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231937 (2001 FO32)
Classification: Apollo [NEO, PHA]          SPK-ID: 2231937
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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 64 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8261262310683198 1.3276e-07  
a 1.701128763829462 3.3786e-09 au
q .2957816696051185 2.2583e-07 au
i 38.98192649560115 3.9873e-05 deg
node 181.7315415517338 5.8949e-06 deg
peri 123.3136635268795 2.2405e-05 deg
M 299.1600428044794 7.6554e-06 deg
tp 2459337.459009947578
(2021-May-02.95900995)		 1.7504e-05 TDB
period 810.4089130548909
2.22		 2.4143e-06
6.61e-09		 d
yr
n .4442201883527611 1.3234e-09 deg/d
Q 3.106475858053805 6.1697e-09 au
   Orbit Determination Parameters
   # obs. used (total)      199  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      7304 days (20.00 yr)  
   first obs. used      2001-03-23  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .35147  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:57:37  

Additional Information
 Earth MOID = .00375128 au 
 Jupiter MOID = 3.10609 au 
 T_jup = 3.560 
[ 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 17.7   n/a MPO229967  
diameter diameter 0.55 km 0.11 personal communication from Ned Wright (2021-Mar-09) based on a preliminary NEOWISE result

231937 (2001 FO32)          Discovered 2001-Mar-23 by LINEAR at Socorro
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ 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
1901-Aug-01 11:15 < 00:01 Mercury 0.0364981691580476 0.0364945513374283 0.0365017892508262 55.2980980474278 55.2980250773294 2415597.968684992 0.333714950057613 497.425706592291 36.2112527102057 69.1231607285851 140934.100113732 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
1903-Nov-05 02:30 < 00:01 Earth 0.49479086418498 0.494789638607201 0.494792089768104 36.0880258769018 36.0878766564134 2416423.604011700 0.553898036372122 363.781233428865 59.5322667376289 -87.7936149821719 1170006.97390708 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
1912-Aug-31 16:03 < 00:01 Mercury 0.0690153906739235 0.0690085894275911 0.0690221920625027 62.6869016175572 62.6868675764809 2419646.168720864 0.232896603952761 373.761091681341 34.8266106611401 -24.966298080093 127506.005042291 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
1919-Mar-13 00:34 < 00:01 Earth 0.218941624163261 0.218939135953865 0.218944112372668 40.3817987989471 40.3814974289726 2422030.523296984 0.181528258479829 124.095689830068 14.1856940029771 -1.0099733113319 264066.11823846 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
1930-Apr-02 10:37 < 00:01 Earth 0.285046483739409 0.28504570106237 0.285047266416707 27.0116987256567 27.0113526687244 2426068.942425454 0.0440886701653864 41.4818163461523 9.56616812975079 -20.3737512975318 1741442.46382833 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
1939-Mar-01 17:34 < 00:01 Earth 0.453264711463626 0.453263633222759 0.45326578970452 47.8057866293928 47.8056636646692 2429324.231726658 0.0697769259914087 53.9308692553115 23.6655609902043 4.96674310163427 1255091.6301686 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
1950-Mar-23 14:42 < 00:01 Earth 0.0332120712649104 0.0332093498157834 0.033214792775473 33.3477593687391 33.3453535361542 2433364.112676539 0.170255242350478 153.483042901532 15.3623099292927 -27.9995367749129 154455.100122587 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
1954-Nov-05 02:12 < 00:01 Earth 0.497394441526345 0.497393238588052 0.49739564447708 36.3871097882396 36.3869625689402 2435051.591424649 0.358307593492931 221.264140666742 48.7770932180224 -80.689776606454 1396962.21717969 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
1965-Nov-22 16:22 < 00:01 Mercury 0.0695861761896638 0.0695820934158883 0.0695902590101026 62.5005783066548 62.5005444441539 2439087.182199001 0.137028253619318 223.131183412188 36.1569985123867 -24.5006769992064 126617.146674529 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
1968-Jan-07 17:53 < 00:01 Venus 0.113444589568757 0.113442281489738 0.113446897664743 42.8476138070249 42.847167060914 2439863.245467382 0.141242661791139 135.206809999681 25.5288166725647 -32.3014620607355 368131.54920769 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
1970-Mar-15 14:19 < 00:01 Earth 0.158771175877622 0.158768998442153 0.158773353313623 38.5411813871296 38.5407459573516 2440661.096667662 0.128395447488753 109.566907655948 17.2690785412264 7.79558106128805 281524.653368061 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
1979-Feb-07 09:38 < 00:01 Venus 0.0722327671849355 0.07223208406625 0.072233450323806 37.8747839620845 37.8739902023224 2443911.901204829 0.0912234821424995 91.1463116016741 23.9103165002926 73.9862880140465 435360.179276706 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
1981-Apr-04 14:21 < 00:01 Earth 0.368645414898476 0.368643828126761 0.36864700167019 25.2221532669177 25.2218667014685 2444699.097707671 0.0573596477099319 79.1464085421798 17.8478140566203 1.31540162001822 751420.582092988 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
1990-Mar-06 01:18 < 00:01 Earth 0.363468501074703 0.363467446603703 0.363469555545766 44.8042254571975 44.8040618405853 2447956.554021162 0.0640719516021934 53.1859690375614 20.6609458339884 9.38513949174841 1079369.03127911 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
1996-Dec-14 13:37 < 00:01 Mercury 0.0799641992706165 0.079962261068054 0.079966137490779 50.0952000627305 50.0951632977474 2450432.067601903 0.0678039434605616 114.075863191984 20.9276983571206 32.7085017577804 321500.78588948 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2001-Mar-28 19:48 < 00:01 Earth 0.165357448533967 0.165356720328459 0.165358176739485 29.7874403400108 29.7868993872367 2451997.324841945 0.0347060053182849 36.3577503304702 14.4433173249956 3.10048683062012 703494.33359293 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2008-Jan-16 18:01 < 00:01 Mercury 0.0935934238304579 0.0935912083500504 0.0935956393108654 65.3223810710685 65.3223569820748 2454482.250455169 0.0373663820557989 110.477051322369 15.0679804765648 0.0244529605481182 126654.441690367 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2021-Mar-21 16:03 < 00:01 Earth 0.0134787448360377 0.0134782436667698 0.0134792460054565 34.4131634664893 34.4074186711847 2459295.168553930 0.0463624902852278 25.1614369273777 15.9238103073137 8.62533802624946 81159.7258968568 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2032-Apr-05 10:58 < 00:01 Earth 0.420921275054543 0.420917795225422 0.42092475488407 24.2470249501992 24.2467638811676 2463327.956624696 0.104444349916024 174.786176527771 20.2541717746147 6.93030785192505 566496.429961499 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2041-Mar-04 15:22 < 00:01 Earth 0.390485485654038 0.390479575885775 0.390491395422344 45.6011630481148 45.6010134134365 2466583.140162337 0.396987914450994 294.771924740275 19.448872732014 1.30578673831129 206287.889811944 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2052-Mar-22 18:57 < 00:01 Earth 0.018936774978852 0.018926943037707 0.0189466071041098 33.5294971509347 33.525300464918 2470619.289540985 0.571801468776675 499.054926347414 13.9419987205537 10.7610527634671 37927.9647286258 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2072-Mar-12 03:20 00:04 Earth 0.228730243753612 0.228674620541897 0.2287858669834 40.521949361488 40.5216618865592 2477913.638802078 3.67698259675003 2775.55747187104 16.8334813137137 -2.09717276749082 74102.8911728365 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2074-Jun-11 12:39 00:04 Venus 0.147773908783038 0.147710752560191 0.14783707802203 44.0033798078011 44.0030458536874 2478735.027088443 4.0425187207763 3834.5293721749 24.4016183087222 -34.7761700204973 512337.988971583 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2083-Apr-01 15:21 00:04 Earth 0.263022298227435 0.262929970401557 0.263114626192299 27.459739539893 27.4593706249113 2481951.139635475 4.3593872383057 4613.88006350382 14.5914344243082 3.74167817460847 182117.192197034 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2085-Jul-10 18:13 00:06 Venus 0.0974162028385997 0.097359671856102 0.0974728397084663 40.7470710696312 40.7465239979089 2482782.259232267 5.83409505948114 5797.70092240352 23.052117027534 -60.8785276151154 549008.153913839 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2092-Feb-28 17:52 00:08 Earth 0.486207070939303 0.486101878763065 0.486312263130631 48.7068400342079 48.7067275214854 2485206.244581154 7.70292905898468 5247.24698920447 20.5660203121369 -1.47821823820268 90425.4797265607 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2094-Jun-30 06:56 00:08 Mercury 0.0983192782460044 0.0981070852733635 0.0985314831787472 48.5782434849217 48.578212649807 2486058.788585438 8.28702666767931 10718.7818168468 32.32643992359 9.17967858782323 72620.8569809548 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2096-Aug-08 23:13 00:08 Venus 0.0916636404359773 0.09161331827384 0.0917142132249232 37.5192317747959 37.5186003501035 2486829.467308876 7.56827795637029 7966.13609805418 21.4064404458504 71.5919920795106 606675.617936137 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2103-Mar-23 01:58 00:10 Earth 0.0211169346292366 0.020984343092843 0.0212499506905039 34.4451004657139 34.4414371266219 2489245.582151121 9.71174720247648 8133.28145563201 13.9248502496702 -35.4879779278306 131037.67745297 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2105-Jul-30 22:02 00:08 Mercury 0.0594207574257644 0.0592304717942032 0.0596113042403334 52.1088989136806 52.108851349936 2490106.417838968 8.2576894956889 11346.9211581653 36.9708761243332 33.1945600560493 131675.887478672 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2107-Sep-08 05:27 00:06 Venus 0.120642407720113 0.120559330591337 0.1207255548277 35.4149041490799 35.4143958890059 2490875.727411340 5.58059995936354 6178.22103049118 20.2090008731264 47.8697585543697 663754.437885989 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2114-Apr-06 11:25 < 00:01 Earth 0.416856200117321 0.416848576185537 0.416863824052825 24.358130756105 24.3578683436324 2493277.975502485 0.215689360196342 385.227132898704 20.2310375039774 9.3003581326348 570964.157698585 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2118-Oct-05 00:03 00:03 Venus 0.126725567254326 0.126678961418326 0.126772191108204 35.1343765283905 35.133888802888 2494920.502224222 2.96668067690253 3328.88901687299 19.6156098842694 45.7116018279542 693613.620276496 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2123-Mar-06 12:31 00:08 Earth 0.387788835409457 0.387681080879636 0.387896590008824 45.3677304791359 45.3675790286308 2496534.021369286 7.50470918786087 5379.51995847341 18.6145096042167 -2.76115558053516 147758.321361943 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2129-Nov-01 02:29 00:11 Venus 0.14093556424008 0.140742841533681 0.141128491189346 34.4444204992325 34.4439731648448 2498965.603406757 11.1627990043553 12807.592950732 19.2271731144918 41.3436358907656 727341.487486558 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2134-Mar-25 08:00 00:15 Earth 0.0478342149787066 0.0475854167394008 0.0480832524722899 32.7884239571281 32.7867250704328 2500570.833247786 15.3897413072979 13510.3862162354 13.3892551533514 23.2565846968089 211377.871663962 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2154-Mar-12 13:24 00:19 Earth 0.256994965799661 0.256707995315643 0.257281938981674 41.2501153693901 41.2498640280674 2507863.058186329 18.9750365166444 14370.2413074699 16.4500871181107 -5.24412252802061 210339.407163913 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2160-Dec-21 10:14 00:19 Mercury 0.0676552917458685 0.0672017677358909 0.0681097105456729 51.2855510154622 51.2855085701921 2510338.926588282 18.8865005139776 25748.7880027027 35.389550303163 28.4561740650322 136326.863235334 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2165-Mar-31 14:32 00:14 Earth 0.221370847293712 0.221073337582802 0.221668364534309 28.4154040495856 28.414980463846 2511900.105425492 14.4058983264317 14974.8345530786 13.8866572616966 7.81158204782582 333879.864389555 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2172-Jan-21 05:08 00:17 Mercury 0.0383411926312942 0.0383116633233975 0.0383770939146133 55.8532058852077 55.8531371130796 2514386.714066486 17.0040013599085 24708.9930633083 38.0904520981111 86.215111690462 150228.631887765 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2183-Feb-19 22:17 00:17 Mercury 0.0624122814146085 0.0619976239616691 0.0628283554520709 60.7650545079575 60.7650156748532 2518434.428813421 16.9366584472453 25472.7612725923 39.2303707137138 -35.5964921748908 138438.065311118 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2185-Mar-20 10:39 00:17 Earth 0.0765042358356919 0.0762387769963086 0.0767698338003706 35.8518261972524 35.8508547449614 2519193.943555295 17.1759193979124 14205.1746291991 13.8643957464797 -21.2337577076615 296799.329907896 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2194-Mar-21 02:28 00:14 Mercury 0.0864461661212829 0.0860690201211297 0.0868236213750842 63.6106487594405 63.6106219769815 2522481.602688858 13.5064978683041 20505.1403442848 39.7305356414986 -23.4295752106375 129308.350649106 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
2196-Apr-05 08:02 00:07 Earth 0.401386371035032 0.401167113961467 0.401605632525169 24.6651687277592 24.6648995941017 2523227.834785345 6.81903270986328 11133.339672702 19.5876734085992 10.8682867861262 630727.070434198 T 64 CATAB v2.0f-lin.ifort 2021-Apr-14 00:57:38 2021-Apr-14 00:57
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