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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1701143339739909 4.4114e-08  
a 3.010812205642783 2.8954e-08 au
q 2.498629892559099 1.4013e-07 au
i 3.200057577393133 5.126e-06 deg
node 135.5806731369359 8.5903e-05 deg
peri 270.2349183781956 8.8323e-05 deg
M 268.3997144844263 2.5947e-05 deg
tp 2459486.032443991148
(2021-Sep-28.53244399)
0.0001431 TDB
period 1908.200163929574
5.22
2.7526e-05
7.536e-08
d
yr
n .1886594534499194 2.7214e-09 deg/d
Q 3.522994518726468 3.388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      406  
   data-arc span      8595 days (23.53 yr)  
   first obs. used      1995-12-22  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5951  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:05:30  

Additional Information
 Earth MOID = 1.51068 au 
 Jupiter MOID = 1.87862 au 
 T_jup = 3.225 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456657.5 (2013-Dec-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1758050210762252 4.4699e-08  
q 2.474703872240355 1.4233e-07 au
tp 2457577.583181163134
(2016-Jul-08.08318116)
0.00011762 TDB
node 135.8838928551856 8.6524e-05 deg
peri 269.525218300333 8.8714e-05 deg
i 3.192261782489092 5.1149e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      406  
   data-arc span      8595 days (23.53 yr)  
   first obs. used      1995-12-22  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5951  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:05:30  

Additional Information
 Jupiter MOID = 1.87862 au 
 T_jup = 3.225 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.998013399300806E-15 -6.287036277698945E-15 -1.794521157898904E-12 1.205501104871742E-14 -2.67549430865207E-13 3.883391094504527E-16
q -6.287036277698945E-15 2.025790785139301E-14 7.35488231617796E-12 -4.172223150782895E-14 1.097751460118926E-12 -8.394201339403366E-16
tp -1.794521157898904E-12 7.35488231617796E-12 1.383339947532112E-8 -4.740968794934866E-11 2.321086320763193E-9 1.933379872599776E-12
node 1.205501104871742E-14 -4.172223150782895E-14 -4.740968794934866E-11 7.486369420777106E-9 -7.482313055925869E-9 3.930499313019472E-11
peri -2.67549430865207E-13 1.097751460118926E-12 2.321086320763193E-9 -7.482313055925869E-9 7.870174279196013E-9 -3.892654759688833E-11
i 3.883391094504527E-16 -8.394201339403366E-16 1.933379872599776E-12 3.930499313019472E-11 -3.892654759688833E-11 2.616180165354178E-11

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 15.6   n/a MPO474879  

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

[ show close-approach data ]
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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