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216765 (2005 TG99)
Classification: Main-belt Asteroid          SPK-ID: 2216765
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05877778356425689 6.2443e-08  
a 3.108324824237419 3.5029e-08 au
q 2.925624380470985 2.1101e-07 au
i 9.327455680311701 6.8316e-06 deg
node 226.1556537047685 2.8837e-05 deg
peri 126.5642813553832 5.9725e-05 deg
M 285.8011461785417 5.4719e-05 deg
tp 2459613.055819869418
(2022-Feb-02.55581987)
0.0003073 TDB
period 2001.649452838833
5.48
3.3836e-05
9.264e-08
d
yr
n .179851671574876 3.0402e-09 deg/d
Q 3.291025268003853 3.7088e-08 au
  Orbit Determination Parameters
   # obs. used (total)      312  
   data-arc span      7199 days (19.71 yr)  
   first obs. used      2000-11-01  
   last obs. used      2020-07-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61156  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:11  

Additional Information
 Earth MOID = 1.93205 au 
 Jupiter MOID = 1.99707 au 
 T_jup = 3.197 
[ 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 15.41   n/a E2021B55  
diameter diameter 5.067 km 0.442 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

216765 (2005 TG99)          Discovered 2005-Oct-07 by CSS at Catalina
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

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