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487988 (2015 TO326)
Classification: Main-belt Asteroid          SPK-ID: 2487988
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2004799482095372 5.4801e-08  
a 3.153276314601526 9.0713e-08 au
q 2.521107642359852 1.7956e-07 au
i 11.58099133904105 6.5885e-06 deg
node 82.00748372061111 3.2802e-05 deg
peri 327.4264313037297 3.7003e-05 deg
M 280.2177930615215 2.2784e-05 deg
tp 2459453.757516364528
(2021-Aug-27.25751636)
0.00014313 TDB
period 2045.226776153928
5.60
8.8255e-05
2.416e-07
d
yr
n .1760196004655211 7.5955e-09 deg/d
Q 3.785444986843201 1.089e-07 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      3210 days (8.79 yr)  
   first obs. used      2010-11-05  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66578  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:19:54  

Additional Information
 Earth MOID = 1.54099 au 
 Jupiter MOID = 1.61401 au 
 T_jup = 3.144 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457533.5 (2016-May-25.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2067579006076155 5.7443e-08  
q 2.494675175259125 1.8764e-07 au
tp 2457397.010438614095
(2016-Jan-09.51043861)
8.8404e-05 TDB
node 82.19040961542106 3.2957e-05 deg
peri 325.462257353078 3.6481e-05 deg
i 11.57287986195236 6.5783e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      3210 days (8.79 yr)  
   first obs. used      2010-11-05  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66578  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:19:54  

Additional Information
 Jupiter MOID = 1.61401 au 
 T_jup = 3.144 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.29966020809347E-15 -1.006429378808868E-14 -3.876871672379968E-13 -2.767944632919378E-14 -1.042250411868637E-13 -4.013672336321942E-15
q -1.006429378808868E-14 3.520732012442664E-14 2.765460488716736E-12 9.233899704949378E-14 6.270560888334086E-13 1.857240812397287E-14
tp -3.876871672379968E-13 2.765460488716736E-12 7.815250283409173E-9 3.82392680333438E-11 1.444451275545775E-9 -4.077285465582947E-12
node -2.767944632919378E-14 9.233899704949378E-14 3.82392680333438E-11 1.086157525228368E-9 -1.056003029935227E-9 1.220517878749147E-12
peri -1.042250411868637E-13 6.270560888334086E-13 1.444451275545775E-9 -1.056003029935227E-9 1.330827252493759E-9 -1.834053591175269E-12
i -4.013672336321942E-15 1.857240812397287E-14 -4.077285465582947E-12 1.220517878749147E-12 -1.834053591175269E-12 4.327375949397103E-11

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 15.7   n/a MPO440946  

487988 (2015 TO326)          Discovered 2010-Nov-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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