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JPL Small-Body Database Browser
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390581 (2001 QD116)
Classification: Main-belt Asteroid          SPK-ID: 2390581
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 .1319286593983421 1.1369e-07  
a 2.297088061148963 1.153e-08 au
q 1.994036312721643 2.5707e-07 au
i 5.637424230508332 9.867e-06 deg
node 211.3450089723388 4.9113e-05 deg
peri 139.4955541133219 5.4409e-05 deg
M 137.1337292129089 2.464e-05 deg
tp 2458516.097161441191
(2019-Feb-01.59716144)
8.5114e-05 TDB
period 1271.642088945362
3.48
9.574e-06
2.621e-08
d
yr
n .2830985252293484 2.1314e-09 deg/d
Q 2.600139809576282 1.3051e-08 au
  Orbit Determination Parameters
   # obs. used (total)      382  
   data-arc span      6716 days (18.39 yr)  
   first obs. used      2001-08-17  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55333  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 09:56:45  

Additional Information
 Earth MOID = .992645 au 
 Jupiter MOID = 2.82854 au 
 T_jup = 3.576 
[ 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 MPO353325  

390581 (2001 QD116)          Discovered 2001-Aug-17 by LINEAR at Socorro
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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