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59992 (1999 SZ18)
Classification: Main-belt Asteroid          SPK-ID: 2059992
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1100708865930874 4.4953e-08  
a 2.966227150825326 2.1548e-08 au
q 2.639731898497494 1.3561e-07 au
i 11.68962568660509 4.4298e-06 deg
node 79.22023941423006 2.4862e-05 deg
peri 268.0907476775449 3.1867e-05 deg
M 32.23210320745054 1.9949e-05 deg
tp 2458833.432805457012
(2019-Dec-15.93280546)
0.00010323 TDB
period 1865.97162612625
5.11
2.0333e-05
5.567e-08
d
yr
n .1929289786401301 2.1022e-09 deg/d
Q 3.292722403153156 2.3919e-08 au
  Orbit Determination Parameters
   # obs. used (total)      859  
   data-arc span      7351 days (20.13 yr)  
   first obs. used      1999-09-13  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53368  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 07:23:42  

Additional Information
 Earth MOID = 1.6659 au 
 Jupiter MOID = 2.13733 au 
 T_jup = 3.224 
[ 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 14.2   n/a MPO432154  

59992 (1999 SZ18)          Discovered 1999-Sep-30 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 SZ18 = 2001 AJ24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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