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13275 (1998 QT39)
Classification: Main-belt Asteroid          SPK-ID: 2013275
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1957090817799712 3.4364e-08  
a 2.552615147315234 1.0387e-08 au
q 2.053045180696524 8.6222e-08 au
i 7.676659516532862 5.0664e-06 deg
node 142.644264842769 2.8709e-05 deg
peri 256.6159616871008 3.2175e-05 deg
M 76.70920349398617 1.4822e-05 deg
tp 2458683.089409928340
(2019-Jul-18.58940993)
6.0977e-05 TDB
period 1489.623242336962
4.08
9.0922e-06
2.489e-08
d
yr
n .2416718467920936 1.4751e-09 deg/d
Q 3.052185113933944 1.242e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1524  
   data-arc span      10200 days (27.93 yr)  
   first obs. used      1992-02-29  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55733  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:35:58  

Additional Information
 Earth MOID = 1.0765 au 
 Jupiter MOID = 2.41151 au 
 T_jup = 3.400 
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Orbital Elements at Epoch 2456227.5 (2012-Oct-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1948278510527253 3.4095e-08  
q 2.05512108209641 8.5287e-08 au
tp 2455699.526540858204
(2011-May-18.02654086)
6.0872e-05 TDB
node 142.8097756775028 2.8642e-05 deg
peri 255.770465029996 3.2217e-05 deg
i 7.683413584794129 5.0715e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1524  
   data-arc span      10200 days (27.93 yr)  
   first obs. used      1992-02-29  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55733  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:35:58  

Additional Information
 Jupiter MOID = 2.41151 au 
 T_jup = 3.400 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.162475025756566E-15 -2.894847844998861E-15 4.076011374145361E-13 -9.720466191207274E-15 8.165229382815467E-14 8.350089388250308E-16
q -2.894847844998861E-15 7.273818935431139E-15 -1.084692619288077E-12 2.475315646055094E-14 -2.149815881020711E-13 -1.99703067498344E-15
tp 4.076011374145361E-13 -1.084692619288077E-12 3.705414107568535E-9 -1.702344358150921E-11 9.094579522011976E-10 -3.11166055188635E-12
node -9.720466191207274E-15 2.475315646055094E-14 -1.702344358150921E-11 8.203570297308047E-10 -8.163831039594188E-10 -3.236179716228031E-11
peri 8.165229382815467E-14 -2.149815881020711E-13 9.094579522011976E-10 -8.163831039594188E-10 1.037945865956608E-9 3.133804419794638E-11
i 8.350089388250308E-16 -1.99703067498344E-15 -3.11166055188635E-12 -3.236179716228031E-11 3.133804419794638E-11 2.572023012564114E-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 13.9   n/a MPO416854  
diameter diameter 5.002 km 0.153 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.213   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13275 (1998 QT39)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1998 QT39 = 1992 DC6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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