+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   523625 (2008 DG17) Classification: Apollo [NEO]          SPK-ID: 2523625 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] 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  [ hide covariance matrix ] Orbital Elements at Epoch 2456895.5 (2014-Aug-26.0) TDB Reference: JPL 39 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .4495293622251804 1.1634e-07   q 1.011528950290772 2.1366e-07 au tp 2457280.350625928630 (2015-Sep-14.85062593) 4.7962e-05 TDB node 324.4064197653606 3.9141e-06 deg peri 214.9835560345134 5.9903e-05 deg i 41.11232401635886 2.5557e-05 deg   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  Jupiter MOID = 2.55105 au   T_jup = 3.632  Orbit Covariance (6×6)   e q tp node peri i e 1.353407674348632E-14 -2.485552823296292E-14 5.452262159792919E-12 -7.069750560886165E-14 6.901072166416677E-12 1.566472952838863E-12 q -2.485552823296292E-14 4.565007937281549E-14 -1.000976158935383E-11 1.295911032389638E-13 -1.267289822528121E-11 -2.875390408440917E-12 tp 5.452262159792919E-12 -1.000976158935383E-11 2.300311923338004E-9 5.491988347540276E-12 2.857137687303333E-9 5.436415504757961E-10 node -7.069750560886165E-14 1.295911032389638E-13 5.491988347540276E-12 1.53197941470278E-11 -1.512570909044354E-11 -1.792905464033838E-11 peri 6.901072166416677E-12 -1.267289822528121E-11 2.857137687303333E-9 -1.512570909044354E-11 3.588347746551626E-9 7.225614731860508E-10 i 1.566472952838863E-12 -2.875390408440917E-12 5.436415504757961E-10 -1.792905464033838E-11 7.225614731860508E-10 6.531589646854446E-10 [ 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. 2020-October); 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 ] 2021-Jan-24 23:09 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