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79034 (2228 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2079034
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .220094827869927 4.5681e-08  
a 2.392454438779681 1.1995e-08 au
q 1.865887590889824 1.0859e-07 au
i 1.274858876855151 4.1517e-06 deg
node 299.165412099736 0.00022862 deg
peri 25.99044589010275 0.00022912 deg
M 246.6628185567302 2.0189e-05 deg
tp 2459426.033590751528
(2021-Jul-30.53359075)
7.8077e-05 TDB
period 1351.649041556849
3.70
1.0165e-05
2.783e-08
d
yr
n .2663413274686651 2.003e-09 deg/d
Q 2.919021286669538 1.4635e-08 au
  Orbit Determination Parameters
   # obs. used (total)      485  
   data-arc span      17022 days (46.60 yr)  
   first obs. used      1973-09-20  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56162  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:37:09  

Additional Information
 Earth MOID = .854034 au 
 Jupiter MOID = 2.4198 au 
 T_jup = 3.497 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456774.5 (2014-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2208553841933348 4.5749e-08  
q 1.864019881888226 1.0887e-07 au
tp 2456719.816984307515
(2014-Mar-03.31698431)
6.4336e-05 TDB
node 299.4093386183273 0.00022758 deg
peri 25.3252128871254 0.00022808 deg
i 1.278944293379142 4.1586e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      485  
   data-arc span      17022 days (46.60 yr)  
   first obs. used      1973-09-20  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56162  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:37:09  

Additional Information
 Jupiter MOID = 2.4198 au 
 T_jup = 3.497 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.09294379763875E-15 -4.962143735607186E-15 1.38084345004072E-12 -2.380691009248887E-14 3.055749085145991E-13 -3.32594663751331E-16
q -4.962143735607186E-15 1.185233974934925E-14 -2.962755997068157E-12 5.379362668931036E-14 -6.529100008007654E-13 8.015935359529373E-16
tp 1.38084345004072E-12 -2.962755997068157E-12 4.139059107338545E-9 -4.824567398691707E-11 9.980160779304966E-10 -1.02783446284036E-12
node -2.380691009248887E-14 5.379362668931036E-14 -4.824567398691707E-11 5.179373285514388E-8 -5.179136317545407E-8 1.21619821507511E-10
peri 3.055749085145991E-13 -6.529100008007654E-13 9.980160779304966E-10 -5.179136317545407E-8 5.201854830892023E-8 -1.218294456187715E-10
i -3.32594663751331E-16 8.015935359529373E-16 -1.02783446284036E-12 1.21619821507511E-10 -1.218294456187715E-10 1.72941396474109E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO412656  
diameter diameter 1.152 km 0.300 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.334   0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79034 (2228 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2228 T-2 = 1999 TE69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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