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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 90 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9009716693709151 7.1594e-08  
a 1.842300305955504 7.1882e-09 au
q .1824399238162259 1.3177e-07 au
i 12.7801539259807 2.5419e-05 deg
node 342.6806123015711 3.719e-05 deg
peri 14.80780222589917 3.8923e-05 deg
M 3.567981126266251 7.7658e-06 deg
tp 2459191.447696404948
(2020-Dec-07.94769640)
1.9676e-05 TDB
period 913.353848827347
2.50
5.3455e-06
1.464e-08
d
yr
n .394151730418833 2.3068e-09 deg/d
Q 3.502160688094782 1.3664e-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 = .106335 au 
 Jupiter MOID = 1.98024 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 18.1   n/a MPO367835  
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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