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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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 
[ show covariance matrix ]

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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