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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4495098951511115 1.171e-07  
a 1.837900660431836 3.0393e-09 au
q 1.011746127262963 2.1537e-07 au
i 41.10757650350485 2.5553e-05 deg
node 324.3815380698751 3.9133e-06 deg
peri 215.0522507799998 5.9826e-05 deg
M 117.3189045371191 1.9498e-05 deg
tp 2459099.916506871667
(2020-Sep-07.41650687)
4.9259e-05 TDB
period 910.0839966709584
2.49
2.2575e-06
6.181e-09
d
yr
n .3955678830930573 9.8122e-10 deg/d
Q 2.664055193600709 4.4055e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .32933  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 19:23:20  

Additional Information
 Earth MOID = .081601 au 
 Jupiter MOID = 2.54946 au 
 T_jup = 3.631 
[ 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. 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

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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 0.105468682526275 0.105466576403848 0.105470788792599 24.0681388857037 24.0670892084231 2415428.087879632 0.200440973314514 221.255953528657 7.32003862712607 61.7194867145126 1959859.69316734 T 40 CATAB v2.0g-lin.ifort 2021-Apr-14 19:23:21 2021-Apr-14 19:23
1906-Feb-08 09:49 < 00:01 Earth 0.200185778556918 0.200182290148984 0.200189267000468 25.4134511211207 25.4129273760304 2417249.908730229 0.206151454230684 219.408505623995 15.9928949069329 37.6671509883748 1126588.38525981 T 40 CATAB v2.0g-lin.ifort 2021-Apr-14 19:23:21 2021-Apr-14 19:23
1911-Feb-04 04:16 < 00:01 Earth 0.313387313557466 0.313383672696515 0.313390954433237 27.1131432176176 27.1128296338392 2419071.677503566 0.206093308106096 211.413061597409 23.0407403421195 31.026645193083 1019010.75502106 T 40 CATAB v2.0g-lin.ifort 2021-Apr-14 19:23:21 2021-Apr-14 19:23
1916-Jan-30 14:19 < 00:01 Earth 0.43417154392295 0.434167973026139 0.434175114827041 29.2036895535011 29.2034794105435 2420893.096862782 0.205313702353843 199.494689030691 29.4110558041002 27.1205208443507 988294.27335398 T 40 CATAB v2.0g-lin.ifort 2021-Apr-14 19:23:21 2021-Apr-14 19:23
1998-Mar-01 08:06 < 00:01 Earth 0.424756549186431 0.424755846531322 0.424757251842263 22.8739375422076 22.8736633002215 2450873.837795592 0.046476448083788 66.5352597434735 30.6245181056305 -73.2483718269387 1935148.0535936 T 40 CATAB v2.0g-lin.ifort 2021-Apr-14 19:23:21 2021-Apr-14 19:23
2003-Feb-25 08:41 < 00:01 Earth 0.303198196994022 0.303197713330356 0.303198680658049 22.5258191307978 22.5254290011905 2452695.861674014 0.0362351743888698 47.7952365620679 22.0482040643305 -76.6709103989336 1961239.88194049 T 40 CATAB v2.0g-lin.ifort 2021-Apr-14 19:23:21 2021-Apr-14 19:23
2008-Feb-21 12:02 < 00:01 Earth 0.190774000533961 0.190773746247405 0.190774254820614 22.6407912983718 22.6401744087201 2454518.001245424 0.0281206972350977 27.2977382493497 12.2073558486041 -81.9219098436125 2264562.24775766 T 40 CATAB v2.0g-lin.ifort 2021-Apr-14 19:23:21 2021-Apr-14 19:23
2013-Feb-16 11:18 < 00:01 Earth 0.0957296922171906 0.0957296400938631 0.0957297443405888 23.2294336669758 23.2282354422602 2456339.970681648 0.0229696612184135 11.0572435885478 2.40156152660451 84.7104307932252 6715303.72478996 T 40 CATAB v2.0g-lin.ifort 2021-Apr-14 19:23:21 2021-Apr-14 19:23
2018-Feb-12 17:51 < 00:01 Earth 0.100156630758409 0.100156436333771 0.100156825183161 24.1519013389012 24.1507998218404 2458162.243824319 0.0251245939262305 13.9451614110023 8.16661177057236 62.4633433206901 1829383.81149689 T 40 CATAB v2.0g-lin.ifort 2021-Apr-14 19:23:21 2021-Apr-14 19:23
2023-Feb-08 15:15 < 00:01 Earth 0.192969703229535 0.192969275286037 0.192970131173351 25.4908939977598 25.4903523177916 2459984.135392685 0.0321000223800682 27.7162558415529 15.3503469359635 50.0305082038047 1618751.41481449 T 40 CATAB v2.0g-lin.ifort 2021-Apr-14 19:23:21 2021-Apr-14 19:23
2028-Feb-03 18:03 < 00:01 Earth 0.320126553679899 0.32012589197784 0.320127215382449 27.4168934087351 27.4165898275735 2461805.252228810 0.0426959005739378 42.1463680394161 21.4265740696971 46.2592248724182 1775062.1674862 T 40 CATAB v2.0g-lin.ifort 2021-Apr-14 19:23:21 2021-Apr-14 19:23
2033-Jan-28 16:26 < 00:01 Earth 0.453767216845199 0.453766338310666 0.453768095380376 29.7434235045704 29.7432260852162 2463626.184603650 0.0550082646978157 55.435198505023 26.5775231697894 44.2854230882296 1928501.24148157 T 40 CATAB v2.0g-lin.ifort 2021-Apr-14 19:23:21 2021-Apr-14 19:23
2115-Mar-03 10:49 < 00:01 Earth 0.432059033079064 0.432055357417844 0.4320627087519 22.8282248850596 22.8279547383421 2493608.950687067 0.184703187404548 216.730247714801 47.4772477084886 -33.1568593428462 739656.422988802 T 40 CATAB v2.0g-lin.ifort 2021-Apr-14 19:23:21 2021-Apr-14 19:23
2120-Feb-27 04:12 < 00:01 Earth 0.304295155815433 0.30429141360479 0.304298898048477 22.4922280167343 22.4918387129736 2495430.675197398 0.194826218017709 228.832064827189 34.301924047851 -35.8306586831439 754614.683967024 T 40 CATAB v2.0g-lin.ifort 2021-Apr-14 19:23:21 2021-Apr-14 19:23
2125-Feb-21 22:33 < 00:01 Earth 0.184504624283208 0.184501028095361 0.184508220514747 22.6489747647099 22.6483371436297 2497252.439637150 0.203315227810725 228.987398011723 19.106689340941 -38.6106547349321 873549.725845358 T 40 CATAB v2.0g-lin.ifort 2021-Apr-14 19:23:21 2021-Apr-14 19:23
2130-Feb-17 22:51 < 00:01 Earth 0.0902382427793495 0.0902359084280435 0.0902405772871037 23.2302798714295 23.2290087730444 2499074.452422762 0.206600940615892 220.825106389005 6.4074556911195 -58.2255121928847 1894146.04874306 T 40 CATAB v2.0g-lin.ifort 2021-Apr-14 19:23:21 2021-Apr-14 19:23
2135-Feb-13 18:40 < 00:01 Earth 0.0960005309581772 0.0959978362805704 0.0960032257770221 24.2593119244167 24.2581678072964 2500896.278085980 0.219823052743398 227.929274793001 9.71211578094586 53.9463818826184 1267632.90195587 T 40 CATAB v2.0g-lin.ifort 2021-Apr-14 19:23:21 2021-Apr-14 19:23
2140-Feb-09 03:06 < 00:01 Earth 0.205298509021904 0.205294549825937 0.20530246825252 25.7932646194506 25.7927614381608 2502717.629371380 0.235913268140693 238.332180620588 17.204490962906 34.16890636416 1001208.80007892 T 40 CATAB v2.0g-lin.ifort 2021-Apr-14 19:23:21 2021-Apr-14 19:23
2145-Feb-03 15:12 < 00:01 Earth 0.321112184513534 0.321108028350653 0.321116340694267 27.5711314904755 27.5708305342354 2504539.133215627 0.243671157182703 239.552547171498 23.3108068906021 30.2577986933528 1016511.42306732 T 40 CATAB v2.0g-lin.ifort 2021-Apr-14 19:23:21 2021-Apr-14 19:23
2150-Jan-29 20:33 < 00:01 Earth 0.445363015249952 0.445358827991228 0.445367202519485 29.7637446463603 29.7635436389331 2506360.355967430 0.249288492413825 236.266718822921 28.6527020437264 28.1274821203186 1067799.15570701 T 40 CATAB v2.0g-lin.ifort 2021-Apr-14 19:23:21 2021-Apr-14 19:23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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