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JPL Small-Body Database Browser
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46858 (1998 QB50)
Classification: Main-belt Asteroid          SPK-ID: 2046858
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1083984350501866 3.1414e-08  
a 2.416984034718222 1.0589e-08 au
q 2.154986747813481 7.6615e-08 au
i 8.100536102556136 5.3905e-06 deg
node 10.65531145472753 2.4224e-05 deg
peri 257.5512724530673 3.5544e-05 deg
M 239.8373982858309 2.6945e-05 deg
tp 2459058.616486853839
(2020-Jul-28.11648685)
0.00010327 TDB
period 1372.489717388793
3.76
9.0196e-06
2.469e-08
d
yr
n .262297047066343 1.7237e-09 deg/d
Q 2.678981321622963 1.1737e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1413  
   data-arc span      7583 days (20.76 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53403  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:39:36  

Additional Information
 Earth MOID = 1.15669 au 
 Jupiter MOID = 2.42008 au 
 T_jup = 3.494 
[ 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 14.5   n/a MPO385115  

46858 (1998 QB50)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ 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
1960-Dec-19 17:36 00:02 Vesta 0.0427945102503162 0.0427850375092447 0.04280398344528 3.90296951080521 3.90296879842571 2437288.233246202 1.79101159232731 519.050683734396 33.7951998462473 -25.0721777085471 80685.4597760291 T 25 CATAB v2.0e-lin.ifort 2019-Jul-13 02:39:42 2019-Jul-13 02:39
1962-Oct-14 22:38 00:03 Ceres 0.0393485226223065 0.0393457321987034 0.0393513153586132 3.90200453937461 3.90200178783595 2437952.443357605 2.60572626562725 506.286203884512 34.4917044262732 74.6457246406139 163163.855650422 T 25 CATAB v2.0e-lin.ifort 2019-Jul-13 02:39:42 2019-Jul-13 02:39

Alternate Designations
 1998 QB50 = 1999 XA133 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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