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190778 (2001 QD260)
Classification: Main-belt Asteroid          SPK-ID: 2190778
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2124707702788098 3.6993e-08  
a 2.371763384275465 9.9952e-09 au
q 1.867832991099381 8.7596e-08 au
i 3.803972134712065 4.9769e-06 deg
node 274.4834083853308 9.2209e-05 deg
peri 139.1212198292141 9.4026e-05 deg
M 61.25591586474409 1.9549e-05 deg
tp 2458973.486855833893
(2020-May-03.98685583)
7.1657e-05 TDB
period 1334.152477292976
3.65
8.4336e-06
2.309e-08
d
yr
n .2698342251932461 1.7057e-09 deg/d
Q 2.87569377745155 1.2119e-08 au
  Orbit Determination Parameters
   # obs. used (total)      386  
   data-arc span      7142 days (19.55 yr)  
   first obs. used      2001-08-25  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56232  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:05  

Additional Information
 Earth MOID = .880486 au 
 Jupiter MOID = 2.49289 au 
 T_jup = 3.510 
[ 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 16.5   n/a MPO449946  

190778 (2001 QD260)          Discovered 2001-Aug-25 by LINEAR at Socorro
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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