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23811 Connorivens (1998 QB46)
Classification: Main-belt Asteroid          SPK-ID: 2023811
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1387624253227285 3.8069e-08  
a 2.608808367614623 1.2021e-08 au
q 2.24680379132219 9.5808e-08 au
i 3.591279044330059 4.812e-06 deg
node 324.1459560037314 6.3528e-05 deg
peri 279.4689680703729 6.6332e-05 deg
M 141.6248964123322 1.8159e-05 deg
tp 2458395.021398027776
(2018-Oct-03.52139803)
7.8039e-05 TDB
period 1539.08177327373
4.21
1.0637e-05
2.912e-08
d
yr
n .2339057003022366 1.6166e-09 deg/d
Q 2.970812943907057 1.3689e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1014  
   data-arc span      15418 days (42.21 yr)  
   first obs. used      1977-09-09  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55981  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:07:24  

Additional Information
 Earth MOID = 1.2372 au 
 Jupiter MOID = 2.06602 au 
 T_jup = 3.394 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456745.5 (2014-Mar-29.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1381626655630867 3.7903e-08  
q 2.248637295853146 9.5276e-08 au
tp 2456857.013924903861
(2014-Jul-18.51392490)
8.0979e-05 TDB
node 324.2309650187107 6.3512e-05 deg
peri 279.774858162276 6.6373e-05 deg
i 3.59125099873856 4.8137e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1014  
   data-arc span      15418 days (42.21 yr)  
   first obs. used      1977-09-09  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55981  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:07:24  

Additional Information
 Jupiter MOID = 2.06602 au 
 T_jup = 3.394 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.436673987466358E-15 -3.592737570372538E-15 -1.34860046615904E-12 -9.279347597276283E-15 -3.673367388962769E-13 -5.898517825131846E-16
q -3.592737570372538E-15 9.07748695974038E-15 3.287048688202313E-12 2.606418867249144E-14 8.948529614974916E-13 1.860655227103089E-15
tp -1.34860046615904E-12 3.287048688202313E-12 6.557637318454772E-9 2.339605876293163E-11 1.577907648960044E-9 2.627516246284874E-13
node -9.279347597276283E-15 2.606418867249144E-14 2.339605876293163E-11 4.033724580134533E-9 -4.019211680072347E-9 1.389961232478805E-10
peri -3.673367388962769E-13 8.948529614974916E-13 1.577907648960044E-9 -4.019211680072347E-9 4.405387330107734E-9 -1.38612415713513E-10
i -5.898517825131846E-16 1.860655227103089E-15 2.627516246284874E-13 1.389961232478805E-10 -1.38612415713513E-10 2.317141912144814E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO435923  
diameter diameter 4.239 km 0.176 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.130   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

23811 Connorivens           Discovered 1998 Aug. 17 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Connor Joseph Ivens (b. 1993) is a finalist in the 2007 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his physical science project. He attends the Newaygo Middle School, Newaygo, Michigan.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20071026/MPCPages.arcLast Updated: 2007-10-28

Alternate Designations
 1998 QB46 = 1977 RK15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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