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52882 (1998 ST53)
Classification: Main-belt Asteroid          SPK-ID: 2052882
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2412756541216149 3.1937e-08  
a 2.534596311856444 9.5362e-09 au
q 1.923059928779048 8.1445e-08 au
i 6.968839638186061 8.4378e-06 deg
node 334.7239018747996 2.1922e-05 deg
peri 79.2159661713752 3.1681e-05 deg
M 98.09787326410448 2.2359e-05 deg
tp 2458598.876870345174
(2019-Apr-25.37687035)
9.0628e-05 TDB
period 1473.878299955389
4.04
8.318e-06
2.277e-08
d
yr
n .2442535452288676 1.3785e-09 deg/d
Q 3.146132694933841 1.1837e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1535  
   data-arc span      12255 days (33.55 yr)  
   first obs. used      1986-10-09  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52473  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:28:21  

Additional Information
 Earth MOID = .948578 au 
 Jupiter MOID = 2.2902 au 
 T_jup = 3.398 
[ 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 14.9   n/a MPO452889  
diameter diameter 6.330 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52882 (1998 ST53)          Discovered 1998-Sep-16 by LONEOS at Anderson Mesa
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 ST53 = 1986 TM4 = 1990 SC = 2004 EV21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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