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118437 (1999 TB285)
Classification: Main-belt Asteroid          SPK-ID: 2118437
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1644463053157551 4.7033e-08  
a 3.100590864113198 3.0185e-08 au
q 2.590710152213998 1.4416e-07 au
i 15.59897347718778 5.9516e-06 deg
node 49.90463272869322 1.8537e-05 deg
peri 49.08498347440628 2.5146e-05 deg
M 264.5286144082841 1.6897e-05 deg
tp 2459729.354064268963
(2022-May-29.85406427)
9.5961e-05 TDB
period 1994.183513278208
5.46
2.9121e-05
7.973e-08
d
yr
n .1805250106637385 2.6362e-09 deg/d
Q 3.610471576012397 3.5149e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      6824 days (18.68 yr)  
   first obs. used      1999-10-09  
   last obs. used      2018-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51459  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:29:24  

Additional Information
 Earth MOID = 1.63519 au 
 Jupiter MOID = 1.82568 au 
 T_jup = 3.145 
[ 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 14.9   n/a MPO359567  
diameter diameter 6.493 km 0.869 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.050   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

118437 (1999 TB285)          Discovered 1999-Oct-09 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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