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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 286 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5730839068207639 3.1227e-09  
a 2.384435232787223 3.3223e-09 au
q 1.017953774020444 7.2207e-09 au
i 5.865877620140473 1.9637e-06 deg
node 27.01552519536889 5.0363e-06 deg
peri 174.5661496015714 6.2748e-06 deg
M 12.10138704233093 7.2313e-07 deg
tp 2458955.292616369044
(2020-Apr-15.79261637)		 2.6983e-06 TDB
period 1344.858903381484
3.68		 2.8108e-06
7.696e-09		 d
yr
n .2676860740519499 5.5947e-10 deg/d
Q 3.750916691554002 5.2263e-09 au
   Orbit Determination Parameters
   # obs. used (total)      4739  
   # delay obs. used      3  
   # Doppler obs. used      0  
   data-arc span      11996 days (32.84 yr)  
   first obs. used      1987-06-30  
   last obs. used      2020-05-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .21867  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-16 06:35:56  

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 1.23002328834268 1.23002313350909 1.23002344317635 3.88323274913675 3.70165507263789 2416661.707776761 0.0741618751592284 19.9480996728308 3.46829607485191 71.7232460175246 19923990.8563291 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
1906-Jun-03 08:13 < 00:01 Earth 0.375360915119706 0.375360049288063 0.375361780951393 18.7670464005603 18.766668156814 2417364.842244298 0.0803077268934941 43.4906352142399 3.50894555137913 6.93523395440271 2009023.58095063 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
1917-Jun-07 23:36 < 00:01 Earth 0.420758547340765 0.420758281121082 0.420758813560471 20.4999602694081 20.4996513610476 2421387.483156917 0.0231703239804946 13.5527054263441 3.35330298959277 11.9959914564842 5243270.98171487 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
1928-May-28 05:40 < 00:01 Earth 0.258599807272021 0.258598524598151 0.258601089946127 15.7975324208419 15.7968801861873 2425394.736207257 0.143175846802099 65.0884688359712 3.17491845641285 10.7016114341866 2006701.46883829 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
1939-May-17 01:57 < 00:01 Earth 0.135639518228271 0.135637569504075 0.135641466954796 11.8973192541607 11.8956680257917 2429400.581469014 0.333598714737793 101.137932502557 2.71595976688247 16.1180039495664 1783850.83363187 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
1950-May-30 00:03 < 00:01 Earth 0.308902816814428 0.308900992400086 0.30890464122898 16.7770186589361 16.7765045177971 2433431.501822826 0.190264814479178 91.8582224106562 3.06241555578834 7.96474672965507 1841648.25290258 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
1952-Feb-26 08:22 < 00:01 Jupiter 1.23150126797471 1.23150104019324 1.23150149575632 3.94174628874162 3.76321277532695 2434068.848324307 0.133739937310468 21.6909232274586 3.19263555147475 -62.6817480020997 26145259.724183 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
1999-Nov-29 14:37 < 00:01 Jupiter 1.65752057503138 1.6575200540436 1.65752109601915 5.21636555123741 5.11746362629249 2451512.108818718 0.0671365872754301 26.1128161931915 5.71687692112139 -17.7062741110235 7643312.3916127 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
2009-Mar-12 01:47 < 00:01 Earth 0.179453438025586 0.179453038621863 0.17945383742935 11.8905433041584 11.8892945363906 2454902.574584965 0.0620738087568872 20.3734289493259 2.48946755415281 -12.2754814938979 2160238.37768579 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
2011-Feb-18 01:06 < 00:01 Jupiter 1.42903656616923 1.42903618866326 1.42903694367528 4.49932631228114 4.36560324800112 2455610.545591262 0.0309099478994163 21.1949028669716 4.71808705737105 34.108680705714 11528846.00355 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
2020-Apr-29 09:56 < 00:01 Earth 0.0420484958776756 0.0420484773618944 0.0420485143934568 8.70158484340891 8.69429957807514 2458968.913767243 0.00657476777042866 2.09052329777936 0.922082204350149 -88.7052219949155 6100584.41823679 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
2031-May-18 06:56 < 00:01 Earth 0.127113864039137 0.127113492167808 0.127114235910596 11.5959280361183 11.5941202469545 2463004.788784234 0.070993364653003 19.6205179939055 2.81735331088739 19.2960788355525 2068446.29314848 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
2042-May-30 22:47 < 00:01 Earth 0.265008592092856 0.265007989961281 0.265009194224491 15.8584561774008 15.8578221614604 2467035.449199364 0.070788972728194 30.5846133904754 3.22191359917289 11.0428748076502 2300272.61744202 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
2058-Dec-04 04:25 < 00:01 Jupiter 1.19951073218037 1.19951066348548 1.19951080087526 3.87296969813536 3.68613812415617 2473066.683774968 0.0725043140440821 13.8408954692484 1.80527182113691 -79.2810234121494 31069076.6426545 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
2068-Feb-28 15:25 < 00:01 Earth 0.334591702568195 0.334590795473406 0.334592609663021 17.0704766024781 17.0700100962163 2476440.142258974 0.0901278165358062 45.6180273569697 2.59821757955286 -7.4745335698975 2326076.65081631 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
2079-Apr-16 13:31 < 00:01 Earth 0.0118494670018052 0.0118494350191633 0.01184949899202 8.16985962196806 8.14228990276845 2480505.063077600 0.340398190644379 20.3395060836078 1.07671285982155 86.6766605747132 1675289.08495872 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
2079-Apr-16 14:37 < 00:01 Moon 0.00919251788143743 0.00919248611016877 0.00919254966127303 7.26821406773205 7.26772353133868 2480505.109356320 0.353296129977415 19.2596612034713 1.08448489608592 86.5555305394619 1266847.20904248 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
2090-May-17 12:09 00:04 Earth 0.114956015570283 0.114934728371274 0.114977303349855 11.1407921036392 11.1387114243657 2484554.006442516 4.33451186576582 1137.01947882231 2.86662938132851 21.0152601756975 1849814.51823525 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
2101-Jun-10 21:27 00:03 Earth 0.405313868389805 0.405281589940359 0.40534614688139 19.8490039829304 19.8486727863858 2488595.393566979 2.92094325181596 1622.73728652743 3.692571048026 7.30542966491431 1825501.13382706 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
2106-Oct-16 06:49 00:02 Jupiter 1.80431065215913 1.80430005873793 1.80432124557858 5.73519477558453 5.65274901616546 2490548.783722007 2.22146170706322 520.476058869714 5.78644639960067 -10.9598153121796 3991716.89266822 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
2118-Jan-22 04:03 00:03 Jupiter 1.27970567818839 1.27969952501898 1.27971183138545 4.09768247090896 3.93283924964897 2494664.668462933 2.71536748423073 431.101347070984 3.6539726907641 49.0983534619353 16121877.0771852 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
2127-Apr-16 14:51 00:16 Earth 0.0167849413306878 0.0167798037116333 0.0167900973443493 8.03591045759145 8.01613200890874 2498036.118404799 15.7947079738908 914.070994132548 0.986306064740105 73.6947696864718 2526163.31372605 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
2138-May-20 22:03 01:51 Earth 0.120794012334878 0.120236606740989 0.121351831371284 11.3702482449677 11.3683081005566 2502088.418948893 110.839431364818 29956.1796598643 3.00699305976873 21.8577490760159 1919609.58394162 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
2149-Jun-05 08:36 01:29 Earth 0.283855184370987 0.283015166310271 0.284695314173619 16.4833163401913 16.4827468602457 2506121.858515722 89.2772496805068 42822.1660526321 3.53837128466731 11.9795537916447 2139361.35931299 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
2165-Nov-21 06:13 01:04 Jupiter 1.3411157095026 1.34094366761945 1.34128775846908 4.29336083916602 4.14364408666963 2512134.759353010 63.5453996775426 9906.8909276193 4.22548351757663 -37.1351869296116 12214470.1951166 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
2175-Mar-09 16:05 01:48 Earth 0.26060675238816 0.259608286304871 0.261605295733423 14.6647979527351 14.6641007470292 2515530.170281939 108.349372796064 50291.6807749333 2.45941679903088 -8.10927425953309 1870823.85388988 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
2177-Mar-02 19:39 01:07 Jupiter 1.68933389390433 1.68903660741669 1.68963118399031 5.35846653297714 5.26406447817736 2516254.318522735 67.0462961302773 15335.7612463928 4.88428391068422 21.6882995008241 9020209.72311949 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
2186-May-27 16:55 02:10 Earth 0.182386366632744 0.181492348628067 0.183280794228755 13.0369170809569 13.0357964470782 2519627.205020011 130.193735034563 46627.8629191818 3.2691127313129 17.0106038120997 2060201.13498828 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
2197-Jun-18 12:30 00:48 Earth 0.472663856503201 0.472108127999061 0.473219592983917 22.0372688089797 22.0370130065212 2523667.020550207 47.7844891959045 27880.7734846633 4.05777680289796 6.31261696978662 1696302.45081932 T 286 CATAB v2.0f-lin.ifort 2020-May-16 06:36:08 2020-May-16 06:36
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