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109543 (2001 QB255)
Classification: Main-belt Asteroid          SPK-ID: 2109543
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1777741545018818 6.0044e-08  
a 3.157742682183413 3.7053e-08 au
q 2.596377646723752 1.9848e-07 au
i 14.81666081656884 6.8025e-06 deg
node 18.98975426080526 1.8013e-05 deg
peri 197.0791118570853 2.5986e-05 deg
M 218.7096846746228 2.4116e-05 deg
tp 2459804.902527516403
(2022-Aug-13.40252752)
0.00014831 TDB
period 2049.573668506724
5.61
3.6075e-05
9.877e-08
d
yr
n .1756462846550368 3.0916e-09 deg/d
Q 3.719107717643074 4.364e-08 au
  Orbit Determination Parameters
   # obs. used (total)      594  
   data-arc span      7917 days (21.68 yr)  
   first obs. used      1999-02-18  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5642  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:11:22  

Additional Information
 Earth MOID = 1.59434 au 
 Jupiter MOID = 1.27147 au 
 T_jup = 3.130 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457293.5 (2015-Sep-28.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1793880599341874 5.9653e-08  
q 2.589461016566521 1.974e-07 au
tp 2457757.232490973817
(2017-Jan-03.73249097)
0.00012145 TDB
node 19.01809357208946 1.8023e-05 deg
peri 197.3642836050001 2.6029e-05 deg
i 14.81809980651776 6.8036e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      594  
   data-arc span      7917 days (21.68 yr)  
   first obs. used      1999-02-18  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5642  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:11:22  

Additional Information
 Jupiter MOID = 1.27147 au 
 T_jup = 3.130 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.558487805817983E-15 -1.164342871743582E-14 -3.609064568222519E-12 1.728930864788435E-15 -5.267092290589962E-13 -3.237776726960568E-15
q -1.164342871743582E-14 3.896631881247654E-14 1.387301623241322E-11 -6.682500270969016E-15 2.012880110269389E-12 1.327107253977301E-14
tp -3.609064568222519E-12 1.387301623241322E-11 1.475048369595796E-8 -1.521966248889816E-11 2.294216538329998E-9 1.873121926549371E-11
node 1.728930864788435E-15 -6.682500270969016E-15 -1.521966248889816E-11 3.248391314081575E-10 -3.161493278529524E-10 -2.672774663899485E-11
peri -5.267092290589962E-13 2.012880110269389E-12 2.294216538329998E-9 -3.161493278529524E-10 6.774872972222665E-10 2.869652222114283E-11
i -3.237776726960568E-15 1.327107253977301E-14 1.873121926549371E-11 -2.672774663899485E-11 2.869652222114283E-11 4.628871401479023E-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 14.3   n/a MPO453555  
diameter diameter 6.404 km 0.299 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.090   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109543 (2001 QB255)          Discovered 2001-Aug-25 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QB255 = 2000 JB48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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