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JPL Small-Body Database Browser
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39426 (3278 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2039426
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 .2137435984824543 3.7557e-08  
a 2.42269575628643 8.688e-09 au
q 1.904860047309597 9.1656e-08 au
i 3.040090022801035 4.3747e-06 deg
node 126.9614900534338 7.794e-05 deg
peri 176.7670997137006 7.8499e-05 deg
M 173.989487265611 9.7741e-06 deg
tp 2458334.817327972581
(2018-Aug-04.31732797)
3.6348e-05 TDB
period 1377.357711066931
3.77
7.409e-06
2.028e-08
d
yr
n .2613700109328434 1.4059e-09 deg/d
Q 2.940531465263262 1.0545e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1037  
   data-arc span      16928 days (46.35 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54525  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:26:02  

Additional Information
 Earth MOID = .889623 au 
 Jupiter MOID = 2.30403 au 
 T_jup = 3.479 
[ 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 15.5   n/a MPO358989  
diameter diameter 1.672 km 0.321 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.437   0.160 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39426 (3278 T-2)          Discovered 1973-Sep-30 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 3278 T-2 = 1999 LR27 = 2002 CY97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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