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JPL Small-Body Database Browser
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523625 (2008 DG17)
Classification: Apollo [NEO]          SPK-ID: 2523625
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4493679361422285 1.1646e-07  
a 1.83740015580404 3.0851e-09 au
q 1.01173143992297 2.1363e-07 au
i 41.10383241740566 2.555e-05 deg
node 324.3840591532287 3.9142e-06 deg
peri 215.0160383072323 5.9928e-05 deg
M 320.6926241959295 1.9453e-05 deg
tp 2459099.828894125380
(2020-Sep-07.32889413)
4.9243e-05 TDB
period 909.7122652851796
2.49
2.2912e-06
6.273e-09
d
yr
n .3957295221111986 9.9667e-10 deg/d
Q 2.663068871685111 4.4714e-09 au
  Orbit Determination Parameters
   # obs. used (total)      274  
   # delay obs. used      1  
   # Doppler obs. used      0  
   data-arc span      3742 days (10.25 yr)  
   first obs. used      2008-02-29  
   last obs. used      2018-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .32942  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-21 06:22:25  

Additional Information
 Earth MOID = .0807946 au 
 Jupiter MOID = 2.55105 au 
 T_jup = 3.632 
[ 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 19.6   n/a MPO437959  
rotation period rot_per 3.643 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2018) Minor Planet Bull. 45, 248-256.]

523625 (2008 DG17)          Discovered 2008-Feb-29 by CSS at Catalina
Reference: Last Updated: 2018-10-01

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