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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 287 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .573083906595554 3.1225e-09  
a 2.38443523275951 3.3223e-09 au
q 1.017953774545611 7.2202e-09 au
i 5.865877515733178 1.9609e-06 deg
node 27.01552531450879 5.0352e-06 deg
peri 174.5661495781895 6.2713e-06 deg
M 12.10138702436232 7.2266e-07 deg
tp 2458955.292616436958
(2020-Apr-15.79261644)		 2.6965e-06 TDB
period 1344.858903358038
3.68		 2.8107e-06
7.695e-09		 d
yr
n .2676860740566167 5.5946e-10 deg/d
Q 3.750916690973409 5.2263e-09 au
   Orbit Determination Parameters
   # obs. used (total)      4742  
   # delay obs. used      3  
   # Doppler obs. used      0  
   data-arc span      12024 days (32.92 yr)  
   first obs. used      1987-06-30  
   last obs. used      2020-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .2187  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-01 06:00:37  

Additional Information
 Earth MOID = .0154377 au 
 Jupiter MOID = 1.20745 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 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

[ 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 1.23002329104753 1.23002313628714 1.23002344580799 3.88323275986625 3.7016550843028 2416661.707779461 0.0741571936455266 19.9408415913153 3.46808553405238 71.7260980165209 19947203.3328549 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
1906-Jun-03 08:13 < 00:01 Earth 0.375360904534004 0.37536003870311 0.37536177036494 18.7670460574558 18.7666678136919 2417364.842243552 0.0803062483913291 43.4905709226951 3.50422004637059 6.93488501627007 2010835.95205855 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
1917-Jun-07 23:36 < 00:01 Earth 0.420758543270501 0.42075827710021 0.420758809440791 20.4999600989506 20.4996511905846 2421387.483156361 0.0231687254548141 13.549527581237 3.34929921844933 11.9811348441864 5244082.72178103 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
1928-May-28 05:40 < 00:01 Earth 0.258599810781905 0.258598528119013 0.258601093445032 15.797532561417 15.7968803267771 2425394.736208329 0.143175149514796 65.0877799585581 3.17023650789382 10.7009578075392 2009370.20896433 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
1939-May-17 01:57 < 00:01 Earth 0.13563952774154 0.135637579019088 0.13564147646632 11.8973194866154 11.8956682583944 2429400.581469562 0.333598170905002 101.137776584845 2.71196931889982 16.1178584523607 1786449.55712275 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
1950-May-30 00:03 < 00:01 Earth 0.308902827603836 0.30890100319512 0.308904652012763 16.7770189984826 16.776504857372 2433431.501824144 0.190262837919041 91.8579713024005 3.05806553336273 7.96487684619973 1844157.57467009 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
1952-Feb-26 08:22 < 00:01 Jupiter 1.23150126826418 1.23150104054046 1.23150149598797 3.94174630413732 3.76321279149601 2434068.848320076 0.133734985198412 21.6854058027206 3.19151200375752 -62.6826978602728 26155343.1744733 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
1999-Nov-29 14:37 < 00:01 Jupiter 1.65752057224734 1.65752005154449 1.6575210929502 5.21636571490549 5.11746379295596 2451512.108807697 0.0671338296376106 26.098412529651 5.71576451336085 -17.7074302730095 7644380.09514148 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
2009-Mar-12 01:47 < 00:01 Earth 0.179453435850985 0.179453036449714 0.179453835252296 11.8905432872179 11.8892945194331 2454902.574584377 0.0620697254623337 20.3733514399328 2.48837651774238 -12.2760251167347 2161037.12057145 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
2011-Feb-18 01:06 < 00:01 Jupiter 1.42903656988917 1.42903619260115 1.42903694717719 4.4993263183974 4.36560325465816 2455610.545591969 0.0308959712988544 21.1827612087568 4.71789914503501 34.1083557893417 11534378.3938469 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
2020-Apr-29 09:56 < 00:01 Earth 0.0420484957800506 0.0420484772732852 0.0420485142868159 8.70158481031033 8.69429954493191 2458968.913767517 0.00657001848525058 2.08800210565245 0.921653322528243 -88.7171905545259 6104209.67463773 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
2031-May-18 06:56 < 00:01 Earth 0.127113863204076 0.127113491334874 0.127114235073409 11.5959280469312 11.5941202577572 2463004.788785282 0.0709898811604831 19.6203940802689 2.81293962938441 19.2953202405353 2071167.37107766 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
2042-May-30 22:47 < 00:01 Earth 0.26500859314981 0.265007991035813 0.265009195263867 15.8584562343417 15.8578222184061 2467035.449200075 0.0707825897277438 30.5837821952944 3.21686016503394 11.0432803109624 2303148.79131109 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
2058-Dec-04 04:25 < 00:01 Jupiter 1.19951073211772 1.19951066346599 1.19951080076952 3.87296965417864 3.6861380779615 2473066.683785048 0.0724841933762239 13.8345126275124 1.80406641584998 -79.2863897050791 31102441.3509744 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
2068-Feb-28 15:25 < 00:01 Earth 0.334591700612495 0.334590793568875 0.334592607656154 17.0704764641915 17.0700099579232 2476440.142259823 0.0901208200476022 45.6155446626383 2.59695232320938 -7.47538848855296 2327279.13180319 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
2079-Apr-16 13:31 < 00:01 Earth 0.0118494674675938 0.0118494354889523 0.0118494994538095 8.16985958624987 8.14228986801488 2480505.063078021 0.34038616148064 20.3389080565289 1.07641070208471 86.6765489126085 1675685.70153286 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
2079-Apr-16 14:37 < 00:01 Moon 0.00919251834934103 0.00919248658224162 0.00919255012500948 7.26821403490647 7.26772349853586 2480505.109356577 0.353283604044262 19.2591007329366 1.08417511653122 86.5554160036477 1267201.51535094 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
2090-May-17 12:09 00:04 Earth 0.114956024056191 0.114934737559716 0.114977311133184 11.1407923856957 11.1387117066285 2484554.006444477 4.33436469916001 1136.98156954473 2.86210740105828 21.0152096090539 1852738.01782315 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
2101-Jun-10 21:27 00:03 Earth 0.405313882253281 0.405281604881114 0.405346159667587 19.849004354772 19.8486731582449 2488595.393567679 2.92084453132115 1622.68298561325 3.68697384561635 7.30539017943788 1828260.96951458 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
2106-Oct-16 06:49 00:02 Jupiter 1.80431065267654 1.80430005963585 1.80432124571538 5.73519469576184 5.65274893520237 2490548.783727287 2.22138288999502 520.457375866795 5.78560878325041 -10.9598727570696 3992245.14944469 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
2118-Jan-22 04:03 00:03 Jupiter 1.27970567787474 1.27969952492109 1.27971183085604 4.09768242327094 3.93283919997298 2494664.668459458 2.71527579456894 431.086448920059 3.65390187960926 49.0983425712803 16127195.4865209 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
2127-Apr-16 14:51 00:16 Earth 0.0167849391887748 0.0167798017626421 0.0167900950082894 8.03591040556401 8.0161319542259 2498036.118410733 15.7941753425798 914.040204159269 0.986101048867673 73.6948352962917 2526537.61417571 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
2138-May-20 22:03 01:51 Earth 0.12079429826125 0.120236910728624 0.121352099207468 11.3702574875067 11.3683173492658 2502088.418988965 110.835611688682 29955.2028503729 3.00212648256496 21.8577216748273 1922722.90177352 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
2149-Jun-05 08:36 01:29 Earth 0.28385561577056 0.283015624078959 0.284695719196503 16.4833295279963 16.4827600493719 2506121.858547661 89.2743720918261 42820.818401777 3.5326550536893 11.9795328911627 2142819.35338646 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
2165-Nov-21 06:14 01:04 Jupiter 1.34111579591483 1.34094375910782 1.34128783980463 4.29336110259516 4.14364436943789 2512134.759376690 63.5435137676093 9906.59752266771 4.22525227347607 -37.1351819553578 12218097.8790335 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
2175-Mar-09 16:05 01:48 Earth 0.260606238250995 0.259607800791077 0.261604752968795 14.6647821155886 14.6640849077543 2515530.170320457 108.346412019391 50290.2401216224 2.45845858767434 -8.10928331242218 1871557.2089864 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
2177-Mar-02 19:39 01:07 Jupiter 1.68933374529619 1.68903646730471 1.68963102688581 5.35846585244751 5.26406377706471 2516254.318535428 67.0443990967309 15335.3230668754 4.88419310072399 21.6883014849247 9020238.91910026 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
2186-May-27 16:55 02:10 Earth 0.182386828382844 0.181492835085164 0.183281231246581 13.0369317273329 13.0358110975505 2519627.205067045 130.189875729905 46626.5661563082 3.26377129951551 17.0105724599022 2063571.02236799 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
2197-Jun-18 12:30 00:48 Earth 0.472664146920049 0.47210843237363 0.473219869442618 22.0372773430835 22.0370215408813 2523667.020567456 47.7832782267806 27880.0726702877 4.0514186380682 6.3126066942876 1698961.96903661 T 287 CATAB v2.0f-lin.ifort 2020-Jun-01 06:00:51 2020-Jun-01 06:01
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