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100330 (1995 QY8)
Classification: Main-belt Asteroid          SPK-ID: 2100330
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03388144598883072 4.7486e-08  
a 3.118696441995383 3.4604e-08 au
q 3.013030496940358 1.5244e-07 au
i 10.01406427327546 4.718e-06 deg
node 174.5000303541705 3.618e-05 deg
peri 325.8928277676234 9.6697e-05 deg
M 2.50750989873751 8.8377e-05 deg
tp 2458986.488060952798
(2020-May-16.98806095)
0.00049387 TDB
period 2011.676228888434
5.51
3.3481e-05
9.167e-08
d
yr
n .1789552388352874 2.9784e-09 deg/d
Q 3.224362387050408 3.5776e-08 au
  Orbit Determination Parameters
   # obs. used (total)      351  
   data-arc span      8976 days (24.57 yr)  
   first obs. used      1995-08-28  
   last obs. used      2020-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59821  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:06:46  

Additional Information
 Earth MOID = 2.02886 au 
 Jupiter MOID = 1.76177 au 
 T_jup = 3.192 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457225.5 (2015-Jul-22.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03524875555118324 4.7163e-08  
q 3.008396545320659 1.5204e-07 au
tp 2456981.837154374823
(2014-Nov-20.33715437)
0.00048148 TDB
node 174.5220075901745 3.6175e-05 deg
peri 327.0500556942069 9.3909e-05 deg
i 10.01486661532432 4.7187e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      351  
   data-arc span      8976 days (24.57 yr)  
   first obs. used      1995-08-28  
   last obs. used      2020-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59821  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:06:46  

Additional Information
 Jupiter MOID = 1.76177 au 
 T_jup = 3.192 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.224349371899421E-15 -6.997286413089368E-15 -5.693729444795698E-12 -2.174684525945493E-14 -1.05028999339606E-12 3.158978063988443E-16
q -6.997286413089368E-15 2.311473691141692E-14 1.509909102997093E-11 7.144626780396702E-14 2.812193503511588E-12 5.569177657759862E-16
tp -5.693729444795698E-12 1.509909102997093E-11 2.318200316861878E-7 2.288644472571815E-11 4.17987061649825E-8 -2.626079788507442E-11
node -2.174684525945493E-14 7.144626780396702E-14 2.288644472571815E-11 1.308639233290687E-9 -1.283254326764538E-9 -6.102628167918903E-13
peri -1.05028999339606E-12 2.812193503511588E-12 4.17987061649825E-8 -1.283254326764538E-9 8.818897842199248E-9 -4.114032606659538E-12
i 3.158978063988443E-16 5.569177657759862E-16 -2.626079788507442E-11 -6.102628167918903E-13 -4.114032606659538E-12 2.226586855297606E-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 15.3   n/a MPO417506  

100330 (1995 QY8)          Discovered 1995-Aug-28 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1995 QY8 = 2001 SL201 = 2002 XV82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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