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JPL Small-Body Database Browser
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65570 (3139 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2065570
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04270155093126931 7.0951e-08  
a 2.786399195494025 2.0758e-08 au
q 2.667415628332789 2.0724e-07 au
i 7.56042389087343 7.3454e-06 deg
node 15.62475517596577 3.4179e-05 deg
peri 13.69205623798742 7.8622e-05 deg
M 345.6266033257717 6.9464e-05 deg
tp 2459068.329769541521
(2020-Aug-06.82976954)
0.000328 TDB
period 1698.882845050158
4.65
1.8984e-05
5.198e-08
d
yr
n .2119039585624701 2.368e-09 deg/d
Q 2.905382762655262 2.1644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      437  
   data-arc span      16800 days (46.00 yr)  
   first obs. used      1973-09-24  
   last obs. used      2019-09-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62529  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:42:09  

Additional Information
 Earth MOID = 1.6718 au 
 Jupiter MOID = 2.2791 au 
 T_jup = 3.317 
[ 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 15.6   n/a MPO493328  
diameter diameter 3.778 km 0.473 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65570 (3139 T-2)          Discovered 1973-Sep-30 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 3139 T-2 = 2001 SW27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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