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70570 (1999 TW154)
Classification: Main-belt Asteroid          SPK-ID: 2070570
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07520637504183313 3.3e-08  
a 2.590925292258073 9.9891e-09 au
q 2.396071193023142 8.825e-08 au
i 2.990795863510523 3.3064e-06 deg
node 128.4239675553605 7.8211e-05 deg
peri 328.4161473145379 8.2297e-05 deg
M 282.0717974046216 2.639e-05 deg
tp 2459330.240977717657
(2021-Apr-25.74097772)
0.00011201 TDB
period 1523.283587005209
4.17
8.8093e-06
2.412e-08
d
yr
n .2363315689022578 1.3667e-09 deg/d
Q 2.785779391493005 1.074e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1324  
   data-arc span      13445 days (36.81 yr)  
   first obs. used      1984-01-25  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47982  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:54:47  

Additional Information
 Earth MOID = 1.41353 au 
 Jupiter MOID = 2.3165 au 
 T_jup = 3.414 
[ 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 14.7   n/a MPO296640  

70570 (1999 TW154)          Discovered 1999-Oct-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TW154 = 1984 BU6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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