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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456787.5 (2014-May-10.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1093482499445021 3.1505e-08  
q 2.152177307534334 7.692e-08 au
tp 2456311.778710777813
(2013-Jan-19.27871078)
9.9931e-05 TDB
node 10.71011992297145 2.4245e-05 deg
peri 257.1257549073142 3.5324e-05 deg
i 8.09846942882116 5.3882e-06 deg
  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
 Jupiter MOID = 2.42008 au 
 T_jup = 3.494 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.925868382670325E-16 -2.405270834494244E-15 -6.938928757487597E-13 -1.452770528066389E-15 -1.755088376423495E-13 1.685545720483698E-15
q -2.405270834494244E-15 5.916687524824513E-15 1.702714135209159E-12 3.511055862696156E-15 4.376797824178779E-13 -3.85196936531761E-15
tp -6.938928757487597E-13 1.702714135209159E-12 9.986110876861273E-9 -1.960728865754503E-12 2.573697869464546E-9 4.032513018321887E-12
node -1.452770528066389E-15 3.511055862696156E-15 -1.960728865754503E-12 5.878424631989701E-10 -5.819261413365949E-10 -4.105086379052929E-12
peri -1.755088376423495E-13 4.376797824178779E-13 2.573697869464546E-9 -5.819261413365949E-10 1.247763932834563E-9 5.137966597164672E-12
i 1.685545720483698E-15 -3.85196936531761E-15 4.032513018321887E-12 -4.105086379052929E-12 5.137966597164672E-12 2.903289557132907E-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 14.5   n/a MPO385115  

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

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