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JPL Small-Body Database Browser
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268357 (2005 TD27)
Classification: Main-belt Asteroid          SPK-ID: 2268357
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1634949093562718 4.6676e-08  
a 2.597567837618306 2.0022e-08 au
q 2.172878719460134 1.1568e-07 au
i 2.37403806239671 8.1763e-06 deg
node 194.5416511516408 0.00018735 deg
peri 239.4063468396693 0.00019152 deg
M 149.1323240281658 3.962e-05 deg
tp 2458367.041658463726
(2018-Sep-05.54165846)
0.00016573 TDB
period 1529.145370992738
4.19
1.768e-05
4.841e-08
d
yr
n .2354256219382753 2.722e-09 deg/d
Q 3.022256955776478 2.3295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      6304 days (17.26 yr)  
   first obs. used      2001-11-20  
   last obs. used      2019-02-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55364  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:26:41  

Additional Information
 Earth MOID = 1.18893 au 
 Jupiter MOID = 2.24684 au 
 T_jup = 3.396 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456758.5 (2014-Apr-11.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1630139933893663 4.7778e-08  
q 2.174327034725932 1.1905e-07 au
tp 2456839.795226311098
(2014-Jul-01.29522631)
0.00016132 TDB
node 194.6104598587107 0.00018765 deg
peri 239.903914338479 0.00019179 deg
i 2.371627975776342 8.1698e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      6304 days (17.26 yr)  
   first obs. used      2001-11-20  
   last obs. used      2019-02-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55364  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:26:41  

Additional Information
 Jupiter MOID = 2.24684 au 
 T_jup = 3.396 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.282727284255382E-15 -5.639266158714837E-15 4.016065332733497E-12 8.949677833110149E-14 1.017587275429075E-12 -4.536639387019412E-15
q -5.639266158714837E-15 1.417263170059658E-14 -9.971268855589023E-12 -2.217171665726534E-13 -2.529643258898513E-12 1.15016906506116E-14
tp 4.016065332733497E-12 -9.971268855589023E-12 2.60240564237211E-8 4.661626576898555E-10 6.504148036028335E-9 -2.04771367287246E-11
node 8.949677833110149E-14 -2.217171665726534E-13 4.661626576898555E-10 3.521164277278335E-8 -3.505530783910572E-8 -1.071378370237738E-9
peri 1.017587275429075E-12 -2.529643258898513E-12 6.504148036028335E-9 -3.505530783910572E-8 3.678318302272421E-8 1.064965630875545E-9
i -4.536639387019412E-15 1.15016906506116E-14 -2.04771367287246E-11 -1.071378370237738E-9 1.064965630875545E-9 6.674547724729355E-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 17.3   n/a MPO418423  

268357 (2005 TD27)          Discovered 2005-Oct-01 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

Alternate Designations
 2005 TD27 = 2001 WM85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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