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227314 (2005 TT61)
Classification: Main-belt Asteroid          SPK-ID: 2227314
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1531474368437392 6.1486e-08  
a 2.761677102668372 1.3621e-08 au
q 2.338733333004667 1.6705e-07 au
i 8.592378883756609 6.4398e-06 deg
node 308.002698821843 3.0087e-05 deg
peri 202.8524600508107 3.3452e-05 deg
M 70.610853082014 1.3127e-05 deg
tp 2458871.703842633828
(2020-Jan-23.20384263)
6.0808e-05 TDB
period 1676.32327730611
4.59
1.2402e-05
3.395e-08
d
yr
n .2147557126203773 1.5888e-09 deg/d
Q 3.184620872332077 1.5707e-08 au
  Orbit Determination Parameters
   # obs. used (total)      475  
   data-arc span      8481 days (23.22 yr)  
   first obs. used      1997-03-04  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50642  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:17  

Additional Information
 Earth MOID = 1.35269 au 
 Jupiter MOID = 1.85163 au 
 T_jup = 3.308 
[ 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 15.78   n/a E2021B55  
diameter diameter 3.708 km 0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227314 (2005 TT61)          Discovered 2005-Oct-03 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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