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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 301 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5730839067517248 3.0532e-09  
a 2.384435232752612 3.3208e-09 au
q 1.017953774170287 7.0495e-09 au
i 5.86587744461835 1.9308e-06 deg
node 27.01552498368495 4.8307e-06 deg
peri 174.5661499388846 6.0508e-06 deg
M 12.10138701713318 7.1699e-07 deg
tp 2458955.292616464160
(2020-Apr-15.79261646)
2.6753e-06 TDB
period 1344.858903352202
3.68
2.8095e-06
7.692e-09
d
yr
n .2676860740577783 5.5921e-10 deg/d
Q 3.750916691334937 5.2239e-09 au
  Orbit Determination Parameters
   # obs. used (total)      5192  
   # delay obs. used      3  
   # Doppler obs. used      0  
   data-arc span      12097 days (33.12 yr)  
   first obs. used      1987-06-30  
   last obs. used      2020-08-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .21125  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 04:56:18  

Additional Information
 Earth MOID = .0154377 au 
 Jupiter MOID = 1.20745 au 
 T_jup = 3.286 
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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 15.8   n/a MPO422042  
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. 2019-August); 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. 46-4, in press.]

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

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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
1904-Jun-30 04:59 < 00:01 Jupiter 1.2300232906553 1.23002313666814 1.23002344464253 3.88323273051019 3.70165505344741 2416661.707773586 0.0740931819584179 19.8037470996686 3.43321418341507 71.6471652973736 20176072.5954331 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
1906-Jun-03 08:13 < 00:01 Earth 0.375360909995079 0.375360044197437 0.375361775792743 18.7670461715755 18.7666679278195 2417364.842243362 0.080265992926957 43.4888361273973 3.38706995851197 6.93268869475646 2059249.38333437 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
1917-Jun-07 23:36 < 00:01 Earth 0.420758548592113 0.420758283039007 0.42075881414522 20.4999602544101 20.4996513460503 2421387.483156648 0.0231360227368914 13.5067453798244 3.24487828068169 11.7146462154302 5278709.15023427 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
1928-May-28 05:40 < 00:01 Earth 0.258599815036366 0.258598532573001 0.258601097499951 15.7975326694446 15.7968804348199 2425394.736208379 0.143166388388652 65.0749564832365 3.05624936032157 10.6874459154853 2077844.63470683 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
1939-May-17 01:57 < 00:01 Earth 0.135639532075508 0.135637583449295 0.135641480704051 11.89731968577 11.8956684576295 2429400.581471154 0.333585365675735 101.13085786002 2.60546103807258 16.1136255140267 1859092.58174067 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
1950-May-30 00:03 < 00:01 Earth 0.308902832009275 0.308901007702604 0.308904656316157 16.7770192079065 16.7765050668096 2433431.501825385 0.190240709147396 91.8527564171628 2.9428514762506 7.96420313158414 1912970.16273982 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
1952-Feb-26 08:22 < 00:01 Jupiter 1.2315012679269 1.23150104103223 1.23150149482165 3.94174631668649 3.76321280459048 2434068.848317782 0.133673153661145 21.5580859725594 3.15772298082417 -62.6250322080903 27295399.9350913 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
1999-Nov-29 14:37 < 00:01 Jupiter 1.65752057088236 1.6575200535958 1.65752108816893 5.21636555771501 5.11746363264532 2451512.108817350 0.0669734416865868 25.906248745628 5.61284345074744 -17.5809366070892 7756795.73330754 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
2009-Mar-12 01:47 < 00:01 Earth 0.179453434184396 0.179453034866133 0.179453833502699 11.8905431895096 11.889294421703 2454902.574585302 0.0620289634962908 20.3701532480553 2.46603044092937 -12.2879662738178 2176640.65553142 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
2011-Feb-18 01:06 < 00:01 Jupiter 1.42903657064777 1.42903619577272 1.4290369455229 4.49932631035365 4.36560324644009 2455610.545591310 0.0306874006169016 21.0137931542822 4.59878541736208 33.9033911392548 11670286.4475081 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
2020-Apr-29 09:56 < 00:01 Earth 0.042048495605758 0.0420484773692814 0.0420485138422345 8.70158478774505 8.69429952231751 2458968.913766998 0.00647732747255017 1.99644884527352 0.908716045532693 -89.1135199358384 6184452.29858976 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
2031-May-18 06:56 < 00:01 Earth 0.127113862379572 0.127113490604904 0.127114234154369 11.5959280222603 11.5941202330707 2463004.788785269 0.0709189858346797 19.6115865167803 2.70820549419149 19.247506320214 2136538.64335398 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
2042-May-30 22:47 < 00:01 Earth 0.265008591507367 0.265007989738806 0.265009193275988 15.8584561906431 15.8578221747018 2467035.449200034 0.0706801779488418 30.5650234544274 3.10235452698008 11.0271954055818 2367689.00088678 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
2058-Dec-04 04:25 < 00:01 Jupiter 1.1995107315956 1.19951066366192 1.19951079952928 3.87296965771744 3.68613808159628 2473066.683783047 0.0722429188324772 13.6511973142484 1.78210734358298 -79.3326594635151 32259943.2513721 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
2068-Feb-28 15:25 < 00:01 Earth 0.334591700892653 0.334590794886327 0.334592606899017 17.0704764837406 17.0700099774732 2476440.142259842 0.0900156300978763 45.5638116500718 2.57406049356312 -7.47936558049483 2345836.79837109 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
2079-Apr-16 13:31 < 00:01 Earth 0.0118494670597846 0.0118494355961656 0.0118494985311739 8.16985957674066 8.14228985752303 2480505.063077610 0.340043532912178 20.32555694562 1.0418287130715 86.6843242680336 1729768.11173249 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
2079-Apr-16 14:37 < 00:01 Moon 0.00919251793239554 0.00919248669850918 0.00919254917508242 7.26821401674299 7.2677234803489 2480505.109356329 0.352924447703453 19.2466583470725 1.04884932071604 86.5641164097092 1309834.71355747 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
2090-May-17 12:09 00:04 Earth 0.114956013671118 0.11493474331707 0.114977284604756 11.1407920948399 11.1387114155304 2484554.006443935 4.33101465391274 1136.11346572134 2.75787609642541 21.0144339233876 1923287.77479213 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
2101-Jun-10 21:27 00:03 Earth 0.405313867800655 0.405281615030815 0.405346120612565 19.8490039412329 19.848672744687 2488595.393566896 2.91859487645265 1621.44407760158 3.56413073510946 7.30481773335112 1891444.65601006 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
2106-Oct-16 06:49 00:02 Jupiter 1.80431064629296 1.80430006158075 1.80432123100343 5.73519476331924 5.65274900345127 2490548.783721465 2.2196245339551 520.04407216011 5.64914661809534 -10.9580599439138 4107636.4386541 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
2118-Jan-22 04:03 00:03 Jupiter 1.27970568098398 1.27969953286771 1.27971182912782 4.09768243253893 3.93283921003834 2494664.668459157 2.71315508594407 430.735022780929 3.53282454830864 49.0964491059572 16371334.2315394 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
2127-Apr-16 14:51 00:16 Earth 0.0167849406583681 0.0167798071458174 0.0167900925363883 8.03591040833145 8.016131958734 2498036.118406400 15.7820609575458 913.345837482103 0.960672567403437 73.6948875504166 2589488.55490564 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
2138-May-20 22:03 01:51 Earth 0.120794096164625 0.120237134486064 0.12135147062526 11.3702509693156 11.368310826716 2502088.418961319 110.750991474758 29932.3055670442 2.89755954259408 21.8577101736753 1992772.16007048 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
2149-Jun-05 08:36 01:29 Earth 0.283855313530891 0.283015964547544 0.284694774077587 16.4833203004929 16.4827508209433 2506121.858525617 89.2060798020987 42788.0510551591 3.41658687946522 11.9795241584127 2216261.66550735 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
2165-Nov-21 06:13 01:04 Jupiter 1.34111573364003 1.34094382872529 1.34128764562666 4.29336098092422 4.14364423629308 2512134.759353243 63.4947473343963 9898.99017730232 4.1133912692655 -37.1351044498106 12774145.6337034 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
2175-Mar-09 16:05 01:48 Earth 0.260606587760882 0.259608916439728 0.261604336221185 14.6647929295255 14.6640957231404 2515530.170293839 108.26319185639 50251.6483056664 2.43234427233296 -8.10927760421377 1891059.45158289 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
2177-Mar-02 19:39 01:07 Jupiter 1.68933385147611 1.68903680169665 1.68963090484815 5.35846633412941 5.26406427337143 2516254.318527650 66.9928966002089 15323.5431465492 4.73595021877335 21.6882280967373 9261697.98212337 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
2186-May-27 16:55 02:10 Earth 0.182386516510644 0.181493209603664 0.183280232355563 13.0369218749157 13.0358012423701 2519627.205036120 130.090021050173 46590.759011821 3.15569290054843 17.0105728346511 2135108.93173516 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
2197-Jun-18 12:30 00:48 Earth 0.472663954600561 0.47210866785431 0.473219249310626 22.0372717206141 22.0370159182426 2523667.020556520 47.746480768199 27858.6082883972 3.92472199223311 6.31257714761361 1754029.08095052 T 301 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:29 2020-Aug-25 04:56
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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