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JPL Small-Body Database Browser
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193878 (2001 QT178)
Classification: Main-belt Asteroid          SPK-ID: 2193878
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .251589374355452 4.5404e-08  
a 2.282094891157871 8.5712e-09 au
q 1.707944065271689 1.0705e-07 au
i 3.085679351629616 5.1628e-06 deg
node 163.3716727462338 8.9867e-05 deg
peri 214.6224307240844 9.0415e-05 deg
M 36.36513528178497 1.1312e-05 deg
tp 2458473.301590252570
(2018-Dec-20.80159025)
3.9225e-05 TDB
period 1259.212351452775
3.45
7.0941e-06
1.942e-08
d
yr
n .2858930025461248 1.6106e-09 deg/d
Q 2.856245717044053 1.0728e-08 au
  Orbit Determination Parameters
   # obs. used (total)      486  
   data-arc span      8259 days (22.61 yr)  
   first obs. used      1996-03-27  
   last obs. used      2018-11-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61582  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:39:51  

Additional Information
 Earth MOID = .710033 au 
 Jupiter MOID = 2.60229 au 
 T_jup = 3.560 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO299991  

193878 (2001 QT178)          Discovered 2001-Aug-27 by NEAT at Palomar
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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