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109897 (2001 SZ18)
Classification: Main-belt Asteroid          SPK-ID: 2109897
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2215969761587253 6.9754e-08  
a 2.539776810837292 1.3411e-08 au
q 1.976969949437697 1.7974e-07 au
i 6.638514127339983 9.4427e-06 deg
node 14.36053003585968 5.6117e-05 deg
peri 267.8825076493594 6.2336e-05 deg
M 278.7998283402871 2.4686e-05 deg
tp 2459333.961887319011
(2021-Apr-29.46188732)
0.00010094 TDB
period 1478.39933070492
4.05
1.171e-05
3.206e-08
d
yr
n .2435066037457872 1.9287e-09 deg/d
Q 3.102583672236887 1.6382e-08 au
  Orbit Determination Parameters
   # obs. used (total)      546  
   data-arc span      7266 days (19.89 yr)  
   first obs. used      2000-03-11  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54294  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:35:11  

Additional Information
 Earth MOID = .974415 au 
 Jupiter MOID = 2.10335 au 
 T_jup = 3.402 
[ 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 15.8   n/a MPO432620  

109897 (2001 SZ18)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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