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78836 (2003 QT39)
Classification: Main-belt Asteroid          SPK-ID: 2078836
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2237699867624438 3.6346e-08  
a 2.427850912990196 9.3471e-09 au
q 1.884570746329193 8.8611e-08 au
i 1.021170915873103 4.0239e-06 deg
node 243.3645998606176 0.0002306 deg
peri 34.45741116563731 0.00023073 deg
M 248.2694413674562 8.5315e-06 deg
tp 2459629.345560005009
(2022-Feb-18.84556000)
3.3751e-05 TDB
period 1381.756284863286
3.78
7.9795e-06
2.185e-08
d
yr
n .2605379862886741 1.5046e-09 deg/d
Q 2.971131079651199 1.1439e-08 au
  Orbit Determination Parameters
   # obs. used (total)      602  
   data-arc span      16393 days (44.88 yr)  
   first obs. used      1976-05-03  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5558  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:31:42  

Additional Information
 Earth MOID = .866375 au 
 Jupiter MOID = 2.16438 au 
 T_jup = 3.474 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.30   n/a MPCxxxxx  
diameter diameter 1.369 km 0.338 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.312   0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78836 (2003 QT39)          Discovered 2003-Aug-22 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2003 QT39 = 1976 JW4 = 1999 NG23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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