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JPL Small-Body Database Browser
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193912 (2001 QT255)
Classification: Main-belt Asteroid          SPK-ID: 2193912
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .201894263984056 4.0165e-08  
a 2.28633213490605 1.2881e-08 au
q 1.824734791306098 8.9629e-08 au
i 6.716530901639766 7.6247e-06 deg
node 197.7116895720528 3.55e-05 deg
peri 81.81943177886394 4.0871e-05 deg
M 78.99192247041628 2.2434e-05 deg
tp 2458323.431221240124
(2018-Jul-23.93122124)
7.7557e-05 TDB
period 1262.721012910039
3.46
1.0671e-05
2.922e-08
d
yr
n .285098605566365 2.4094e-09 deg/d
Q 2.747929478506002 1.5482e-08 au
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      9730 days (26.64 yr)  
   first obs. used      1991-11-02  
   last obs. used      2018-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59372  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:06:10  

Additional Information
 Earth MOID = .822984 au 
 Jupiter MOID = 2.4104 au 
 T_jup = 3.565 
[ 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 16.8   n/a MPO454348  

193912 (2001 QT255)          Discovered 2001-Aug-25 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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