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65557 (1606 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2065557
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .112936129781652 3.6587e-08  
a 3.052754146719317 2.0132e-08 au
q 2.707987908213948 1.1563e-07 au
i 5.717604385244538 5.0025e-06 deg
node 327.6178428499177 3.7118e-05 deg
peri 65.9357380064308 4.3729e-05 deg
M 250.9491250678358 2.5675e-05 deg
tp 2459590.650562223898
(2022-Jan-11.15056222)
0.00014267 TDB
period 1948.211809696731
5.33
1.9272e-05
5.276e-08
d
yr
n .1847848361293116 1.8279e-09 deg/d
Q 3.397520385224686 2.2406e-08 au
  Orbit Determination Parameters
   # obs. used (total)      967  
   data-arc span      16720 days (45.78 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54572  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:41:47  

Additional Information
 Earth MOID = 1.72025 au 
 Jupiter MOID = 2.06567 au 
 T_jup = 3.219 
[ 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 14.3   n/a MPO436238  
diameter diameter 7.179 km 0.191 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65557 (1606 T-2)          Discovered 1973-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1606 T-2 = 2000 SV177 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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