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9500 Camelot (1281 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2009500
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1668983019447714 3.289e-08  
a 2.595349136185535 1.0857e-08 au
q 2.16218977240234 8.985e-08 au
i 12.73941589757711 6.371e-06 deg
node 194.3152867742808 1.3622e-05 deg
peri 260.6762524466739 2.5533e-05 deg
M 349.3281860274905 2.0999e-05 deg
tp 2459045.771809748709
(2020-Jul-15.27180975)
8.9209e-05 TDB
period 1527.186619961539
4.18
9.5825e-06
2.624e-08
d
yr
n .2357275759848303 1.4791e-09 deg/d
Q 3.02850849996873 1.2669e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1331  
   data-arc span      17841 days (48.85 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48746  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 19:20:48  

Additional Information
 Earth MOID = 1.22081 au 
 Jupiter MOID = 2.30293 au 
 T_jup = 3.363 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457136.5 (2015-Apr-24.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1649664124005583 3.2679e-08  
q 2.167951015516591 8.9141e-08 au
tp 2457518.039161404647
(2016-May-09.53916140)
8.6919e-05 TDB
node 194.3474661548481 1.3608e-05 deg
peri 260.6168333567389 2.5782e-05 deg
i 12.74181389004553 6.3726e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1331  
   data-arc span      17841 days (48.85 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48746  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 19:20:48  

Additional Information
 Jupiter MOID = 2.30293 au 
 T_jup = 3.363 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.067945160688065E-15 -2.901020071667511E-15 -1.313753196095126E-12 1.010048866693443E-14 -2.959616173851579E-13 -6.388783155876439E-15
q -2.901020071667511E-15 7.946050322894939E-15 3.678168294883969E-12 -2.897598101369067E-14 8.289437263560369E-13 1.774323578988237E-14
tp -1.313753196095126E-12 3.678168294883969E-12 7.554899777792656E-9 -4.036408742951261E-11 1.905385927971686E-9 2.141951832484354E-11
node 1.010048866693443E-14 -2.897598101369067E-14 -4.036408742951261E-11 1.851725903967294E-10 -1.899631766734861E-10 1.80042786637711E-11
peri -2.959616173851579E-13 8.289437263560369E-13 1.905385927971686E-9 -1.899631766734861E-10 6.647372766576637E-10 -1.249974243460378E-11
i -6.388783155876439E-15 1.774323578988237E-14 2.141951832484354E-11 1.80042786637711E-11 -1.249974243460378E-11 4.060984635515424E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO358722  

9500 Camelot           Discovered 1973 Sept. 29 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Camelot was the location of the castle of the King Arthur legend.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20001111/MPCPages.arcLast Updated: 2013-03-29

Alternate Designations
 1281 T-2 = 1990 UA4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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