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190777 (2001 QK249)
Classification: Main-belt Asteroid          SPK-ID: 2190777
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2384395591969917 8.0374e-08  
a 2.300581879277466 7.4245e-09 au
q 1.752032150085961 1.8302e-07 au
i .6326329934024046 4.3082e-06 deg
node 104.8991723660086 0.00049284 deg
peri 278.656221910204 0.00049293 deg
M 177.8531259730282 9.8586e-06 deg
tp 2458570.828595484610
(2019-Mar-28.32859548)
3.3232e-05 TDB
period 1274.544399404694
3.49
6.1698e-06
1.689e-08
d
yr
n .2824538714917633 1.3673e-09 deg/d
Q 2.849131608468972 9.1947e-09 au
  Orbit Determination Parameters
   # obs. used (total)      466  
   data-arc span      17344 days (47.49 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58489  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:04  

Additional Information
 Earth MOID = .754402 au 
 Jupiter MOID = 2.6078 au 
 T_jup = 3.553 
[ 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 17.28   n/a E2021B55  

190777 (2001 QK249)          Discovered 2001-Aug-24 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Alternate Designations
 2001 QK249 = 1307 T-2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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