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52768 (1998 OR2)
Classification: Amor [NEO, PHA]          SPK-ID: 2052768
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 314 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .573245798661541 3.0113e-09  
a 2.384402849773585 3.32e-09 au
q 1.017553933824272 6.9418e-09 au
i 5.866383128875196 1.9056e-06 deg
node 26.98509953651915 4.7321e-06 deg
peri 174.5829135672466 5.9423e-06 deg
M 65.63270536094453 7.1932e-07 deg
tp 2458955.319638782772
(2020-Apr-15.81963878)
2.6493e-06 TDB
period 1344.831506682417
3.68
2.8087e-06
7.69e-09
d
yr
n .2676915273111714 5.5909e-10 deg/d
Q 3.751251765722898 5.2231e-09 au
  Orbit Determination Parameters
   # obs. used (total)      5323  
   # delay obs. used      3  
   # Doppler obs. used      0  
   data-arc span      12131 days (33.21 yr)  
   first obs. used      1987-06-30  
   last obs. used      2020-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .21471  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-18 06:20:55  

Additional Information
 Earth MOID = .0142261 au 
 Jupiter MOID = 1.20599 au 
 T_jup = 3.286 
[ 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 16.00   n/a E2021B10  
diameter diameter 1.75 km 0.3 Arecibo initial assessment April 16-22, 2020 (S. Marshall, P. Taylor)  
rotation period rot_per 4.1120 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Koehn, B.W.; Bowell, E.L.G.; Skiff, B.A.; Sanborn, J.J.; et al. (2014) Minor Planet Bull. 41, 286-300.]
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.; Pravec, P.; Koehn, B.W. (2019). Minor Planet Bull. 46, 458-503.]
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Franco, L.; Marchini, A.; Saya, L.-F.; Galli, G.; et al. (2020) Minor Planet Bull. 47, 242-246.]
[Observers at Arecibo Observatory (2020). https://www.ucf.edu/news/asteroid-visiting-earths-neighborhood-brin gs-its-own-face-mask/]
[Warner, B.D.; Stephens, R.D. (2020) Minor Planet Bull. 47, 200-213.]
[Warner, B.D.; Stephens, R.D. (2020) Minor Planet Bull. 47, 290-304.]

52768 (1998 OR2)          Discovered 1998-Jul-24 by NEAT at Haleakala
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ 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
1904-Jun-30 04:59 < 00:01 Jupiter 1.23002328872866 1.23002313591907 1.23002344153831 3.88323268951638 3.70165501015133 2416661.707766583 0.074050613818371 19.6713489649167 3.39996612619026 71.664606060254 20442102.947582 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
1906-Jun-03 08:13 < 00:01 Earth 0.375360906049424 0.375360040293013 0.375361771805877 18.767046078502 18.7666678347401 2417364.842243225 0.0802468363917619 43.486597367788 3.33857666957325 6.93025446090798 2080074.74889834 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
1917-Jun-07 23:36 < 00:01 Earth 0.420758546133481 0.420758281093116 0.420758811173846 20.4999601180528 20.4996512096892 2421387.483155581 0.0231110192856768 13.4756402756124 3.20261620966382 11.5968175709941 5294578.30667228 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
1928-May-28 05:40 < 00:01 Earth 0.258599813013344 0.258598530639201 0.258601095387707 15.7975325456473 15.7968803110124 2425394.736207241 0.143159913553306 65.0693185670703 3.0095011693156 10.6818893582994 2107390.64400227 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
1939-May-17 01:57 < 00:01 Earth 0.135639528510503 0.135637579932638 0.135641477090689 11.8973196118381 11.8956683836439 2429400.581471126 0.33357385387147 101.127653565015 2.56257533778844 16.1120827699417 1890022.67197515 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
1950-May-30 00:03 < 00:01 Earth 0.308902826317685 0.30890100223526 0.308904650400322 16.7770190269512 16.7765048858393 2433431.501824636 0.190201533842561 91.8415758644632 2.89643301354848 7.96457013950897 1942367.58631556 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
1952-Feb-26 08:22 < 00:01 Jupiter 1.23150127078232 1.23150104443913 1.23150149712558 3.94174631434233 3.76321280255889 2434068.848318110 0.133560095032235 21.4710536576437 3.11762053674014 -62.5551603569591 27845869.4991881 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
1999-Nov-29 14:37 < 00:01 Jupiter 1.65752058086311 1.65752006682456 1.65752109490166 5.21636553248581 5.11746360752983 2451512.108820449 0.0667816889172022 25.7367666839202 5.52060740281222 -17.5199356574569 7860418.10300473 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
2009-Mar-12 01:47 < 00:01 Earth 0.179453435757558 0.179453036504658 0.179453835010499 11.8905431942784 11.8892944264832 2454902.574585040 0.0619744160607543 20.3679840452047 2.43440530808741 -12.3008994497353 2199699.20939522 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
2011-Feb-18 01:06 < 00:01 Jupiter 1.429036563817 1.42903619181494 1.42903693581905 4.49932633230583 4.36560326841571 2455610.545594759 0.0305683563785766 20.8431468002216 4.51433018499101 33.8450287345277 11830648.555182 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
2020-Apr-29 09:56 < 00:01 Earth 0.042048495633316 0.0420484775143503 0.0420485137522818 8.70158480198186 8.69429953657102 2458968.913767560 0.00642578829470245 1.96041569651379 0.903014850688719 -89.2853694291266 6226961.51026515 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
2031-May-18 06:56 < 00:01 Earth 0.12711386244224 0.127113490716106 0.127114234168496 11.5959280076853 11.5941202184944 2463004.788784707 0.0708800483762072 19.6077776307633 2.66490160683507 19.2307379376031 2165372.15459993 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
2042-May-30 22:47 < 00:01 Earth 0.26500859049993 0.265007988967243 0.265009192032661 15.8584561609716 15.8578221450267 2467035.449199775 0.0706097115813743 30.5527873877735 3.05458565149058 11.0229872185342 2396534.93312996 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
2058-Dec-04 04:25 < 00:01 Jupiter 1.19951073329587 1.19951066576229 1.19951080082944 3.87296968792754 3.68613811360912 2473066.683773632 0.0719527452221062 13.5271556802677 1.76324444020878 -79.2938200536875 32816338.2957803 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
2068-Feb-28 15:25 < 00:01 Earth 0.334591702408051 0.334590796962011 0.334592607854128 17.0704765826497 17.0700100763872 2476440.142258725 0.0899285750062081 45.5365599107295 2.54061205034345 -7.48796484882227 2374326.15182665 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
2079-Apr-16 13:31 < 00:01 Earth 0.0118494679832404 0.0118494367797514 0.0118494991945945 8.16985956191309 8.14228984479746 2480505.063079005 0.339894559893364 20.3180790466727 1.02472839681323 86.6895260166791 1758414.75446773 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
2079-Apr-16 14:37 < 00:01 Moon 0.00919251888222361 0.00919248791684397 0.00919254985651507 7.26821402921471 7.26772349287216 2480505.109357395 0.352768747545377 19.2395740600557 1.03144102289815 86.569911544911 1331969.4621037 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
2090-May-17 12:09 00:04 Earth 0.114956067735736 0.114934805601222 0.114977330449369 11.140793812635 11.1387131346251 2484554.006451321 4.3293029305688 1135.67147330201 2.71444551491546 21.014043706904 1954247.41279998 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
2101-Jun-10 21:27 00:03 Earth 0.405313946083181 0.405281705871942 0.405346186336444 19.8490062373012 19.8486750408577 2488595.393571637 2.9174436878213 1620.8116341106 3.51264096516085 7.30451818536517 1919170.39239725 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
2106-Oct-16 06:49 00:02 Jupiter 1.80431068173756 1.80430010153658 1.80432126193678 5.73519474259659 5.6527489840578 2490548.783732664 2.21875145857845 519.822409079524 5.54889866197653 -10.9582402839984 4186576.44498211 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
2118-Jan-22 04:03 00:03 Jupiter 1.27970566259592 1.27969951709601 1.2797118081234 4.09768243174246 3.93283920679021 2494664.668469582 2.71208583188094 430.554315339834 3.46097199476155 49.0964876508063 16633299.9643109 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
2127-Apr-16 14:51 00:16 Earth 0.0167849305470311 0.0167797991627667 0.0167900802824185 8.03591031705838 8.01613185530638 2498036.118430504 15.7758483749482 912.986841300312 0.947360470782197 73.6952564834528 2624952.61957405 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
2138-May-20 22:04 01:51 Earth 0.120795295349757 0.12023854952729 0.121352453625148 11.3702896758006 11.3683495590689 2502088.419126222 110.707090126958 29920.6751193412 2.85285449156419 21.8575892293018 2024232.03864171 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
2149-Jun-05 08:36 01:29 Earth 0.283857117409136 0.283018090260235 0.284696256033366 16.4833754927044 16.4828060186807 2506121.858658603 89.1715478961781 42771.6289187457 3.3662873412001 11.9794318291185 2249537.51436241 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
2165-Nov-21 06:14 01:03 Jupiter 1.34111610833085 1.34094426803988 1.34128795568836 4.29336208136544 4.14364541907968 2512134.759458079 63.470861573564 9895.26355427528 4.04040788745772 -37.1350805066046 13049825.2210973 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
2175-Mar-09 16:05 01:48 Earth 0.260604457985905 0.259607157925994 0.261601835128948 14.6647271846869 14.6640299694778 2515530.170454630 108.22353295682 50232.9524735849 2.39981890778379 -8.10931710146706 1916527.36758545 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
2177-Mar-02 19:39 01:07 Jupiter 1.68933320633237 1.68903626716065 1.68963014909398 5.35846431043122 5.26406217700691 2516254.318632966 66.9680572188798 15317.8377546355 4.65037681891835 21.6882349111167 9421840.22597052 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
2186-May-27 16:56 02:10 Earth 0.182388424492364 0.181495446055787 0.183281811555019 13.0369822892138 13.0358616735852 2519627.205227452 130.041096046524 46573.5900547643 3.10852684976758 17.0104390768994 2167748.10470925 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
2197-Jun-18 12:30 00:48 Earth 0.472665137652034 0.472110049290125 0.473220233971921 22.0373066123383 22.037050811012 2523667.020627103 47.7293686792891 27848.6526133258 3.86980229516778 6.31252682868454 1778965.4592236 T 314 CATAB v2.0f-lin.ifort 2021-Mar-18 06:21:09 2021-Mar-18 06:21
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