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JPL Small-Body Database Browser
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52878 (1998 SU45)
Classification: Main-belt Asteroid          SPK-ID: 2052878
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1199287683941197 4.1071e-08  
a 2.356928295724011 1.0194e-08 au
q 2.074264788024578 1.0058e-07 au
i 4.087938825440191 4.2998e-06 deg
node 169.6093095662453 5.8105e-05 deg
peri 124.3577443417374 6.1577e-05 deg
M 58.21247537413195 1.9342e-05 deg
tp 2458786.786700817822
(2019-Oct-30.28670082)
7.0971e-05 TDB
period 1321.654631779714
3.62
8.5742e-06
2.347e-08
d
yr
n .2723858346527573 1.7671e-09 deg/d
Q 2.639591803423443 1.1416e-08 au
  Orbit Determination Parameters
   # obs. used (total)      592  
   data-arc span      8203 days (22.46 yr)  
   first obs. used      1997-04-03  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58667  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:37:24  

Additional Information
 Earth MOID = 1.06164 au 
 Jupiter MOID = 2.52391 au 
 T_jup = 3.541 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO436154  

52878 (1998 SU45)          Discovered 1998-Sep-25 by Spacewatch at Kitt Peak
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SU45 = 1997 GZ15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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