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74297 (1998 SZ147)
Classification: Main-belt Asteroid          SPK-ID: 2074297
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 .2011625266193292 5.5278e-08  
a 2.796300879255422 1.7686e-08 au
q 2.233789929196549 1.5324e-07 au
i 8.042616802383561 5.9034e-06 deg
node 187.1380663462122 3.2203e-05 deg
peri 213.4708896149496 3.3903e-05 deg
M 216.4507657550053 1.3112e-05 deg
tp 2459681.540054440214
(2022-Apr-12.04005444)
6.6382e-05 TDB
period 1707.946551494934
4.68
1.6204e-05
4.436e-08
d
yr
n .2107794296518815 1.9997e-09 deg/d
Q 3.358811829314295 2.1244e-08 au
  Orbit Determination Parameters
   # obs. used (total)      792  
   data-arc span      9718 days (26.61 yr)  
   first obs. used      1993-09-18  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57237  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:04:19  

Additional Information
 Earth MOID = 1.24631 au 
 Jupiter MOID = 2.08322 au 
 T_jup = 3.283 
[ 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 14.8   n/a MPO337817  
diameter diameter 5.433 km 0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.086   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74297 (1998 SZ147)          Discovered 1998-Sep-20 by Elst, E. W. at La Silla
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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