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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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Orbit Diagram
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Note: This Java-based orbit viewer will eventually be retired.

Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet 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. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet is not working, here are some notes that might help.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1901-Feb-12 14:07 < 00:01 Earth 0.105468956189777 0.105466854255749 0.105471058267073 24.0681440689599 24.0670943946292 2415428.087861617 0.200060044789382 220.78524476178 7.3193480433991 61.7154193689558 1960068.43752529 T 39 CATAB v2.0f-lin.ifort 2019-Dec-21 06:22:41 2019-Dec-21 06:22
1906-Feb-08 09:49 < 00:01 Earth 0.200186223130126 0.200182741049683 0.200189705246038 25.4134577280124 25.4129339842216 2417249.908711882 0.205795726998012 218.988386674124 15.9906145852539 37.6600020054782 1126607.45589477 T 39 CATAB v2.0f-lin.ifort 2019-Dec-21 06:22:41 2019-Dec-21 06:22
1911-Feb-04 04:16 < 00:01 Earth 0.313387763319258 0.313384128359183 0.313391398294102 27.1131508091904 27.1128372259499 2419071.677485111 0.205772206567476 211.05301464494 23.0381346040555 31.0193214336676 1018983.73124546 T 39 CATAB v2.0f-lin.ifort 2019-Dec-21 06:22:41 2019-Dec-21 06:22
1916-Jan-30 14:19 < 00:01 Earth 0.43417197000704 0.43416840431967 0.434175535701665 29.2036975544917 29.2034874117979 2420893.096846124 0.205022256201309 199.192678558876 29.4095449306862 27.1151386812099 988311.034911826 T 39 CATAB v2.0f-lin.ifort 2019-Dec-21 06:22:41 2019-Dec-21 06:22
1998-Mar-01 08:06 < 00:01 Earth 0.424756524032565 0.424755821392371 0.424757226673459 22.8739377675766 22.873663525577 2450873.837795187 0.0464752675745577 66.5281249949511 30.6276839789056 -73.2528682203413 1935012.54480027 T 39 CATAB v2.0f-lin.ifort 2019-Dec-21 06:22:41 2019-Dec-21 06:22
2003-Feb-25 08:41 < 00:01 Earth 0.30319818814135 0.303197704474338 0.303198671808724 22.5258194909125 22.5254293613 2452695.861674061 0.0362354225819831 47.7916376571698 22.0498157952678 -76.6738208569838 1961123.66914644 T 39 CATAB v2.0f-lin.ifort 2019-Dec-21 06:22:41 2019-Dec-21 06:22
2008-Feb-21 12:02 < 00:01 Earth 0.190774001606749 0.190773747316115 0.19077425589747 22.6407916832111 22.6401747935735 2454518.001245871 0.0281208189458778 27.2966731761422 12.2077659911349 -81.9231238776348 2264484.13255591 T 39 CATAB v2.0f-lin.ifort 2019-Dec-21 06:22:41 2019-Dec-21 06:22
2013-Feb-16 11:18 < 00:01 Earth 0.095729691935839 0.0957296398129959 0.0957297440587528 23.2294340714701 23.2282358467721 2456339.970681584 0.0229693502487196 11.0572871381169 2.40156519244914 84.7108358425137 6715389.51646827 T 39 CATAB v2.0f-lin.ifort 2019-Dec-21 06:22:41 2019-Dec-21 06:22
2018-Feb-12 17:51 < 00:01 Earth 0.100156629989787 0.10015643556362 0.100156824416075 24.1519017552323 24.1508002381823 2458162.243824184 0.0251245237381573 13.9450697997068 8.16647852419933 62.4612980789557 1829393.74576737 T 39 CATAB v2.0f-lin.ifort 2019-Dec-21 06:22:41 2019-Dec-21 06:22
2023-Feb-08 15:15 < 00:01 Earth 0.19296970627454 0.192969278318465 0.192970134230933 25.4908944609566 25.4903527810068 2459984.135392359 0.0321007010162924 27.7155692680664 15.3506094509592 50.026384411727 1618689.46456393 T 39 CATAB v2.0f-lin.ifort 2019-Dec-21 06:22:41 2019-Dec-21 06:22
2028-Feb-03 18:03 < 00:01 Earth 0.320126562772998 0.320125901049085 0.320127224497422 27.4168939662391 27.4165903850924 2461805.252228254 0.0426971200850201 42.1456062711438 21.4273686224707 46.2555289513869 1774976.64361003 T 39 CATAB v2.0f-lin.ifort 2019-Dec-21 06:22:41 2019-Dec-21 06:22
2033-Jan-28 16:26 < 00:01 Earth 0.453767228470107 0.453766349904033 0.453768107036827 29.7434241086761 29.743226689331 2463626.184603083 0.0550096642539769 55.4351304513815 26.5785419584501 44.2826319223893 1928427.29692188 T 39 CATAB v2.0f-lin.ifort 2019-Dec-21 06:22:41 2019-Dec-21 06:22
2115-Mar-03 10:49 < 00:01 Earth 0.43205912041445 0.432055450760236 0.432062790080206 22.8282256238585 22.8279554772043 2493608.950689360 0.18438948958803 216.32114606762 47.4821913424183 -33.1367578264097 739407.30042625 T 39 CATAB v2.0f-lin.ifort 2019-Dec-21 06:22:41 2019-Dec-21 06:22
2120-Feb-27 04:12 < 00:01 Earth 0.304295247870921 0.304291512451299 0.30429898331284 22.4922284589938 22.4918391553586 2495430.675200394 0.194468636449153 228.367574907274 34.3057944964922 -35.8149954528783 754347.295026208 T 39 CATAB v2.0f-lin.ifort 2019-Dec-21 06:22:41 2019-Dec-21 06:22
2125-Feb-21 22:33 < 00:01 Earth 0.184504715771923 0.184501126722367 0.184508304864972 22.6489748333103 22.6483372125483 2497252.439639938 0.202914837439955 228.500368262617 19.1090201016894 -38.6010574639298 873308.819213305 T 39 CATAB v2.0f-lin.ifort 2019-Dec-21 06:22:41 2019-Dec-21 06:22
2130-Feb-17 22:51 < 00:01 Earth 0.0902383013340932 0.0902359722205117 0.0902406306033946 23.23027959601 23.2290084984349 2499074.452425854 0.206151696155377 220.320263330975 6.40825854118319 -58.2241911050944 1893855.09346189 T 39 CATAB v2.0f-lin.ifort 2019-Dec-21 06:22:41 2019-Dec-21 06:22
2135-Feb-13 18:40 < 00:01 Earth 0.0960004638099017 0.0959977755089698 0.0960031522513457 24.2593112900103 24.2581671720599 2500896.278089067 0.219293033932512 227.359901950835 9.71275636885524 53.9412197283595 1267415.46376552 T 39 CATAB v2.0f-lin.ifort 2019-Dec-21 06:22:41 2019-Dec-21 06:22
2140-Feb-09 03:06 < 00:01 Earth 0.205298411437668 0.205294462636961 0.205302360272825 25.7932636278411 25.7927604462929 2502717.629374189 0.235290685873096 237.687299297142 17.2091713188946 34.1626746921275 1000829.25509109 T 39 CATAB v2.0f-lin.ifort 2019-Dec-21 06:22:41 2019-Dec-21 06:22
2145-Feb-03 15:12 < 00:01 Earth 0.321112081802715 0.321107937586308 0.321116226036864 27.5711301897029 27.5708292333523 2504539.133218498 0.242962860685149 238.852384274319 23.3171603939442 30.253995668297 1016275.43442794 T 39 CATAB v2.0f-lin.ifort 2019-Dec-21 06:22:41 2019-Dec-21 06:22
2150-Jan-29 20:33 < 00:01 Earth 0.445362906757454 0.445358732631589 0.445367080894103 29.7637429972409 29.7635419897537 2506360.355970810 0.248492928340006 235.5250971662 28.65754275739 28.1287235502285 1067925.56179782 T 39 CATAB v2.0f-lin.ifort 2019-Dec-21 06:22:41 2019-Dec-21 06:22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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