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329614 (2003 KU2)
Classification: Apollo [NEO, PHA]          SPK-ID: 2329614
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 90 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6775420621063811 2.4657e-08  
a 2.687016809264144 6.3429e-09 au
q .8664498994008073 6.6541e-08 au
i 5.402554325364592 8.7576e-06 deg
node 105.2741576811263 5.3815e-05 deg
peri 246.7105771764238 5.4801e-05 deg
M 319.1557710735552 2.8232e-06 deg
tp 2459383.029137944330
(2021-Jun-17.52913794)
1.3242e-05 TDB
period 1608.807202072413
4.40
5.6966e-06
1.56e-08
d
yr
n .2237682672829036 7.9233e-10 deg/d
Q 4.507583719127481 1.0641e-08 au
  Orbit Determination Parameters
   # obs. used (total)      308  
   # delay obs. used      2  
   # Doppler obs. used      0  
   data-arc span      4775 days (13.07 yr)  
   first obs. used      2003-04-05  
   last obs. used      2016-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47669  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 07:36:41  

Additional Information
 Earth MOID = .0256445 au 
 Jupiter MOID = .990352 au 
 T_jup = 2.989 
[ show covariance matrix ]

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 17.6   n/a MPO380044  
rotation period rot_per 3.278 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Hicks, M.; Dombroski, D.; Davtyan, T.; Teague, S.; Strojia, C. (2012) Astronomer's Telegram 4262. http://www.astronomerstelegram.org]

329614 (2003 KU2)          Discovered 2003-May-22 by Spacewatch at Kitt Peak
Reference: 20120604/Numbers.arcLast Updated: 2012-06-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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