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249639 (1999 TU162)
Classification: Main-belt Asteroid          SPK-ID: 2249639
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1456843910806162 5.637e-08  
a 3.123171967288938 4.1194e-08 au
q 2.668174560994399 1.7958e-07 au
i 5.666625047816559 6.3964e-06 deg
node 210.1637063619415 5.84e-05 deg
peri 165.7108343509448 6.2051e-05 deg
M 195.6683013384149 2.4628e-05 deg
tp 2459520.761212120190
(2021-Nov-02.26121212)
0.0001499 TDB
period 2016.008104714572
5.52
3.9886e-05
1.092e-07
d
yr
n .1785707106822217 3.533e-09 deg/d
Q 3.578169373583477 4.7195e-08 au
  Orbit Determination Parameters
   # obs. used (total)      280  
   data-arc span      8061 days (22.07 yr)  
   first obs. used      1997-04-14  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51948  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:41:03  

Additional Information
 Earth MOID = 1.66933 au 
 Jupiter MOID = 1.88804 au 
 T_jup = 3.192 
[ 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 15.7   n/a MPO437159  
diameter diameter 5.011 km 0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249639 (1999 TU162)          Discovered 1999-Oct-09 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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