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100953 (1998 QB6)
Classification: Main-belt Asteroid          SPK-ID: 2100953
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1876980606109539 3.6185e-08  
a 2.645981192447438 1.2525e-08 au
q 2.149335654211995 9.7178e-08 au
i 3.36651542448161 4.1917e-06 deg
node 199.8035474361493 6.9852e-05 deg
peri 186.8151367821646 7.0911e-05 deg
M 58.45002494247166 1.2328e-05 deg
tp 2458945.252935404364
(2020-Apr-05.75293540)
5.3181e-05 TDB
period 1572.094166681174
4.30
1.1162e-05
3.056e-08
d
yr
n .2289939162868283 1.6259e-09 deg/d
Q 3.142626730682881 1.4876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      650  
   data-arc span      8183 days (22.40 yr)  
   first obs. used      1998-08-24  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5179  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:26:35  

Additional Information
 Earth MOID = 1.15249 au 
 Jupiter MOID = 2.30796 au 
 T_jup = 3.365 
[ 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 15.9   n/a MPO439690  

100953 (1998 QB6)          Discovered 1998-Aug-24 by ODAS at Caussols
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
1930-Nov-15 11:42 00:01 Eunom 0.0481780343621632 0.0481712758870665 0.0481848018900422 3.88788225685479 3.88788218191168 2426295.987566917 1.40622712909378 1099.89190702531 38.2050725764003 -72.2722993824196 179503.005692272 T 21 CATAB v2.0f-lin.ifort 2021-Feb-24 08:26:36 2021-Feb-24 08:26
1933-Jul-08 10:38 00:03 Eunom 0.0459166179066405 0.0459055665678628 0.0459276753543161 4.20433927015015 4.20433919743478 2427261.942958722 3.29102481724045 1001.76271859545 41.734979968666 -56.7251197939196 137522.970840242 T 21 CATAB v2.0f-lin.ifort 2021-Feb-24 08:26:36 2021-Feb-24 08:26
1935-Mar-03 00:45 00:01 Eunom 0.04575926015048 0.0457582608474905 0.0457602634433793 3.88292692902009 3.88292685001489 2427864.530960478 1.30927499682089 1043.58682480842 38.0850722509772 88.2303885615231 179457.430528262 T 21 CATAB v2.0f-lin.ifort 2021-Feb-24 08:26:36 2021-Feb-24 08:26
1937-Oct-25 20:26 00:03 Eunom 0.0396289872068266 0.0396251929871465 0.0396327896325069 4.20483835743249 4.20483827318992 2428832.351179860 2.98807650730877 940.60723995451 41.9901840446018 -78.6758572398817 138310.971778547 T 21 CATAB v2.0f-lin.ifort 2021-Feb-24 08:26:36 2021-Feb-24 08:26
1939-Jun-20 21:36 00:01 Eunom 0.0486672864879091 0.0486606170964452 0.0486739628668656 3.88495230282762 3.88495222858196 2429435.399861948 1.23761858430891 982.558644787289 37.9875750660316 70.3466230871312 180307.880138236 T 21 CATAB v2.0f-lin.ifort 2021-Feb-24 08:26:36 2021-Feb-24 08:26
1942-Feb-14 10:28 00:03 Eunom 0.0402341489437458 0.0402296106184505 0.0402386941932483 4.20166988814022 4.20166980510217 2430404.935908583 2.67788190998845 876.117462285017 42.2044073659375 75.2837499037256 137815.436206079 T 21 CATAB v2.0f-lin.ifort 2021-Feb-24 08:26:36 2021-Feb-24 08:26

Alternate Designations
 1998 QB6 = 2002 RY37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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