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249482 (2009 TZ27)
Classification: Main-belt Asteroid          SPK-ID: 2249482
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07912517271014509 5.1765e-08  
a 3.060320981002601 3.5614e-08 au
q 2.81817255483229 1.7545e-07 au
i 10.78325741757053 4.6619e-06 deg
node 97.33886854704747 2.8944e-05 deg
peri 280.2741730414963 4.2111e-05 deg
M 13.74364767505861 3.0852e-05 deg
tp 2458925.846803342133
(2020-Mar-17.34680334)
0.00016754 TDB
period 1955.459819128232
5.35
3.4135e-05
9.346e-08
d
yr
n .1840999219101788 3.2137e-09 deg/d
Q 3.302469407172913 3.8432e-08 au
  Orbit Determination Parameters
   # obs. used (total)      386  
   data-arc span      7270 days (19.90 yr)  
   first obs. used      1999-12-07  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52236  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 18:48:07  

Additional Information
 Earth MOID = 1.84648 au 
 Jupiter MOID = 2.13164 au 
 T_jup = 3.202 
[ 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 15.1   n/a MPO503176  
diameter diameter 3.707 km 0.934 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.117   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249482 (2009 TZ27)          Discovered 2009-Oct-15 by La Sagra at La Sagra
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

Alternate Designations
 2009 TZ27 = 1999 XM250 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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