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363135 (2001 QQ199)
Classification: Asteroid          SPK-ID: 2363135
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4269516105147931 6.1129e-08  
a 5.327547466172596 7.6755e-08 au
q 3.052942495396201 3.1683e-07 au
i 42.53492492349064 9.0433e-06 deg
node 212.9883656111037 1.0199e-05 deg
peri 193.437385759568 1.5325e-05 deg
M 178.2967470537943 9.7622e-06 deg
tp 2456776.010615907264
(2014-Apr-28.51061591)
8.7102e-05 TDB
period 4491.479466149593
12.30
9.7065e-05
2.657e-07
d
yr
n .08015176351426513 1.7321e-09 deg/d
Q 7.60215243694899 1.0953e-07 au
  Orbit Determination Parameters
   # obs. used (total)      374  
   data-arc span      10804 days (29.58 yr)  
   first obs. used      1989-10-27  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56046  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:48:19  

Additional Information
 Earth MOID = 2.07151 au 
 Jupiter MOID = 1.8881 au 
 T_jup = 2.325 
[ 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 12.7   n/a MPO408573  
diameter diameter 16.4 km 1.2 Fernandez et al. (2005) Astron.J. 130:308-318  
geometric albedo albedo 0.059   0.009 Fernandez et al. (2005) Astron.J. 130:308-318  

363135 (2001 QQ199)          Discovered 2001-Aug-22 by NEAT at Palomar
Reference: Last Updated: 2013-06-26

[ show close-approach data ]
Alternate Designations
 2001 QQ199 = 1989 UL2 = 1989 VZ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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