455229008354E-13 -8.437006792325354E-11 1.574798505500904E-10 -1.62088546460051E-10 4.072404454695212E-11
peri -3.229031544383657E-12 8.515993523215783E-12 6.643935645270557E-9 -1.62088546460051E-10 1.829257897620534E-9 -3.143215282588895E-11
i -3.470911782060307E-14 9.495293184428794E-14 1.441481639958736E-11 4.072404454695212E-11 -3.143215282588895E-11 6.78909535576499E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO459679  
diameter diameter 7.537 km 1.600 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.037   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

146544 (2001 SE277)          Discovered 2001-Sep-26 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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