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JPL Small-Body Database Browser
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393808 (2005 QT104)
Classification: Main-belt Asteroid          SPK-ID: 2393808
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1250926355819572 1.2989e-07  
a 2.934490583630221 3.2331e-08 au
q 2.56740742243348 3.8306e-07 au
i 17.64704681846475 7.2519e-06 deg
node 173.8811631282638 1.8209e-05 deg
peri 214.9591520162084 3.4877e-05 deg
M 303.8839341269017 3.6056e-05 deg
tp 2459286.708299187547
(2021-Mar-13.20829919)
0.00018701 TDB
period 1836.10497465239
5.03
3.0344e-05
8.308e-08
d
yr
n .1960672210847612 3.2403e-09 deg/d
Q 3.301573744826961 3.6375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      8691 days (23.79 yr)  
   first obs. used      1995-09-18  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51319  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:10:25  

Additional Information
 Earth MOID = 1.58661 au 
 Jupiter MOID = 2.20133 au 
 T_jup = 3.193 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457124.5 (2015-Apr-12.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .128194532450843 1.3083e-07  
q 2.556989729292958 3.8776e-07 au
tp 2457448.713426305710
(2016-Mar-01.21342631)
0.00016262 TDB
node 174.114405297027 1.819e-05 deg
peri 214.362221036006 3.4035e-05 deg
i 17.66293806083281 7.2581e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      8691 days (23.79 yr)  
   first obs. used      1995-09-18  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51319  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:10:25  

Additional Information
 Jupiter MOID = 2.20133 au 
 T_jup = 3.193 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.711606384509552E-14 -5.060141937043452E-14 -9.617627782731547E-12 -7.569073292103825E-14 -7.11561717766976E-13 4.910672592414732E-14
q -5.060141937043452E-14 1.503585717618975E-13 3.091934622838172E-11 2.226292673455589E-13 2.556678222537517E-12 -1.364370498506964E-13
tp -9.617627782731547E-12 3.091934622838172E-11 2.644457301203736E-8 4.268101926769231E-11 4.522321061804498E-9 2.78874738353689E-11
node -7.569073292103825E-14 2.226292673455589E-13 4.268101926769231E-11 3.308760535506303E-10 -3.111610862795796E-10 2.900308356495059E-12
peri -7.11561717766976E-13 2.556678222537517E-12 4.522321061804498E-9 -3.111610862795796E-10 1.158350701710428E-9 5.673814097592712E-12
i 4.910672592414732E-14 -1.364370498506964E-13 2.78874738353689E-11 2.900308356495059E-12 5.673814097592712E-12 5.267962715171303E-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 16.5   n/a MPO476860  
diameter diameter 3.623 km 1.314 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.026   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

393808 (2005 QT104)          Discovered 2005-Aug-27 by NEAT at Palomar
Reference: Last Updated: 2014-05-15

Alternate Designations
 2005 QT104 = 1995 SV57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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