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85494 (1997 TS)
Classification: Main-belt Asteroid          SPK-ID: 2085494
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04703071301297168 6.8381e-08  
a 2.384887601120062 1.4201e-08 au
q 2.27272463678359 1.6099e-07 au
i 8.308901889038014 4.858e-06 deg
node 283.4457711831673 4.5739e-05 deg
peri 29.00107637434724 8.6951e-05 deg
M 121.4325042676604 6.9755e-05 deg
tp 2458546.733164778708
(2019-Mar-04.23316478)
0.00026138 TDB
period 1345.241635794624
3.68
1.2015e-05
3.29e-08
d
yr
n .2676099151416397 2.3902e-09 deg/d
Q 2.497050565456534 1.4869e-08 au
  Orbit Determination Parameters
   # obs. used (total)      472  
   data-arc span      21673 days (59.34 yr)  
   first obs. used      1960-09-26  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55584  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:33:11  

Additional Information
 Earth MOID = 1.26095 au 
 Jupiter MOID = 2.64394 au 
 T_jup = 3.520 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457308.5 (2015-Oct-13.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04795034531576926 6.8313e-08  
q 2.270573246798787 1.6103e-07 au
tp 2457202.694819595354
(2015-Jun-29.19481960)
0.0002585 TDB
node 283.511224428072 4.5785e-05 deg
peri 29.23871463435477 8.5774e-05 deg
i 8.304270888640339 4.857e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      472  
   data-arc span      21673 days (59.34 yr)  
   first obs. used      1960-09-26  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55584  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:33:11  

Additional Information
 Jupiter MOID = 2.64394 au 
 T_jup = 3.520 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.666695770139364E-15 -1.096291568763167E-14 7.47082186452398E-13 3.950787225389744E-14 -8.685427314934468E-14 -9.829743103032006E-15
q -1.096291568763167E-14 2.593105409175768E-14 -2.596702526047629E-12 -9.052472343919013E-14 -3.260025661185229E-14 2.396271200510629E-14
tp 7.47082186452398E-13 -2.596702526047629E-12 6.681970134053653E-8 -1.064414323976043E-10 1.876787891386903E-8 -4.581495950110472E-11
node 3.950787225389744E-14 -9.052472343919013E-14 -1.064414323976043E-10 2.096263941848358E-9 -2.106222771952397E-9 6.14039010292764E-11
peri -8.685427314934468E-14 -3.260025661185229E-14 1.876787891386903E-8 -2.106222771952397E-9 7.357224851555875E-9 -7.307652273125746E-11
i -9.829743103032006E-15 2.396271200510629E-14 -4.581495950110472E-11 6.14039010292764E-11 -7.307652273125746E-11 2.359053088407564E-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 16.2   n/a MPO436373  

85494 (1997 TS)          Discovered 1997-Oct-04 by Galad, A., Pravda, A. at Modra
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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