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70584 (1999 TJ168)
Classification: Main-belt Asteroid          SPK-ID: 2070584
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1134861508290231 3.8187e-08  
a 2.600515691199288 1.2715e-08 au
q 2.305393175234604 9.9404e-08 au
i 5.894496920378941 4.4744e-06 deg
node 226.7929441721497 3.4936e-05 deg
peri 4.411491147269436 4.0868e-05 deg
M 155.7201559410852 2.485e-05 deg
tp 2458537.932736879194
(2019-Feb-23.43273688)
0.00010293 TDB
period 1531.74913858764
4.19
1.1234e-05
3.076e-08
d
yr
n .2350254300334979 1.7237e-09 deg/d
Q 2.895638207163971 1.4158e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1087  
   data-arc span      14525 days (39.77 yr)  
   first obs. used      1981-05-08  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50893  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:50:37  

Additional Information
 Earth MOID = 1.29357 au 
 Jupiter MOID = 2.09338 au 
 T_jup = 3.398 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457335.5 (2015-Nov-09.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1126150164891625 3.8256e-08  
q 2.308789519285332 9.9521e-08 au
tp 2457006.661758135030
(2014-Dec-15.16175814)
9.7852e-05 TDB
node 226.8281499564126 3.4915e-05 deg
peri 4.804767862876266 4.0916e-05 deg
i 5.894738994347215 4.4757e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1087  
   data-arc span      14525 days (39.77 yr)  
   first obs. used      1981-05-08  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50893  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:50:37  

Additional Information
 Jupiter MOID = 2.09338 au 
 T_jup = 3.398 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.463483616166386E-15 -3.782743642626769E-15 -6.640419368296614E-13 7.336955131453067E-15 -1.640625534382355E-13 2.127731293179374E-17
q -3.782743642626769E-15 9.904356742340786E-15 2.24330871457725E-12 -2.069118426882564E-14 5.418941330230109E-13 3.763190615808342E-16
tp -6.640419368296614E-13 2.24330871457725E-12 9.575028275767607E-9 -4.475590121378203E-12 2.098808757470985E-9 2.311589901471221E-12
node 7.336955131453067E-15 -2.069118426882564E-14 -4.475590121378203E-12 1.219088340769232E-9 -1.213675453557574E-9 -3.406590177525289E-11
peri -1.640625534382355E-13 5.418941330230109E-13 2.098808757470985E-9 -1.213675453557574E-9 1.674143207076025E-9 3.442392873821543E-11
i 2.127731293179374E-17 3.763190615808342E-16 2.311589901471221E-12 -3.406590177525289E-11 3.442392873821543E-11 2.003233698069156E-11

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 15.11   n/a E2021B10  
diameter diameter 2.386 km 0.490 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.196   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70584 (1999 TJ168)          Discovered 1999-Oct-10 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TJ168 = 1981 JP5 = 1998 MS21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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