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70663 (1999 TG284)
Classification: Main-belt Asteroid          SPK-ID: 2070663
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1160609214282723 3.6053e-08  
a 2.731749021219573 1.4961e-08 au
q 2.414699712706048 9.9939e-08 au
i 8.532315976793594 5.7833e-06 deg
node 177.7596773740798 3.0363e-05 deg
peri 279.2837013879645 4.0952e-05 deg
M 155.4814914642555 2.6495e-05 deg
tp 2458288.244488908474
(2018-Jun-18.74448891)
0.00012122 TDB
period 1649.147956957289
4.52
1.3547e-05
3.709e-08
d
yr
n .2182945432405029 1.7932e-09 deg/d
Q 3.048798329733097 1.6697e-08 au
  Orbit Determination Parameters
   # obs. used (total)      774  
   data-arc span      10425 days (28.54 yr)  
   first obs. used      1990-11-11  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55682  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:13:50  

Additional Information
 Earth MOID = 1.44924 au 
 Jupiter MOID = 2.13809 au 
 T_jup = 3.328 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457030.5 (2015-Jan-08.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1176725196124619 3.6102e-08  
q 2.408578243986019 1.003e-07 au
tp 2456640.907817169808
(2013-Dec-14.40781717)
0.00012022 TDB
node 177.8013850563506 3.0361e-05 deg
peri 279.2202459316247 4.0656e-05 deg
i 8.534743275361002 5.786e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      774  
   data-arc span      10425 days (28.54 yr)  
   first obs. used      1990-11-11  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55682  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:13:50  

Additional Information
 Jupiter MOID = 2.13809 au 
 T_jup = 3.328 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.303374174245111E-15 -3.588521765785859E-15 -1.244358047716745E-12 7.533722434306828E-15 -2.940384518122854E-13 -2.261920285470224E-16
q -3.588521765785859E-15 1.006090425900713E-14 3.182732078126523E-12 -1.987635912299874E-14 7.622779565919256E-13 1.38151979700813E-15
tp -1.244358047716745E-12 3.182732078126523E-12 1.445251054459122E-8 -2.715735979117644E-11 3.273304172761451E-9 2.692938764783464E-12
node 7.533722434306828E-15 -1.987635912299874E-14 -2.715735979117644E-11 9.21801270985258E-10 -9.168914022022237E-10 6.875567750230081E-11
peri -2.940384518122854E-13 7.622779565919256E-13 3.273304172761451E-9 -9.168914022022237E-10 1.652917634465582E-9 -6.730145695549592E-11
i -2.261920285470224E-16 1.38151979700813E-15 2.692938764783464E-12 6.875567750230081E-11 -6.730145695549592E-11 3.347762265531883E-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 15.1   n/a MPO436276  
diameter diameter 2.823 km 0.960 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.202   0.153 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70663 (1999 TG284)          Discovered 1999-Oct-09 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TG284 = 1994 RP29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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