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441451 (2008 KK9)
Classification: Main-belt Asteroid          SPK-ID: 2441451
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2280147337100988 4.2614e-08  
a 2.281937558279249 1.6999e-08 au
q 1.761622173585133 9.4822e-08 au
i 2.394866128552305 6.1625e-06 deg
node 112.6573044105996 0.00022965 deg
peri 210.2120731070148 0.00023308 deg
M 229.3808073632217 4.29e-05 deg
tp 2459853.334143978357
(2022-Sep-30.83414398)
0.00015365 TDB
period 1259.082134197035
3.45
1.4069e-05
3.852e-08
d
yr
n .2859225702774233 3.195e-09 deg/d
Q 2.802252942973365 2.0875e-08 au
  Orbit Determination Parameters
   # obs. used (total)      86  
   data-arc span      5224 days (14.30 yr)  
   first obs. used      2005-08-30  
   last obs. used      2019-12-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61432  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:40:52  

Additional Information
 Earth MOID = .749 au 
 Jupiter MOID = 2.52537 au 
 T_jup = 3.569 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.5   n/a MPO528548  

441451 (2008 KK9)          Discovered 2008-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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