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66100 (1998 SG17)
Classification: Main-belt Asteroid          SPK-ID: 2066100
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2036310056046396 3.9073e-08  
a 3.16460770669677 1.8005e-08 au
q 2.520195457037914 1.284e-07 au
i 2.282110404165851 3.7133e-06 deg
node 90.28990670872685 0.00011329 deg
peri 213.0456962607645 0.00011381 deg
M 28.86579239310415 9.468e-06 deg
tp 2459035.623320697387
(2020-Jul-05.12332070)
5.4422e-05 TDB
period 2056.261049085913
5.63
1.7548e-05
4.804e-08
d
yr
n .1750750470909488 1.4941e-09 deg/d
Q 3.809019956355625 2.1671e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1041  
   data-arc span      10852 days (29.71 yr)  
   first obs. used      1991-04-22  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54973  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:19:30  

Additional Information
 Earth MOID = 1.5033 au 
 Jupiter MOID = 1.44272 au 
 T_jup = 3.170 
[ 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 14.56   n/a E2021B10  

66100 (1998 SG17)          Discovered 1998-Sep-17 by Spacewatch at Kitt Peak
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SG17 = 2000 AO222 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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