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120893 (1998 SN8)
Classification: Main-belt Asteroid          SPK-ID: 2120893
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1082617159895052 3.6796e-08  
a 2.203322010057359 8.7527e-09 au
q 1.964786588371103 8.42e-08 au
i 4.392468212128922 4.9593e-06 deg
node 189.0482161790287 4.8707e-05 deg
peri 64.77771392244181 5.5122e-05 deg
M 329.7155022800101 2.3399e-05 deg
tp 2459100.992409754411
(2020-Sep-08.49240975)		 7.7585e-05 TDB
period 1194.580403679885
3.27		 7.1182e-06
1.949e-08		 d
yr
n .3013610460133332 1.7957e-09 deg/d
Q 2.441857431743614 9.7002e-09 au
   Orbit Determination Parameters
   # obs. used (total)      462  
   data-arc span      8958 days (24.53 yr)  
   first obs. used      1995-10-18  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54897  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:41:02  

Additional Information
 Earth MOID = .955267 au 
 Jupiter MOID = 2.58441 au 
 T_jup = 3.652 
[ 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 16.7   n/a MPO412814  

120893 (1998 SN8)          Discovered 1998-Sep-20 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 1998 SN8 = 1995 UR30 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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