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312903 (2011 UQ300)
Classification: Main-belt Asteroid          SPK-ID: 2312903
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .279666731750437 3.9893e-08  
a 2.780826035162623 1.7219e-08 au
q 2.003121506342167 1.157e-07 au
i 8.030728432529976 3.6374e-06 deg
node 254.7059955487163 4.2671e-05 deg
peri 152.7829944656717 4.4668e-05 deg
M 309.9130672008088 1.0358e-05 deg
tp 2459236.157406995562
(2021-Jan-21.65740700)
4.8164e-05 TDB
period 1693.788415004968
4.64
1.5732e-05
4.307e-08
d
yr
n .2125413049297212 1.974e-09 deg/d
Q 3.55853056398308 2.2034e-08 au
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      8386 days (22.96 yr)  
   first obs. used      1997-11-30  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49718  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:42:41  

Additional Information
 Earth MOID = 1.01732 au 
 Jupiter MOID = 1.85886 au 
 T_jup = 3.261 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458032.5 (2017-Oct-06.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2830025969096316 4.0294e-08  
q 1.992696513236396 1.1663e-07 au
tp 2457535.639704431033
(2016-May-27.13970443)
4.9604e-05 TDB
node 254.8434455904879 4.2853e-05 deg
peri 151.7795408567142 4.4651e-05 deg
i 8.014246298053365 3.6384e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      8386 days (22.96 yr)  
   first obs. used      1997-11-30  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49718  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:42:41  

Additional Information
 Jupiter MOID = 1.85886 au 
 T_jup = 3.261 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.62358868025577E-15 -4.679238591738878E-15 -1.897182201679645E-13 -4.422820450556037E-14 5.294620016079554E-14 -8.029690786050104E-15
q -4.679238591738878E-15 1.360273510776268E-14 3.17713590252927E-13 1.336806610142504E-13 -2.076388212545608E-13 2.294084680312456E-14
tp -1.897182201679645E-13 3.17713590252927E-13 2.460507401827942E-9 5.293221775321961E-11 6.542954517903855E-10 1.061357013017923E-11
node -4.422820450556037E-14 1.336806610142504E-13 5.293221775321961E-11 1.836339247201163E-9 -1.805272316795197E-9 -1.391046119105687E-11
peri 5.294620016079554E-14 -2.076388212545608E-13 6.542954517903855E-10 -1.805272316795197E-9 1.993708224322238E-9 1.656201626109345E-11
i -8.029690786050104E-15 2.294084680312456E-14 1.061357013017923E-11 -1.391046119105687E-11 1.656201626109345E-11 1.323831119302402E-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 16.8   n/a MPO345863  

312903 (2011 UQ300)          Discovered 2003-Jan-07 by LINEAR at Socorro
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2011 UQ300 = 2003 AN69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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