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267223 (2001 DQ8)
Classification: Apollo [NEO]          SPK-ID: 2267223
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 90 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9009957072353442 7.1584e-08  
a 1.842360830636953 7.1913e-09 au
q .1824016310545154 1.3175e-07 au
i 12.78196336598628 2.5421e-05 deg
node 342.6782897520479 3.7183e-05 deg
peri 14.80804409626176 3.8916e-05 deg
M 80.8152239109091 7.9992e-06 deg
tp 2459191.454074248123
(2020-Dec-07.95407425)
1.9674e-05 TDB
period 913.3988585127372
2.50
5.3479e-06
1.464e-08
d
yr
n .3941323077479846 2.3076e-09 deg/d
Q 3.50232003021939 1.3671e-08 au
  Orbit Determination Parameters
   # obs. used (total)      415  
   data-arc span      7335 days (20.08 yr)  
   first obs. used      2001-02-16  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46019  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-18 06:26:53  

Additional Information
 Earth MOID = .106356 au 
 Jupiter MOID = 1.98063 au 
 T_jup = 3.328 
[ 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 18.07   n/a MPCxxxxx  
rotation period rot_per 4.11 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2016) Minor Planet Bull. 43, 240-250.]

267223 (2001 DQ8)          Discovered 2001-Feb-16 by LINEAR at Socorro
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

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