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52880 (1998 SW52)
Classification: Main-belt Asteroid          SPK-ID: 2052880
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07575576861338684 3.1864e-08  
a 2.304230793854259 7.9971e-09 au
q 2.129672019003195 7.4389e-08 au
i 5.665416912441028 5.0878e-06 deg
node 218.6577167811525 3.7021e-05 deg
peri 239.5048254245965 5.1975e-05 deg
M 58.09230500526452 3.5685e-05 deg
tp 2458994.340430151930
(2020-May-24.84043015)
0.00012654 TDB
period 1277.577901902489
3.50
6.651e-06
1.821e-08
d
yr
n .2817832082598725 1.4669e-09 deg/d
Q 2.478789568705323 8.6029e-09 au
  Orbit Determination Parameters
   # obs. used (total)      949  
   data-arc span      10201 days (27.93 yr)  
   first obs. used      1993-04-18  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56517  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:20:19  

Additional Information
 Earth MOID = 1.15259 au 
 Jupiter MOID = 2.63662 au 
 T_jup = 3.579 
[ 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 15.84   n/a MPCxxxxx  
diameter diameter 1.557 km 0.348 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.349   0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52880 (1998 SW52)          Discovered 1998-Sep-30 by Spacewatch at Kitt Peak
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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