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100401 (1995 YS17)
Classification: Main-belt Asteroid          SPK-ID: 2100401
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1695263459730823 4.2894e-08  
a 3.007341495862394 2.2894e-08 au
q 2.497517880975618 1.3859e-07 au
i 3.202629892305536 5.014e-06 deg
node 135.5756708558259 6.9264e-05 deg
peri 270.573790919269 7.2086e-05 deg
M 305.7722334573571 2.4392e-05 deg
tp 2459487.440442692774
(2021-Sep-29.94044269)		 0.00013153 TDB
period 1904.901602174012
5.22		 2.1752e-05
5.955e-08		 d
yr
n .1889861395408256 2.1581e-09 deg/d
Q 3.517165110749168 2.6775e-08 au
   Orbit Determination Parameters
   # obs. used (total)      465  
   data-arc span      9084 days (24.87 yr)  
   first obs. used      1995-12-22  
   last obs. used      2020-11-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59761  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:32:00  

Additional Information
 Earth MOID = 1.50874 au 
 Jupiter MOID = 1.8839 au 
 T_jup = 3.226 
[ 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 15.72   n/a E2021B55  

100401 (1995 YS17)          Discovered 1995-Dec-22 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1995 YS17 = 2000 SU330 = 2002 CE203 = 2002 CO312 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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