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487493 (2014 SQ281)
Classification: Main-belt Asteroid          SPK-ID: 2487493
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1578730623268415 4.2305e-08  
a 2.720373730457341 4.0415e-08 au
q 2.290899998956547 1.2583e-07 au
i 3.91653186400442 5.3003e-06 deg
node 84.31163021283145 0.00011853 deg
peri 199.8912629093808 0.00012214 deg
M 180.5446586126731 2.8027e-05 deg
tp 2459817.449429970857
(2022-Aug-25.94942997)
0.00012587 TDB
period 1638.857849066387
4.49
3.6521e-05
9.999e-08
d
yr
n .2196651773093574 4.8952e-09 deg/d
Q 3.149847461958135 4.6796e-08 au
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      4733 days (12.96 yr)  
   first obs. used      2005-10-01  
   last obs. used      2018-09-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57742  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 13:23:57  

Additional Information
 Earth MOID = 1.27492 au 
 Jupiter MOID = 1.99807 au 
 T_jup = 3.337 
[ show covariance matrix ]

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 16.6   n/a MPO456350  

487493 (2014 SQ281)          Discovered 2005-Oct-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1930-Jul-05 08:26 00:05 Jupiter 1.98798623215503 1.98798528435086 1.98798717996078 2.31154637841148 2.11922283639272 2426162.851119488 5.35881763043617 127.746970844467 23.5154017777433 -72.7192686708874 2515948.92022138 T 11 CATAB v2.0e-lin.ifort 2018-Oct-03 13:23:59 2018-Dec-18 03:50
2096-Mar-30 20:41 00:05 Jupiter 1.98717242580773 1.9871718710374 1.98717298057783 2.40876209447654 2.22477967926981 2486698.362037341 5.20259875438212 69.2502035224766 18.3392047416307 -87.2086852446749 1278291.81125584 T 11 CATAB v2.0e-lin.ifort 2018-Oct-03 13:23:59 2018-Dec-18 03:50
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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