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102228 (1999 TG15)
Classification: Main-belt Asteroid          SPK-ID: 2102228
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1892725673073094 3.6688e-08  
a 2.747845512933593 1.5437e-08 au
q 2.227753738136781 1.0102e-07 au
i 7.73890564555006 5.3575e-06 deg
node 203.5333310476183 2.7701e-05 deg
peri 226.5937809336399 3.1129e-05 deg
M 197.073462759864 1.6554e-05 deg
tp 2459953.467484200779
(2023-Jan-08.96748420)
8.0111e-05 TDB
period 1663.745507048708
4.56
1.402e-05
3.838e-08
d
yr
n .2163792469910848 1.8234e-09 deg/d
Q 3.267937287730405 1.8359e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      7626 days (20.88 yr)  
   first obs. used      1999-10-01  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52694  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:41:00  

Additional Information
 Earth MOID = 1.24922 au 
 Jupiter MOID = 2.08319 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 15.62   n/a E2021B55  
diameter diameter 4.683 km 0.291 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102228 (1999 TG15)          Discovered 1999-Oct-12 by Pravec, P., Kusnirak, P. at Ondrejov
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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