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100926 (1998 MQ)
Classification: Amor [NEO]          SPK-ID: 2100926
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 185 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4074179258573802 3.3285e-08  
a 1.78298906568867 4.2245e-09 au
q 1.056567358719404 5.9435e-08 au
i 24.23865936967699 7.8553e-06 deg
node 221.1091470870976 9.0544e-06 deg
peri 138.7563710257484 9.8964e-06 deg
M 27.18811217900495 6.2078e-06 deg
tp 2458934.825314908717
(2020-Mar-26.32531491)
1.4779e-05 TDB
period 869.6038355733775
2.38
3.0906e-06
8.462e-09
d
yr
n .4139816147000228 1.4713e-09 deg/d
Q 2.509410772657937 5.9457e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1216  
   # delay obs. used      1  
   # Doppler obs. used      2  
   data-arc span      14441 days (39.54 yr)  
   first obs. used      1979-12-19  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38637  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-05 06:21:12  

Additional Information
 Earth MOID = .130426 au 
 Jupiter MOID = 3.10156 au 
 T_jup = 3.893 
[ 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 16.6   n/a MPO436470  
diameter diameter 1.174 km 0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2012ApJ...760L..12M)  
rotation period rot_per 2.328 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2011) Minor Planet Bull. 38, 82-86.]
[Warner, B.D. (2017) Minor Planet Bull. 44, 335-344.]
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.; Pravec, P.; Koehn, B.W. (2019). Minor Planet Bull. 46-4, in press.]
geometric albedo albedo 0.234   0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2012ApJ...760L..12M)  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

100926 (1998 MQ)          Discovered 1998-Jun-18 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
1910-Oct-22 06:37 < 00:01 Earth 0.248285179868722 0.248280636116857 0.248289723624271 13.0758086040081 13.0749878620529 2418966.775526732 0.174461213122942 231.562623845717 14.6987312773248 -11.9316034911056 528811.929272898 T 185 CATAB v2.0e-lin.ifort 2019-Jul-05 06:21:44 2019-Jul-05 06:28
1929-Oct-30 10:33 < 00:01 Earth 0.159677707357954 0.159675066804723 0.159680347976536 15.8391022537263 15.8380487114934 2425914.939734104 0.208327485199796 208.564341079611 11.7491025796066 -50.9645220963152 1489991.58862132 T 185 CATAB v2.0e-lin.ifort 2019-Jul-05 06:21:44 2019-Jul-05 06:28
1948-Nov-10 09:20 < 00:01 Earth 0.43703204630422 0.437028445255466 0.437035647354389 22.0260408851581 22.0257640856201 2432865.889024063 0.204244908376812 183.854163967073 13.3571676351678 -12.4298213929408 1013012.23625818 T 185 CATAB v2.0e-lin.ifort 2019-Jul-05 06:21:44 2019-Jul-05 06:28
1960-Oct-22 12:40 < 00:01 Earth 0.224584408750597 0.224581770304394 0.224587047196838 13.1908625977297 13.1899631532432 2437230.028091026 0.11507071082194 131.651383636559 11.1213937204656 2.0223370510903 288116.682222732 T 185 CATAB v2.0e-lin.ifort 2019-Jul-05 06:21:44 2019-Jul-05 06:28
1979-Oct-31 21:21 < 00:01 Earth 0.176393445619296 0.176392002557307 0.17639488869071 16.2669466419971 16.2660180257728 2444178.389362947 0.102744493999694 97.1041692840407 11.9999675762815 -42.5823862821686 1406926.00510006 T 185 CATAB v2.0e-lin.ifort 2019-Jul-05 06:21:44 2019-Jul-05 06:28
1991-Oct-20 13:42 < 00:01 Earth 0.496610840123718 0.496609592674518 0.496612087588247 13.7753093867595 13.774919892609 2448550.070538762 0.10766563560963 155.601386375532 16.3300277431047 -67.176628634161 3546927.9325506 T 185 CATAB v2.0e-lin.ifort 2019-Jul-05 06:21:44 2019-Jul-05 06:28
1998-Nov-12 04:20 < 00:01 Earth 0.465875441897196 0.46587463615747 0.465876247636949 22.6708416734303 22.6705893966316 2451129.680814877 0.0577799488242139 40.5910734192612 13.4480237920538 -8.66819888645628 1714415.58747413 T 185 CATAB v2.0e-lin.ifort 2019-Jul-05 06:21:44 2019-Jul-05 06:28
2010-Oct-23 18:41 < 00:01 Earth 0.199728163262461 0.199728104496981 0.199728222028008 13.3607035374985 13.3597050101823 2455493.278569550 0.0444824634851713 9.54621955723642 2.26000977538704 78.4029939917996 9175745.19301787 T 185 CATAB v2.0e-lin.ifort 2019-Jul-05 06:21:44 2019-Jul-05 06:28
2029-Nov-01 13:06 < 00:01 Earth 0.199912540292653 0.199911513910223 0.199913566677355 16.7804971640409 16.7797028764571 2462442.045809797 0.0724892419289431 61.8022798721322 12.3650423418956 -34.896905226534 1341737.04993424 T 185 CATAB v2.0e-lin.ifort 2019-Jul-05 06:21:44 2019-Jul-05 06:28
2041-Oct-19 16:23 < 00:01 Earth 0.46756063562039 0.467558684771019 0.467562586503354 13.7243398146779 13.7239245839128 2466812.182589392 0.100558176241078 224.256848400234 20.1111321019595 -64.7772860921158 2756174.93169184 T 185 CATAB v2.0e-lin.ifort 2019-Jul-05 06:21:44 2019-Jul-05 06:28
2048-Nov-12 13:41 < 00:01 Earth 0.489717010747797 0.489714674894472 0.489719346601485 23.1796393151843 23.1794045883768 2469393.069808961 0.139809618238299 118.451020683109 13.7703960956042 -10.5434168522102 1049258.90492999 T 185 CATAB v2.0e-lin.ifort 2019-Jul-05 06:21:44 2019-Jul-05 06:28
2060-Oct-23 22:52 < 00:01 Earth 0.184166705563067 0.184164474569953 0.184168936562608 13.4959495980603 13.4948775480653 2473756.453051089 0.122351300453854 123.83739227943 7.79346933444272 26.1100614358359 1830395.61798317 T 185 CATAB v2.0e-lin.ifort 2019-Jul-05 06:21:44 2019-Jul-05 06:28
2079-Nov-02 11:13 < 00:01 Earth 0.209966503239123 0.209963234958867 0.209969771541185 16.9780912276276 16.9773437760924 2480704.967225721 0.201806720405267 194.969664580989 12.5321622580838 -33.3696452767554 1286276.32711632 T 185 CATAB v2.0e-lin.ifort 2019-Jul-05 06:21:44 2019-Jul-05 06:28
2091-Oct-20 04:04 < 00:01 Earth 0.45861652491667 0.45861223803253 0.458620811964135 13.7209878324811 13.720564400185 2485074.669508624 0.0971595018720714 483.362852696428 20.2010445056936 -63.8537106585555 2638454.89998802 T 185 CATAB v2.0e-lin.ifort 2019-Jul-05 06:21:44 2019-Jul-05 06:28
2098-Nov-13 09:59 < 00:01 Earth 0.495868025185 0.495863598614894 0.495872451756375 23.2815739325734 23.2813431324336 2487655.916254281 0.252988021178368 224.271358101777 13.8730919814474 -10.2109217848231 915523.317716034 T 185 CATAB v2.0e-lin.ifort 2019-Jul-05 06:21:44 2019-Jul-05 06:28
2110-Oct-25 14:18 < 00:01 Earth 0.180606277205449 0.180602860441578 0.180609693987059 13.5500744458576 13.5489856278773 2492019.096076563 0.188000377474373 192.385582430284 7.66648274103142 27.6939497692025 1902347.73520052 T 185 CATAB v2.0e-lin.ifort 2019-Jul-05 06:21:44 2019-Jul-05 06:28
2129-Nov-03 06:52 < 00:01 Earth 0.214408535904962 0.214404398579345 0.21441267326167 17.0560933697903 17.0553647516207 2498967.786248344 0.249565492671154 243.309848616065 12.6324677436221 -32.0620034422953 1253949.41795719 T 185 CATAB v2.0e-lin.ifort 2019-Jul-05 06:21:44 2019-Jul-05 06:28
2141-Oct-20 14:03 < 00:01 Earth 0.454840794837995 0.454836014095135 0.454845575778154 13.7824653594047 13.7820403165359 2503337.085186242 0.096332097327022 530.552797384072 19.4237267465857 -63.3751658638944 2694478.27803791 T 185 CATAB v2.0e-lin.ifort 2019-Jul-05 06:21:44 2019-Jul-05 06:28
2160-Oct-25 09:40 < 00:01 Earth 0.17667639683187 0.176673314952052 0.176679478730036 13.6040496977258 13.6029410761934 2510281.902566631 0.172987036305887 178.04115210668 7.65764435909407 30.3538590741351 2010238.38945999 T 185 CATAB v2.0e-lin.ifort 2019-Jul-05 06:21:44 2019-Jul-05 06:28
2179-Nov-03 17:19 < 00:01 Earth 0.214597452146471 0.214594241442604 0.214600662869453 17.0154245204177 17.0146948036612 2517230.221644677 0.194468886550266 189.462256152104 12.690819543138 -32.4062796572438 1262672.39078739 T 185 CATAB v2.0e-lin.ifort 2019-Jul-05 06:21:44 2019-Jul-05 06:28
2191-Oct-21 10:46 < 00:01 Earth 0.455427675205994 0.455424375159082 0.455430975347708 13.8096300722443 13.809206412153 2521599.948469291 0.090377750614592 368.713045411388 19.330882450539 -63.651420321778 2717791.86475295 T 185 CATAB v2.0e-lin.ifort 2019-Jul-05 06:21:44 2019-Jul-05 06:28
2198-Nov-14 10:36 < 00:01 Earth 0.499189565380017 0.499186634787895 0.499192495972678 23.2225304147007 23.2223005673687 2524180.941898466 0.170343040719927 148.472119586162 14.1066281952919 -10.2254747030515 969912.188539492 T 185 CATAB v2.0e-lin.ifort 2019-Jul-05 06:21:44 2019-Jul-05 06:28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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