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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 ]

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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 
[ 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 15.11   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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