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241596 (1998 XM2)
Classification: Amor [NEO]          SPK-ID: 2241596
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 147 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3403162387682223 4.7164e-08  
a 1.80501635096146 5.6435e-09 au
q 1.190739975487114 8.5577e-08 au
i 27.09687463695406 8.7304e-06 deg
node 248.5441483168309 1.1174e-05 deg
peri 99.04203627539502 1.9482e-05 deg
M 340.4273880504644 9.2079e-06 deg
tp 2459048.657776012051
(2020-Jul-18.15777601)
2.2683e-05 TDB
period 885.7683077270589
2.43
4.1541e-06
1.137e-08
d
yr
n .4064268238765329 1.9061e-09 deg/d
Q 2.419292726435805 7.5641e-09 au
  Orbit Determination Parameters
   # obs. used (total)      758  
   data-arc span      24852 days (68.04 yr)  
   first obs. used      1952-08-20  
   last obs. used      2020-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36677  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-05 06:32:09  

Additional Information
 Earth MOID = .41467 au 
 Jupiter MOID = 3.39313 au 
 T_jup = 3.869 
[ 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 17.2   n/a MPO372573  
diameter diameter 1.548 km 0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2012ApJ...760L..12M)  
rotation period rot_per 8.75 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2016) Minor Planet Bull. 43, 143-154.]
geometric albedo albedo 0.105   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

241596 (1998 XM2)          Discovered 1998-Dec-09 by LINEAR at Socorro
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

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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
1901-Jul-03 04:22 < 00:01 Earth 0.481645985703641 0.48164549054829 0.481646480890999 13.249189792712 13.2487722490135 2415568.682191538 0.351029468143778 554.155702013965 23.0963334302972 89.09618186646 2498673.66273821 T 147 CATAB v2.0f-lin.ifort 2020-Sep-05 06:32:26 2020-Sep-05 06:32
1918-Jul-07 23:09 < 00:01 Earth 0.495913527800483 0.495912079324538 0.495914976402435 13.7328478103316 13.7324565624665 2421782.464491164 0.281853700084519 426.481937503241 25.0764069696941 -80.8452405363722 2360117.81246347 T 147 CATAB v2.0f-lin.ifort 2020-Sep-05 06:32:26 2020-Sep-05 06:32
1918-Nov-02 20:08 < 00:01 Earth 0.449125880862529 0.449123604503653 0.44912815730818 15.3756397358382 15.375253887593 2421900.338888285 0.155343466017158 335.454498578007 18.7788289930272 -70.4736464894535 2706867.6259572 T 147 CATAB v2.0f-lin.ifort 2020-Sep-05 06:32:26 2020-Sep-05 06:32
1935-Nov-05 19:47 < 00:01 Earth 0.417560819280832 0.417560367970232 0.417561270623546 14.4223706520475 14.4219282036517 2428112.324041518 0.172836076251062 284.24247085555 17.2065491466478 -87.0697918777715 2891321.42616275 T 147 CATAB v2.0f-lin.ifort 2020-Sep-05 06:32:26 2020-Sep-05 06:32
1952-Nov-08 16:07 < 00:01 Earth 0.426719317216173 0.426718251496955 0.426720382983029 13.9088236374202 13.9083746991158 2434325.171395754 0.170998397366959 241.128950790544 15.6311116908238 77.8133815812459 3199491.30593604 T 147 CATAB v2.0f-lin.ifort 2020-Sep-05 06:32:26 2020-Sep-05 06:32
1969-Nov-13 01:43 < 00:01 Earth 0.471321847147687 0.471320342387036 0.471323351934353 13.7463903453406 13.7459790889968 2440538.571781033 0.148148603621036 193.245707272102 14.6977628087996 67.5496268913865 3607864.41112648 T 147 CATAB v2.0f-lin.ifort 2020-Sep-05 06:32:26 2020-Sep-05 06:32
1979-Aug-16 05:57 < 00:01 Mars 0.0810306431137339 0.0810282483850865 0.0810330378439888 12.9970307250361 12.9967588825726 2444101.747583336 0.20183288270714 120.795856168202 17.9993417517463 -8.76821955550613 143157.956213913 T 147 CATAB v2.0f-lin.ifort 2020-Sep-05 06:32:26 2020-Sep-05 06:32
1998-Jul-04 04:02 < 00:01 Earth 0.485294365609816 0.485293896902553 0.485294834317106 13.2439955263831 13.2435809592392 2450998.668182880 0.0920485341122518 101.132115218041 23.3286202705566 -89.1713503182311 2497296.80910498 T 147 CATAB v2.0f-lin.ifort 2020-Sep-05 06:32:26 2020-Sep-05 06:32
2015-Nov-03 18:35 < 00:01 Earth 0.439319817959833 0.43931942642794 0.439320209491726 15.2487373126583 15.2483395689277 2457330.273982509 0.0741366326475473 19.5383777472474 17.5076736981769 5.02140903068179 2743020.95129773 T 147 CATAB v2.0f-lin.ifort 2020-Sep-05 06:32:26 2020-Sep-05 06:32
2032-Nov-05 21:32 < 00:01 Earth 0.413937716850111 0.413937350033019 0.413938083667956 14.3272325955165 14.3267833105832 2463542.396878880 0.0830309526444466 75.8046232885591 16.9496083229791 -84.6605257567061 2906357.21393064 T 147 CATAB v2.0f-lin.ifort 2020-Sep-05 06:32:26 2020-Sep-05 06:32
2049-Nov-09 21:16 < 00:01 Earth 0.432027809171135 0.432027125763991 0.432028492595175 13.8614057753559 13.8609608364863 2469755.385965046 0.13046718521046 154.39106779591 15.2241293648587 78.5535191718535 3319444.84751931 T 147 CATAB v2.0f-lin.ifort 2020-Sep-05 06:32:26 2020-Sep-05 06:32
2066-Nov-14 12:42 < 00:01 Earth 0.484234871714686 0.484233106258584 0.484236637211995 13.7511783119154 13.7507781620267 2475969.029125879 0.19845190162529 242.264606294882 14.2424333340543 68.947256412754 3828147.02796487 T 147 CATAB v2.0f-lin.ifort 2020-Sep-05 06:32:26 2020-Sep-05 06:32
2078-Jun-30 16:37 < 00:01 Earth 0.49767909522444 0.497678275695517 0.497679914829547 13.072366477044 13.0719569189184 2480215.192607296 0.266701325414064 369.038597180039 22.350273948465 84.670379273592 2640896.71678021 T 147 CATAB v2.0f-lin.ifort 2020-Sep-05 06:32:26 2020-Sep-05 06:32
2088-Sep-24 12:41 < 00:01 Mars 0.079899615389688 0.0798944335773302 0.0799047972114291 14.0953187646229 14.0950645558628 2483954.028420804 0.430669401663154 262.000718659567 19.8117727142481 9.5430466353826 108973.573010231 T 147 CATAB v2.0f-lin.ifort 2020-Sep-05 06:32:26 2020-Sep-05 06:32
2095-Jul-05 22:25 < 00:01 Earth 0.490892324863568 0.490891704787245 0.490892944995617 13.2798406081687 13.2794318749494 2486429.433858853 0.312420458890844 407.381860673826 23.7049709823489 -87.2018637783647 2455026.04996679 T 147 CATAB v2.0f-lin.ifort 2020-Sep-05 06:32:26 2020-Sep-05 06:32
2095-Nov-02 09:29 < 00:01 Earth 0.487755308009511 0.487752074368264 0.487758541705211 16.4072446096053 16.4069116595387 2486548.895113721 0.137587897501168 305.056331185512 19.971451977417 -58.2889673717841 2552806.88990849 T 147 CATAB v2.0f-lin.ifort 2020-Sep-05 06:32:26 2020-Sep-05 06:32
2112-Nov-04 17:41 < 00:01 Earth 0.42961642210166 0.42961448023996 0.429618364058064 15.0790846190636 15.0786733155424 2492760.236982720 0.190545445704912 338.200124018087 18.5106697972672 -73.6529202889199 2685024.68056776 T 147 CATAB v2.0f-lin.ifort 2020-Sep-05 06:32:26 2020-Sep-05 06:32
2129-Nov-07 22:21 < 00:01 Earth 0.411183876914757 0.411183531846456 0.411184221990995 14.2562878744266 14.255833329571 2498972.431473259 0.257167087413545 381.880312749811 16.7200042914102 89.38920703584 2927327.9150841 T 147 CATAB v2.0f-lin.ifort 2020-Sep-05 06:32:26 2020-Sep-05 06:32
2146-Nov-11 20:32 < 00:01 Earth 0.434656627889802 0.434654351819085 0.434658904128974 13.8536367453686 13.8531942495304 2505185.355698600 0.334397782316961 445.223246437764 15.0107199135476 75.3542724821893 3332421.36282599 T 147 CATAB v2.0f-lin.ifort 2020-Sep-05 06:32:26 2020-Sep-05 06:32
2163-Nov-16 11:17 < 00:01 Earth 0.49039211256493 0.490388135948532 0.490396089365278 13.7532658878906 13.752870822233 2511398.969955460 0.408092077039638 514.583577904361 14.1226950896142 67.3853767663324 3845246.09307249 T 147 CATAB v2.0f-lin.ifort 2020-Sep-05 06:32:26 2020-Sep-05 06:32
2175-Jul-02 15:39 < 00:01 Earth 0.499100258462235 0.499099034450875 0.499101482784338 13.0528557389168 13.0524467365436 2515645.151904043 0.475009872168548 670.853097124501 22.5016198280642 85.1449393249485 2628620.54215469 T 147 CATAB v2.0f-lin.ifort 2020-Sep-05 06:32:26 2020-Sep-05 06:32
2180-Nov-19 02:54 < 00:01 Mars 0.0260759762158847 0.0260682666411779 0.0260836862681495 13.703650877743 13.7028496757503 2517611.620538136 0.690015293917547 422.907726605892 19.0854781533946 24.6483840181494 85339.971286946 T 147 CATAB v2.0f-lin.ifort 2020-Sep-05 06:32:26 2020-Sep-05 06:32
2192-Jul-06 11:46 < 00:01 Earth 0.494367775516443 0.494367146159493 0.494368404930158 13.2375144652177 13.2371073077226 2521858.990522292 0.32312355859798 400.751056508763 23.5417720380887 -87.0263491202708 2468610.26118344 T 147 CATAB v2.0f-lin.ifort 2020-Sep-05 06:32:26 2020-Sep-05 06:32
2192-Nov-02 22:46 < 00:01 Earth 0.487320487598759 0.487317251243124 0.487323724006998 16.4677582565098 16.467426233959 2521978.448825565 0.131077637263924 301.304326956109 20.1871412019693 -57.8187754466007 2517203.43673859 T 147 CATAB v2.0f-lin.ifort 2020-Sep-05 06:32:26 2020-Sep-05 06:32
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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