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357557 (2004 TM31)
Classification: Main-belt Asteroid          SPK-ID: 2357557
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09426239339530541 5.5301e-08  
a 2.275185143398315 1.1948e-08 au
q 2.060720746364149 1.2217e-07 au
i 3.663570652388729 4.9239e-06 deg
node 330.2396316278117 8.4599e-05 deg
peri 223.3577411081701 9.1885e-05 deg
M 31.70460422936 3.396e-05 deg
tp 2458890.106531940714
(2020-Feb-10.60653194)
0.00011808 TDB
period 1253.497700644383
3.43
9.8743e-06
2.703e-08
d
yr
n .2871963784336705 2.2624e-09 deg/d
Q 2.489649540432482 1.3075e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      7766 days (21.26 yr)  
   first obs. used      1999-01-23  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66316  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 23:19:15  

Additional Information
 Earth MOID = 1.06195 au 
 Jupiter MOID = 2.47581 au 
 T_jup = 3.601 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.9   n/a MPO413355  

357557 (2004 TM31)          Discovered 2004-Oct-04 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

Alternate Designations
 2004 TM31 = 2006 DG91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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