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JPL Small-Body Database Browser
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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 
[ show covariance matrix ]

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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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2147-Oct-20 17:31 00:19 Europ 0.0353486102752169 0.0353453652726074 0.0353518574296204 1.95274238962871 1.95274223565221 2505528.230056562 19.0671711097882 492.595984393653 58.4445696806587 72.048124216676 85899.8209013075 T 25 CATAB v2.0f-lin.ifort 2020-Feb-22 20:36:15 2020-Feb-22 20:36

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