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441816 (2009 KC24)
Classification: Main-belt Asteroid          SPK-ID: 2441816
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1168801324489335 8.9044e-08  
a 3.105107804476206 7.1694e-08 au
q 2.74218239302081 2.9367e-07 au
i 15.1822437842268 8.593e-06 deg
node 165.9120748283231 3.3806e-05 deg
peri 253.4169819167523 5.0919e-05 deg
M 177.3770905570483 3.6865e-05 deg
tp 2458015.789707404009
(2017-Sep-19.28970740)
0.00020957 TDB
period 1998.542789383183
5.47
6.9217e-05
1.895e-07
d
yr
n .1801312445810119 6.2386e-09 deg/d
Q 3.468033215931602 8.0074e-08 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      4460 days (12.21 yr)  
   first obs. used      2008-02-08  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68365  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:53:21  

Additional Information
 Earth MOID = 1.79936 au 
 Jupiter MOID = 1.98544 au 
 T_jup = 3.157 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457337.5 (2015-Nov-11.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1178536488659854 8.9119e-08  
q 2.739638019417447 2.9479e-07 au
tp 2458018.331605965812
(2017-Sep-21.83160597)
0.00020756 TDB
node 165.9311435473972 3.3807e-05 deg
peri 253.8810541854573 5.0607e-05 deg
i 15.18223577257112 8.5928e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      4460 days (12.21 yr)  
   first obs. used      2008-02-08  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68365  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:53:21  

Additional Information
 Jupiter MOID = 1.98544 au 
 T_jup = 3.157 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.942143543897117E-15 -2.566196335424502E-14 2.733304930878675E-12 -3.70659526011599E-14 2.950376091107581E-13 -1.499252087375785E-14
q -2.566196335424502E-14 8.690358473267453E-14 -1.155724722213068E-11 1.232715705293166E-13 -1.703279528326958E-12 6.269969828761033E-14
tp 2.733304930878675E-12 -1.155724722213068E-11 4.3082020139092E-8 -1.852715699535465E-12 7.8716838673828E-9 -3.386617851895951E-11
node -3.70659526011599E-14 1.232715705293166E-13 -1.852715699535465E-12 1.14292329514922E-9 -1.101798894747754E-9 -9.781860588198041E-12
peri 2.950376091107581E-13 -1.703279528326958E-12 7.8716838673828E-9 -1.101798894747754E-9 2.561089171704249E-9 2.79709453697632E-12
i -1.499252087375785E-14 6.269969828761033E-14 -3.386617851895951E-11 -9.781860588198041E-12 2.79709453697632E-12 7.38361424289551E-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 16.2   n/a MPO437717  

441816 (2009 KC24)          Discovered 2009-May-27 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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