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413536 (2005 SQ121)
Classification: Main-belt Asteroid          SPK-ID: 2413536
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04005473370112908 8.9665e-08  
a 2.688642856267287 2.9953e-08 au
q 2.580949982642057 2.5247e-07 au
i 5.265981166081537 6.5177e-06 deg
node 222.7168692028446 7.8373e-05 deg
peri 122.6634018111789 0.00010706 deg
M 49.6776422894349 7.1154e-05 deg
tp 2458378.293592815286
(2018-Sep-16.79359282)
0.00031824 TDB
period 1610.267776405919
4.41
2.6909e-05
7.367e-08
d
yr
n .2235653009237456 3.736e-09 deg/d
Q 2.796335729892516 3.1153e-08 au
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      4787 days (13.11 yr)  
   first obs. used      2005-09-01  
   last obs. used      2018-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54413  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:37:09  

Additional Information
 Earth MOID = 1.57765 au 
 Jupiter MOID = 2.35801 au 
 T_jup = 3.366 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457316.5 (2015-Oct-21.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04040254941208424 9.0366e-08  
q 2.57962109327335 2.5428e-07 au
tp 2456755.682925095092
(2014-Apr-08.18292510)
0.00031369 TDB
node 222.8035739054407 7.858e-05 deg
peri 119.9006177140145 0.00010622 deg
i 5.258217728221608 6.5121e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      4787 days (13.11 yr)  
   first obs. used      2005-09-01  
   last obs. used      2018-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54413  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:37:09  

Additional Information
 Jupiter MOID = 2.35801 au 
 T_jup = 3.366 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.165980770752456E-15 -2.284841113983457E-14 -7.504414950856655E-13 -9.896157516131701E-14 -4.05725984628101E-13 -1.164721612593804E-15
q -2.284841113983457E-14 6.46583623719728E-14 1.171533214035945E-12 2.819866923276316E-13 9.726208649693672E-13 4.102729148304417E-15
tp -7.504414950856655E-13 1.171533214035945E-12 9.840054975763509E-8 4.180394093564875E-11 2.24695846068671E-8 -1.065234152392931E-11
node -9.896157516131701E-14 2.819866923276316E-13 4.180394093564875E-11 6.174825614384169E-9 -6.134832287209848E-9 -1.920431561612036E-10
peri -4.05725984628101E-13 9.726208649693672E-13 2.24695846068671E-8 -6.134832287209848E-9 1.128322230300188E-8 1.888815680632918E-10
i -1.164721612593804E-15 4.102729148304417E-15 -1.065234152392931E-11 -1.920431561612036E-10 1.888815680632918E-10 4.240722953218826E-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 16.7   n/a MPO460570  

413536 (2005 SQ121)          Discovered 2005-Sep-29 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-11-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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