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190784 (2001 QL294)
Classification: Main-belt Asteroid          SPK-ID: 2190784
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .182048741460173 4.7557e-08  
a 2.313278751164323 1.1571e-08 au
q 1.892149265868297 1.1114e-07 au
i 2.146614436932139 4.0897e-06 deg
node 233.3526052575511 0.00013573 deg
peri 77.70833524410418 0.00013638 deg
M 187.4219785999046 1.2525e-05 deg
tp 2459816.560500765805
(2022-Aug-25.06050077)
4.6923e-05 TDB
period 1285.110227110109
3.52
9.6422e-06
2.64e-08
d
yr
n .2801316123750332 2.1018e-09 deg/d
Q 2.734408236460348 1.3677e-08 au
  Orbit Determination Parameters
   # obs. used (total)      282  
   data-arc span      7172 days (19.64 yr)  
   first obs. used      2001-07-26  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56034  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:06  

Additional Information
 Earth MOID = .877248 au 
 Jupiter MOID = 2.52836 au 
 T_jup = 3.560 
[ 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 17.3   n/a MPO449946  

190784 (2001 QL294)          Discovered 2001-Aug-24 by LONEOS at Anderson Mesa
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

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