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JPL Small-Body Database Browser
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52897 (1998 SE66)
Classification: Main-belt Asteroid          SPK-ID: 2052897
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1392928055834242 4.408e-08  
a 2.39729489584745 1.202e-08 au
q 2.063368963994036 1.0956e-07 au
i 11.14028113291693 4.6657e-06 deg
node 41.08210419626303 2.3645e-05 deg
peri 259.332734148626 2.8575e-05 deg
M 260.6832054613294 1.7559e-05 deg
tp 2458974.525154824033
(2020-May-05.02515482)
6.6978e-05 TDB
period 1355.75313683955
3.71
1.0196e-05
2.792e-08
d
yr
n .2655350669807118 1.997e-09 deg/d
Q 2.731220827700864 1.3694e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1305  
   data-arc span      23073 days (63.17 yr)  
   first obs. used      1956-03-10  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50499  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:48:04  

Additional Information
 Earth MOID = 1.08206 au 
 Jupiter MOID = 2.50566 au 
 T_jup = 3.489 
[ 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 14.2   n/a MPO337680  
diameter diameter 7.075 km 2.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.050   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

52897 (1998 SE66)          Discovered 1998-Sep-20 by Elst, E. W. at La Silla
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SE66 = 1999 XJ180 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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