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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1390863082001851 1.9992e-08  
a 2.397325905709406 8.1193e-09 au
q 2.063890695931619 4.6521e-08 au
i 11.13699347406696 2.0231e-06 deg
node 41.05225838728136 4.1624e-06 deg
peri 259.0653429906375 1.1499e-05 deg
M 60.23002275297618 8.2553e-06 deg
tp 2458973.670481448036
(2020-May-04.17048145)
3.113e-05 TDB
period 1355.779442648014
3.71
6.8876e-06
1.886e-08
d
yr
n .2655299148782438 1.3489e-09 deg/d
Q 2.730761115487192 9.2486e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1895  
   data-arc span      23715 days (64.93 yr)  
   first obs. used      1956-03-10  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47519  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:48:55  

Additional Information
 Earth MOID = 1.08125 au 
 Jupiter MOID = 2.50418 au 
 T_jup = 3.490 
[ 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 14.29   n/a MPCxxxxx  
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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