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150233 (1998 XM8)
Classification: Main-belt Asteroid          SPK-ID: 2150233
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1436218414104797 4.3035e-08  
a 2.396606436217937 9.3677e-09 au
q 2.052401406712109 1.0559e-07 au
i 1.898563497552622 5.7109e-06 deg
node 198.6846877738889 0.00012736 deg
peri 286.0419149650655 0.00012901 deg
M 289.1280119377989 1.9092e-05 deg
tp 2459467.287589807586
(2021-Sep-09.78758981)
7.2093e-05 TDB
period 1355.169157191387
3.71
7.9455e-06
2.175e-08
d
yr
n .2656494933415594 1.5575e-09 deg/d
Q 2.740811465723764 1.0713e-08 au
  Orbit Determination Parameters
   # obs. used (total)      515  
   data-arc span      9067 days (24.82 yr)  
   first obs. used      1996-03-16  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60152  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:17:40  

Additional Information
 Earth MOID = 1.06874 au 
 Jupiter MOID = 2.32093 au 
 T_jup = 3.514 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457102.5 (2015-Mar-21.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1425629624262383 4.2757e-08  
q 2.055324484981788 1.0475e-07 au
tp 2456753.772254811987
(2014-Apr-06.27225481)
7.2536e-05 TDB
node 198.7721591598309 0.00012725 deg
peri 285.5293200490281 0.00012896 deg
i 1.89849286002835 5.7135e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      515  
   data-arc span      9067 days (24.82 yr)  
   first obs. used      1996-03-16  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60152  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:17:40  

Additional Information
 Jupiter MOID = 2.32093 au 
 T_jup = 3.514 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.828130099444025E-15 -4.466395921738511E-15 1.147270852667476E-12 -1.781900195961447E-14 3.661305259258115E-13 -1.568087043510968E-15
q -4.466395921738511E-15 1.097256322044441E-14 -2.781070844303227E-12 4.406136062816152E-14 -8.859314778795192E-13 3.923297967850239E-15
tp 1.147270852667476E-12 -2.781070844303227E-12 5.261416803804297E-9 -1.611564131885668E-11 1.528540656926535E-9 -1.747649392906589E-12
node -1.781900195961447E-14 4.406136062816152E-14 -1.611564131885668E-11 1.619281452769355E-8 -1.618795401103751E-8 -1.152969255097401E-10
peri 3.661305259258115E-13 -8.859314778795192E-13 1.528540656926535E-9 -1.618795401103751E-8 1.66300172410812E-8 1.147323995909784E-10
i -1.568087043510968E-15 3.923297967850239E-15 -1.747649392906589E-12 -1.152969255097401E-10 1.147323995909784E-10 3.264428584142486E-11

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 16.58   n/a MPCxxxxx  

150233 (1998 XM8)          Discovered 1998-Dec-10 by Spacewatch at Kitt Peak
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ 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
2080-Dec-25 18:14 < 00:01 Iris 0.0438423457513795 0.0438300857946447 0.0438546104014213 5.44661979568791 5.44661977161369 2481124.259463165 0.775383824477105 943.288415230895 58.1238292396179 -49.7308459429944 86189.6454682264 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 19:17:41 2021-Apr-13 19:17
2164-Mar-25 01:04 00:02 Iris 0.033810485526889 0.0337827933648158 0.0338381819655868 4.80641922238991 4.80641918701463 2511528.544268352 2.25032154173514 1505.27249336501 77.4387256423862 23.5322534111454 26248.6282159412 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 19:17:41 2021-Apr-13 19:17

Alternate Designations
 1998 XM8 = 2003 AC19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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