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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1082617145925794 3.6365e-08  
a 2.203322009727244 8.6685e-09 au
q 1.964786591154605 8.344e-08 au
i 4.392468324642106 4.8802e-06 deg
node 189.0482154320411 4.657e-05 deg
peri 64.77771426952761 5.3293e-05 deg
M 329.7155029456216 2.3277e-05 deg
tp 2459100.992407523142
(2020-Sep-08.49240752)
7.717e-05 TDB
period 1194.580403411416
3.27
7.0497e-06
1.93e-08
d
yr
n .3013610460810607 1.7785e-09 deg/d
Q 2.441857428299883 9.6069e-09 au
  Orbit Determination Parameters
   # obs. used (total)      493  
   data-arc span      9012 days (24.67 yr)  
   first obs. used      1995-10-18  
   last obs. used      2020-06-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54772  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:53:58  

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 16.83   n/a E2021B55  

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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