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225416 (1999 YC)
Classification: Apollo [NEO]          SPK-ID: 2225416
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 89 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .83047070606812 9.6896e-08  
a 1.421864143119385 3.5681e-09 au
q .2410476242500869 1.3774e-07 au
i 38.22485571792365 1.8209e-05 deg
node 64.79006254512369 7.4285e-06 deg
peri 156.4045801868533 8.8235e-06 deg
M 348.280006600038 1.4177e-05 deg
tp 2459020.660924652999
(2020-Jun-20.16092465)
2.4423e-05 TDB
period 619.2778978103522
1.70
2.3311e-06
6.382e-09
d
yr
n .5813222162019521 2.1882e-09 deg/d
Q 2.602680661988684 6.5313e-09 au
  Orbit Determination Parameters
   # obs. used (total)      384  
   data-arc span      7365 days (20.16 yr)  
   first obs. used      1999-11-27  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55928  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-27 05:44:08  

Additional Information
 Earth MOID = .247538 au 
 Jupiter MOID = 2.5161 au 
 T_jup = 4.117 
[ 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 17.2   n/a MPO427308  
diameter diameter 1.651 km 0.175 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
rotation period rot_per 4.531 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Kasuga, T.; Jewitt, D. (2008) Astron. J. 136, 881-889.]
[Warner, B.D. (2017) Minor Planet Bull. 44, 98-107.]
geometric albedo albedo 0.094   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

225416 (1999 YC)          Discovered 1999-Dec-17 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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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
1910-Jan-19 19:45 < 00:01 Mars 0.0902353388634506 0.0902339925812382 0.0902366853142318 26.8137275022226 26.813609178098 2418691.322757976 0.251840966990478 220.450059445662 25.3112726854112 -73.5036533733687 511602.308013661 T 89 CATAB v2.0f-lin.ifort 2020-Jan-27 05:44:21 2020-Jan-27 05:44
1916-Dec-10 00:55 < 00:01 Earth 0.252952757995004 0.252950657133295 0.252954858955911 35.1593917883563 35.1590921941335 2421207.538167296 0.305194519694947 278.960050894525 27.0211799207769 -68.6197546452213 1303405.48592203 T 89 CATAB v2.0f-lin.ifort 2020-Jan-27 05:44:21 2020-Jan-27 05:44
1921-Dec-21 11:10 < 00:01 Earth 0.446423541241088 0.44641901731322 0.446428065184993 24.2985820470511 24.2983364141527 2423044.965292329 0.0391990592559451 262.648570324335 27.3323294839388 30.9921819229953 1328500.53827038 T 89 CATAB v2.0f-lin.ifort 2020-Jan-27 05:44:21 2020-Jan-27 05:44
1933-Nov-28 18:46 < 00:01 Earth 0.439170347006244 0.439166508270159 0.439174185754637 43.713123361151 43.7129845679477 2427405.281627875 0.303170433977328 224.318096052589 25.9619843134064 -31.6590842203109 1333048.22903952 T 89 CATAB v2.0f-lin.ifort 2020-Jan-27 05:44:21 2020-Jan-27 05:44
1938-Dec-17 06:20 < 00:01 Earth 0.257882265110091 0.257880288724134 0.257884241556354 29.8252148820431 29.8248684565678 2429249.764084864 0.180943594014485 227.239854731909 27.4366754152595 65.1882210928226 1301172.23327436 T 89 CATAB v2.0f-lin.ifort 2020-Jan-27 05:44:21 2020-Jan-27 05:44
1955-Dec-08 02:31 < 00:01 Earth 0.29517462424967 0.295172591050499 0.295176657474161 37.4198091280835 37.4195678970544 2435449.604778871 0.203450694599092 173.896350279435 26.6400858702235 -55.3008294737505 1362358.0006759 T 89 CATAB v2.0f-lin.ifort 2020-Jan-27 05:44:21 2020-Jan-27 05:44
1960-Dec-20 23:40 < 00:01 Earth 0.390985178399019 0.390982537452008 0.390987819354431 25.3659013659306 25.3656327052795 2437289.485975862 0.0531593713741884 160.841364900026 27.3908517459734 35.6344235815443 1328214.6174462 T 89 CATAB v2.0f-lin.ifort 2020-Jan-27 05:44:21 2020-Jan-27 05:44
1972-Nov-26 00:45 < 00:01 Earth 0.492834625880041 0.49283259756953 0.49283665419299 45.6892732192671 45.6891548885609 2441647.531335114 0.162256246339333 115.878603048603 25.4743135965849 -30.0161393261705 1527154.38025532 T 89 CATAB v2.0f-lin.ifort 2020-Jan-27 05:44:21 2020-Jan-27 05:44
1977-Dec-15 11:03 < 00:01 Earth 0.246011818046288 0.246011090543973 0.246012545556449 31.3539489048727 31.3536034697187 2443492.960445009 0.100442365102206 109.889817449132 26.9940461396991 76.8484358297256 1344806.61199775 T 89 CATAB v2.0f-lin.ifort 2020-Jan-27 05:44:21 2020-Jan-27 05:44
1994-Dec-05 20:27 < 00:01 Earth 0.333532483638244 0.333531702904659 0.33353326437325 39.0645959921721 39.0643914927811 2449692.352329592 0.0768733699062907 59.5661743194645 25.181940479698 -56.6312508936138 1706911.27473018 T 89 CATAB v2.0f-lin.ifort 2020-Jan-27 05:44:21 2020-Jan-27 05:44
1999-Dec-21 05:53 < 00:01 Earth 0.352964661244371 0.352963778655226 0.352965543833776 26.3456581195058 26.345371586642 2451533.745437048 0.0414337855709928 47.5330054425729 25.4712145464922 26.5768121802711 1401588.92145838 T 89 CATAB v2.0f-lin.ifort 2020-Jan-27 05:44:21 2020-Jan-27 05:44
2016-Dec-13 23:33 < 00:01 Earth 0.247177345311419 0.24717679218191 0.247177898441055 32.5558065553801 32.5554754414574 2457736.481371675 0.0533236255476396 33.9940386479686 24.7243096795466 58.3937439307149 1405406.34581179 T 89 CATAB v2.0f-lin.ifort 2020-Jan-27 05:44:21 2020-Jan-27 05:44
2033-Dec-04 13:38 < 00:01 Earth 0.359086543350173 0.359085448289527 0.35908763841235 40.0002791363191 40.0000936332021 2463936.067902526 0.103270705849811 69.1528936434293 27.1464541764647 -41.8449563569135 1425999.9582533 T 89 CATAB v2.0f-lin.ifort 2020-Jan-27 05:44:21 2020-Jan-27 05:44
2038-Dec-20 18:49 < 00:01 Earth 0.335216495423257 0.335215260223243 0.335217730626758 26.9441442353102 26.9438492333117 2465778.284271664 0.0671414676747535 86.3833485036645 28.0093066415735 47.8306103414433 1427233.62226354 T 89 CATAB v2.0f-lin.ifort 2020-Jan-27 05:44:21 2020-Jan-27 05:44
2055-Dec-14 04:02 < 00:01 Earth 0.253705846759076 0.253705173848015 0.253706519678762 33.2324637799633 33.2321477549882 2471980.668265890 0.152541757602021 135.168877206091 27.7257056378979 -81.7860962620863 1359830.96853347 T 89 CATAB v2.0f-lin.ifort 2020-Jan-27 05:44:21 2020-Jan-27 05:44
2072-Dec-03 17:27 < 00:01 Earth 0.377829473485653 0.377826643233432 0.377832303751125 40.6331371822339 40.6329636272471 2478180.226991860 0.246040259668301 181.260867279259 26.9397341668238 -39.3862267255982 1337110.00669381 T 89 CATAB v2.0f-lin.ifort 2020-Jan-27 05:44:21 2020-Jan-27 05:44
2077-Dec-20 09:27 < 00:01 Earth 0.326337772256958 0.326335144381767 0.326340400162162 27.3150814534815 27.3147825404228 2480022.893922664 0.133005108498871 206.635416849539 27.9357252973822 51.2928259831194 1412842.7508769 T 89 CATAB v2.0f-lin.ifort 2020-Jan-27 05:44:21 2020-Jan-27 05:44
2094-Dec-13 19:12 < 00:01 Earth 0.259559730009856 0.259558678236611 0.259560781852875 33.4653711632186 33.4650644154676 2486225.299860205 0.275736540062708 255.053454102776 27.6129564534175 -79.871031605123 1388024.31165858 T 89 CATAB v2.0f-lin.ifort 2020-Jan-27 05:44:21 2020-Jan-27 05:44
2111-Dec-05 16:06 < 00:01 Earth 0.381867414037275 0.381862962486148 0.381871865623718 40.6377836918944 40.6376119917503 2492425.170543703 0.383378267367198 288.635086241912 26.8758143434465 -39.9375169721876 1356738.94329696 T 89 CATAB v2.0f-lin.ifort 2020-Jan-27 05:44:21 2020-Jan-27 05:44
2116-Dec-21 09:51 < 00:01 Earth 0.329137952555263 0.329134020528752 0.329141884654628 27.309804013034 27.3095075857553 2494267.910283944 0.192673371979877 315.136184407219 27.8921993531091 51.8079310533654 1432015.77136713 T 89 CATAB v2.0f-lin.ifort 2020-Jan-27 05:44:21 2020-Jan-27 05:44
2133-Dec-14 20:18 < 00:01 Earth 0.264703553498903 0.264702187091484 0.264704920062356 33.4538465043932 33.4535456138916 2500470.346004677 0.380819795263388 357.061131971486 27.5944191583347 -79.9207706458971 1416450.9075992 T 89 CATAB v2.0f-lin.ifort 2020-Jan-27 05:44:21 2020-Jan-27 05:44
2150-Dec-05 21:06 < 00:01 Earth 0.382626059109327 0.382620160215916 0.382631958070141 40.489976789331 40.4898048040792 2506670.379421175 0.511555601887805 388.848152006658 26.9013224333502 -40.9644933418902 1383208.73671272 T 89 CATAB v2.0f-lin.ifort 2020-Jan-27 05:44:21 2020-Jan-27 05:44
2155-Dec-22 11:34 < 00:01 Earth 0.335972753985247 0.335967499595091 0.335978008504179 27.2096351010391 27.2093436350358 2508512.982121269 0.243026528201514 421.265894089047 27.8781094637867 51.6975561689668 1459008.75104574 T 89 CATAB v2.0f-lin.ifort 2020-Jan-27 05:44:21 2020-Jan-27 05:44
2172-Dec-15 04:35 < 00:01 Earth 0.267637657983443 0.267636316884019 0.26763899933598 33.1641136697668 33.1638134780488 2514715.691288664 0.474193705200272 455.615634364684 27.628304124547 -82.3034963586407 1440889.17810783 T 89 CATAB v2.0f-lin.ifort 2020-Jan-27 05:44:21 2020-Jan-27 05:44
2189-Dec-06 05:41 < 00:01 Earth 0.379404111732635 0.379397120339385 0.379411103232812 40.2069186375541 40.206743970709 2520915.737015685 0.614633044061705 472.274139509205 26.94914649947 -42.5069928511559 1409751.01626723 T 89 CATAB v2.0f-lin.ifort 2020-Jan-27 05:44:21 2020-Jan-27 05:44
2194-Dec-22 14:08 < 00:01 Earth 0.344048640991719 0.344042253166524 0.344055028995741 27.0151660997927 27.0148794265413 2522758.088792924 0.277173760747041 505.605357260172 27.8738487447007 51.0559702724607 1481271.5362043 T 89 CATAB v2.0f-lin.ifort 2020-Jan-27 05:44:21 2020-Jan-27 05:44
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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