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(2009 DD45)
Classification: Apollo [NEO]          SPK-ID: 3448992
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2049931034021341 2.9399e-06  
a 1.240990316106051 4.529e-06 au
q .9865958599154764 7.1439e-08 au
i 13.74479897569318 0.00011238 deg
node 161.9104351692249 1.43e-05 deg
peri 13.92685179867122 0.00013838 deg
M 322.1177070071772 0.018655 deg
tp 2459449.635500250567
(2021-Aug-23.13550025)
0.026458 TDB
period 504.9530685438821
1.38
0.0027642
7.568e-06
d
yr
n .7129375429643811 3.9028e-06 deg/d
Q 1.495384772296626 5.4574e-06 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      7 days  
   first obs. used      2009-02-27  
   last obs. used      2009-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .18822  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 02:36:47  

Additional Information
 Earth MOID = .000949159 au 
 Jupiter MOID = 3.46694 au 
 T_jup = 5.122 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 25.8   n/a MPO156189  
rotation period rot_per 1.2 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Incomplete or inconclusive result.
Published Reference List:
[Ryan, W. UNPUBLISHED]
SMASSII spectral type spec_B S   n/a Binzel et al., IAUC 9024, March 4, 2009 Asumed albedo of 0.36 gives diameter of 19 +/- 4 meters

[ 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
1948-Mar-01 13:41 09:24 Earth 0.00580457398849294 0.00290510450189879 0.00870416155322526 8.24870465137957 8.19286680276674 2432612.069985337 563.831077167488 144593.648593085 0.751239662517664 -0.548094527329388 5.98727787376283 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
1948-Mar-01 17:59 08:56 Moon 0.0033571605610032 0.000404543716520597 0.00631078604752382 8.17691328179355 8.17571932398701 2432612.249341476 535.621108851586 147288.806080601 0.504527421678698 0.524872117098997 5536.21394809837 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
1959-Jan-31 15:54 02:44 Earth 0.29553456836599 0.294097572254011 0.29697195091604 13.5615360857948 13.5608712631082 2436600.162675126 164.437177094029 73621.5525391154 10.2498433524022 13.2460552757789 795888.74899886 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
1959-Jun-10 13:37 07:03 Earth 0.443528811519304 0.442856652792583 0.444201271571502 4.45621104409426 4.45486273185609 2436730.067520603 422.767834130189 38162.6833512384 77.6769796828864 28.9074483494251 77516.2814449507 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
1962-Apr-30 01:26 01:48 Earth 0.472745807509691 0.471838563476899 0.473653221344656 17.4785488770883 17.4782264115537 2437784.559408039 108.161905281977 47399.4372872823 34.7458086963988 -17.3470714850706 504413.638563906 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
1973-Mar-29 06:55 02:27 Earth 0.18643651038833 0.185712453156889 0.187161297235594 9.93578300067366 9.93434449780195 2441770.788074509 147.35964631363 40536.8889041582 25.3252761865528 -26.9953822607543 389019.003062817 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
1984-Feb-21 21:37 06:29 Earth 0.0752995848421657 0.0730029387193092 0.0776007713916386 8.83531824587129 8.83131238333849 2445752.400923701 388.895264056123 118289.24266013 7.21660411378708 14.2904120265025 377568.557528067 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
1995-Jan-22 06:32 02:13 Earth 0.431022338979453 0.429635600060966 0.432409269618996 17.2748015264391 17.2744436739772 2449739.772391568 133.036628032675 70625.9082495002 11.6150206176183 11.7186047568283 916159.30310606 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
1995-Jun-29 17:41 03:18 Earth 0.496599161431878 0.496107886019906 0.497090792519923 6.83215615503054 6.83137078639526 2449898.236836009 197.721274298485 32246.6081990708 71.8830194046837 40.5742737573807 246468.762320088 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
1997-Dec-12 08:00 07:16 Earth 0.451053256994216 0.450475131480203 0.451631563538431 4.21290589461779 4.21150348440303 2450794.833399011 436.08733169094 32163.337271903 73.4339926875097 -26.7364492035532 91369.4578065224 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
1998-Apr-16 17:43 02:42 Earth 0.330114985537567 0.329077491047843 0.33115295792065 13.4182173468602 13.4176158102975 2450920.238535175 162.200295510807 55408.6323624428 31.6248659337572 -20.9534395857499 446636.502074801 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
2009-Mar-02 12:13 < 00:01 Moon 0.00295812783578205 0.00295812109054581 0.00295813458102047 9.04510435266162 9.04387940462877 2454893.008923666 0.00756349687341624 0.439086533026059 0.299116006693259 61.3779218445563 1145618.96231339 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
2009-Mar-02 13:45 < 00:01 Earth 0.000482811418744495 0.000482804464663076 0.000482818372829345 8.82119280113659 8.17166398618873 2454893.072962427 0.00751038148316615 0.369701724849123 0.150828525504488 -6.20775129835974 139915.586922591 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
2016-Aug-09 22:09 01:26 Earth 0.430325209465261 0.430215671141557 0.430435021646675 8.89848237043049 8.89778651887137 2457610.423006348 85.7814697364265 17971.6161943534 18.2136402794317 72.2867065988639 1195852.88497782 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
2019-Dec-05 02:25 06:48 Earth 0.418450025103321 0.417989352114229 0.418910696950371 4.82541443750294 4.82409468184255 2458822.600421302 408.331627590229 22946.0524250128 49.1368438056012 3.23052208501415 13128.331336626 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
2020-Apr-21 12:21 04:13 Earth 0.345114095279897 0.343997883260205 0.346230877560603 12.541483737479 12.5408681193518 2458961.014862471 252.85977545831 59909.3521509967 37.5176065018267 -21.6805032368908 398626.107605682 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
2023-Sep-15 15:12 02:19 Earth 0.494073519099625 0.494006771794641 0.494140559450101 9.8958219658817 9.89527698550508 2460203.133577243 139.433942137829 19265.9863153315 11.6892180778403 80.0291035313129 2433630.96113881 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
2027-Feb-14 22:16 03:24 Earth 0.185829364844861 0.183885933980362 0.187773688521526 11.0509838345982 11.0496862891823 2461451.427642516 203.892291124918 99038.7265768403 7.69232250037892 11.8579909817229 694395.272710477 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
2027-Jul-05 23:50 07:15 Earth 0.356183646825421 0.355713708302699 0.356656756544157 6.06822660437646 6.06699372465176 2461592.492721568 434.69239948213 57984.0903512477 54.7397437662348 66.1170825480455 215166.806465394 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
2030-Oct-23 07:52 04:12 Earth 0.488005870745594 0.48778614958293 0.488225710355951 8.5545470625742 8.55390878954633 2462797.827825128 252.463004420036 16243.8791379536 75.0720120713089 -47.5940933046525 285741.237638699 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
2034-Aug-24 09:38 03:47 Earth 0.459746362718592 0.459447100709245 0.46004720203478 9.51696262254585 9.51635363335169 2464198.901507076 227.459017074526 45024.2581233677 8.72975960295439 70.59257034207 2331710.85939363 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
2038-Mar-22 00:26 08:53 Earth 0.152517052813893 0.150001600203021 0.155049395775306 8.64822527701714 8.6462049685269 2465504.517811244 532.649440595913 149155.066954157 24.9169408671697 -32.4608684581247 380923.428443006 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
2045-Feb-01 02:12 03:49 Earth 0.390054043963046 0.387383023600714 0.39272551742514 16.1377249666127 16.137301663991 2468012.591580783 229.059506294501 134843.837186855 6.86089260852453 8.95596622390795 1188584.0012735 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
2045-Jul-28 06:12 05:39 Earth 0.400453689507822 0.399934772397443 0.400977290612303 8.04465824138643 8.04383110945746 2468189.758596733 339.09295243746 73077.6199160328 31.9761923999067 69.1713064393431 655088.105163503 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
2048-Nov-09 20:35 06:52 Earth 0.462308639453138 0.461813532320107 0.462803769458511 7.15584348732435 7.15503802736286 2469390.357909838 411.927159552521 25216.4939428885 76.6959129688736 -11.9430355333301 57066.2017404966 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
2049-May-12 20:53 06:30 Earth 0.497638793957026 0.495253131019262 0.500026370254926 16.8710922699327 16.8707749049455 2469574.370113653 390.019543227244 128574.265383561 42.4692956423484 -22.2421330957471 542573.957400455 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
2052-Sep-04 16:14 03:50 Earth 0.481187942849863 0.480939237152252 0.481437801868814 9.81105173762037 9.81048732781968 2470785.176383917 229.689817931515 39173.7756334307 5.16544626281171 71.4998352645162 4137493.2376624 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
2056-Feb-29 17:29 05:57 Earth 0.016300338327993 0.0138284424796338 0.0187724463801298 8.31909648550055 8.29942426561337 2472058.228469016 357.460511372195 123303.685174286 2.35683556825524 1.52302732775219 22970.6050248942 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
2059-Oct-19 03:02 1_04:53 Earth 0.487421040791086 0.485460128640808 0.489397620258899 8.76258926106837 8.76196539539614 2473385.626267208 1732.54942563103 169200.338564687 69.8551377474409 -54.5465798214111 397024.104364649 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
2063-Aug-28 02:25 2_03:24 Earth 0.458320263891788 0.45562326827329 0.46129289404664 9.57775241264874 9.57714540599227 2474794.600625628 3084.13097597483 578084.012041893 2.60924171414923 75.842929896264 2674997.69348145 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
2067-Mar-03 06:51 4_09:10 Moon 0.00490910797300182 0.0017361280000811 0.056852933342431 7.98796627217116 7.98713047154842 2476077.785286811 6309.51701339327 2604734.07504292 0.878309043946591 -20.7151564067987 287683.571501534 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
2067-Mar-03 11:27 5_05:46 Earth 0.0035341890325706 0.000728592643050758 0.0525204847985283 8.2435766030926 8.15160870774974 2476077.976857090 7546.46753878567 2446647.24721537 0.609496654870729 12.3994296980601 190066.040595355 T 24 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:48 2021-Apr-15 02:36
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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