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59009 (1998 SZ65)
Classification: Main-belt Asteroid          SPK-ID: 2059009
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08919798407633941 3.2704e-08  
a 2.330110016413782 8.4788e-09 au
q 2.122268900273586 7.4284e-08 au
i 7.726177994512414 4.0863e-06 deg
node 53.33819515744192 3.7143e-05 deg
peri 200.8495048854012 4.9715e-05 deg
M 152.7904364299061 3.4461e-05 deg
tp 2458449.112726894772
(2018-Nov-26.61272689)
0.00012397 TDB
period 1299.161275770983
3.56
7.091e-06
1.941e-08
d
yr
n .2771018554154174 1.5125e-09 deg/d
Q 2.537951132553978 9.235e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1001  
   data-arc span      8651 days (23.69 yr)  
   first obs. used      1997-03-05  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5541  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:57:26  

Additional Information
 Earth MOID = 1.10991 au 
 Jupiter MOID = 2.48231 au 
 T_jup = 3.554 
[ 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 15.3   n/a MPO280106  

59009 (1998 SZ65)          Discovered 1998-Sep-20 by Elst, E. W. at La Silla
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1945-Jul-05 22:53 00:03 Psych 0.0491203287723141 0.0491178993339656 0.049122759989502 3.37404381438838 3.3740437413853 2431642.453794851 2.59169260151918 493.119097019118 27.4767338679293 -76.1449879514334 259350.322193931 T 22 CATAB v2.0f-lin.ifort 2020-Dec-18 03:57:29 2020-Dec-18 03:57

Alternate Designations
 1998 SZ65 = 1998 UK38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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