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186716 (2004 BQ93)
Classification: Main-belt Asteroid          SPK-ID: 2186716
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .160662016519199 4.1861e-08  
a 2.335395863158442 1.423e-08 au
q 1.960186454412811 9.9856e-08 au
i 5.133396415573314 5.4034e-06 deg
node 164.7360965457756 5.3935e-05 deg
peri 316.5840852227987 5.8045e-05 deg
M 327.796769241402 2.5366e-05 deg
tp 2459513.110089863842
(2021-Oct-25.61008986)
9.2495e-05 TDB
period 1303.584496402579
3.57
1.1914e-05
3.262e-08
d
yr
n .2761616151415344 2.524e-09 deg/d
Q 2.710605271904072 1.6516e-08 au
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      9160 days (25.08 yr)  
   first obs. used      1995-09-17  
   last obs. used      2020-10-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6403  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:52:24  

Additional Information
 Earth MOID = .979968 au 
 Jupiter MOID = 2.36634 au 
 T_jup = 3.545 
[ 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 17.3   n/a MPO436922  

186716 (2004 BQ93)          Discovered 2004-Jan-28 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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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
2134-Dec-30 20:46 00:27 Psych 0.0424600830386143 0.0424200607052508 0.042500122025983 2.7272049662763 2.72720486179115 2500851.365021045 26.9224255739369 2393.88499961179 87.5986338734306 -33.6554195120843 40167.9050612478 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:52:25 2021-Apr-13 21:52
2184-Dec-15 08:50 00:42 Psych 0.0468761445245913 0.0468275065208471 0.0469248181491617 2.54774010584914 2.54774000454057 2519098.867861119 42.4847757619836 3164.34080111245 88.8469412959123 -40.0628520956283 50715.9670646478 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:52:25 2021-Apr-13 21:52
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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