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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4272307787940753 6.063e-08  
a 5.326568440516055 7.6125e-08 au
q 3.050894457374437 3.133e-07 au
i 42.54768643510983 9.0195e-06 deg
node 212.993769863346 9.5938e-06 deg
peri 193.4128316439656 1.3771e-05 deg
M 194.3789258172519 9.5724e-06 deg
tp 2461266.273921503800
(2026-Aug-13.77392150)
0.00015832 TDB
period 4490.241446694065
12.29
9.6259e-05
2.635e-07
d
yr
n .08017386242449158 1.7187e-09 deg/d
Q 7.602242423657671 1.0865e-07 au
  Orbit Determination Parameters
   # obs. used (total)      381  
   data-arc span      11156 days (30.54 yr)  
   first obs. used      1989-10-27  
   last obs. used      2020-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56536  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:42:16  

Additional Information
 Earth MOID = 2.06843 au 
 Jupiter MOID = 1.88912 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 12.59   n/a E2021B25  
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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