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359657 (2011 ST49)
Classification: Main-belt Asteroid          SPK-ID: 2359657
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1881366592804775 5.4145e-08  
a 2.185320517497817 1.5068e-08 au
q 1.774181615878694 1.221e-07 au
i 3.628916906302511 7.5965e-06 deg
node 127.4710784344002 7.8719e-05 deg
peri 258.6750073315678 8.1515e-05 deg
M 237.8715904565308 2.4253e-05 deg
tp 2459400.799771676064
(2021-Jul-05.29977168)
8.2238e-05 TDB
period 1179.970478139164
3.23
1.2204e-05
3.341e-08
d
yr
n .3050923787243616 3.1555e-09 deg/d
Q 2.59645941911694 1.7903e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      8469 days (23.19 yr)  
   first obs. used      1995-12-20  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59496  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:21:59  

Additional Information
 Earth MOID = .782594 au 
 Jupiter MOID = 2.85596 au 
 T_jup = 3.651 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456825.5 (2014-Jun-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1874952459794798 5.4003e-08  
q 1.775803586386504 1.2169e-07 au
tp 2457040.503339051009
(2015-Jan-18.00333905)
6.8912e-05 TDB
node 127.5109975715484 7.8683e-05 deg
peri 258.5357354331656 8.1516e-05 deg
i 3.62946142747948 7.5993e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      8469 days (23.19 yr)  
   first obs. used      1995-12-20  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59496  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:21:59  

Additional Information
 Jupiter MOID = 2.85596 au 
 T_jup = 3.651 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.916287323489185E-15 -6.540016510286156E-15 -2.347680343679768E-12 -5.705845208655362E-15 -6.75317386580525E-13 -5.601123959455794E-15
q -6.540016510286156E-15 1.480860586842962E-14 5.507362369257114E-12 1.117342460603402E-14 1.582493237073783E-12 1.283233501312884E-14
tp -2.347680343679768E-12 5.507362369257114E-12 4.7488117941769E-9 -9.27415676703175E-12 1.483873300317301E-9 5.797212649950267E-12
node -5.705845208655362E-15 1.117342460603402E-14 -9.27415676703175E-12 6.190990568388784E-9 -6.180725917369446E-9 2.841918713440461E-10
peri -6.75317386580525E-13 1.582493237073783E-12 1.483873300317301E-9 -6.180725917369446E-9 6.644914082760999E-9 -2.819205049649479E-10
i -5.601123959455794E-15 1.283233501312884E-14 5.797212649950267E-12 2.841918713440461E-10 -2.819205049649479E-10 5.774906713026366E-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 17.5   n/a MPO471702  

359657 (2011 ST49)          Discovered 2005-Dec-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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