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193880 (2001 QE180)
Classification: Main-belt Asteroid          SPK-ID: 2193880
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2310528217074023 6.7971e-08  
a 2.312360030599864 8.5585e-09 au
q 1.77808272072635 1.5849e-07 au
i 3.355198703333387 4.7046e-06 deg
node 80.57109525136542 0.00011369 deg
peri 280.0263131504213 0.00011419 deg
M 111.5170516708596 1.1701e-05 deg
tp 2458602.649062403837
(2019-Apr-29.14906240)
4.0549e-05 TDB
period 1284.344729246864
3.52
7.1304e-06
1.952e-08
d
yr
n .2802985770114095 1.5562e-09 deg/d
Q 2.846637340473377 1.0536e-08 au
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      6725 days (18.41 yr)  
   first obs. used      2001-08-25  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55185  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:11:08  

Additional Information
 Earth MOID = .778837 au 
 Jupiter MOID = 2.61043 au 
 T_jup = 3.545 
[ 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 16.8   n/a MPO449957  

193880 (2001 QE180)          Discovered 2001-Aug-25 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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