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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 ]

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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1168801336253546 8.8966e-08  
a 3.105107791349943 5.8033e-08 au
q 2.742182377775832 2.9112e-07 au
i 15.18224113745964 6.7151e-06 deg
node 165.9120793745154 3.2814e-05 deg
peri 253.4169855088633 4.359e-05 deg
M 177.3770851405092 3.2779e-05 deg
tp 2458015.789743717985
(2017-Sep-19.28974372)
0.00017606 TDB
period 1998.542776710484
5.47
5.6028e-05
1.534e-07
d
yr
n .1801312457232187 5.0499e-09 deg/d
Q 3.468033204924054 6.4816e-08 au
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      4543 days (12.44 yr)  
   first obs. used      2008-02-08  
   last obs. used      2020-07-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67743  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:52:19  

Additional Information
 Earth MOID = 1.79936 au 
 Jupiter MOID = 1.98544 au 
 T_jup = 3.157 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457832.5 (2017-Mar-20.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1176128924377825 8.9032e-08  
q 2.741064321471825 2.9175e-07 au
tp 2458017.877184910427
(2017-Sep-21.37718491)
0.00017484 TDB
node 165.9300349220156 3.2813e-05 deg
peri 253.7412702940837 4.343e-05 deg
i 15.1817969471073 6.7151e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      4543 days (12.44 yr)  
   first obs. used      2008-02-08  
   last obs. used      2020-07-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67743  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:52:19  

Additional Information
 Jupiter MOID = 1.98544 au 
 T_jup = 3.157 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.926654667801997E-15 -2.558244890151978E-14 2.688445833373616E-12 -6.690182436931455E-14 3.134126708292829E-13 4.837847444475221E-15
q -2.558244890151978E-14 8.51167711460282E-14 -7.136707726784587E-12 2.215502091125773E-13 -8.184129876113831E-13 -8.343362372288457E-15
tp 2.688445833373616E-12 -7.136707726784587E-12 3.056843145124819E-8 -2.049152652472001E-11 5.106627950882314E-9 -4.760080057586056E-12
node -6.690182436931455E-14 2.215502091125773E-13 -2.049152652472001E-11 1.076660746080098E-9 -1.040475096244214E-9 3.297525249848365E-11
peri 3.134126708292829E-13 -8.184129876113831E-13 5.106627950882314E-9 -1.040475096244214E-9 1.886151477259312E-9 -3.301916820385394E-11
i 4.837847444475221E-15 -8.343362372288457E-15 -4.760080057586056E-12 3.297525249848365E-11 -3.301916820385394E-11 4.509247584370289E-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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