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8547 (1994 CQ)
Classification: Main-belt Asteroid          SPK-ID: 2008547
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1620449445102695 2.803e-08  
a 2.373359363144377 6.8551e-09 au
q 1.988768476840718 6.5278e-08 au
i 1.765717019634702 3.6026e-06 deg
node 321.0096861254597 0.00010279 deg
peri 154.4999589679969 0.00010363 deg
M 82.69519435825674 1.2424e-05 deg
tp 2458693.723949844115
(2019-Jul-29.22394984)
4.564e-05 TDB
period 1335.499346886675
3.66
5.7861e-06
1.584e-08
d
yr
n .2695620936387834 1.1679e-09 deg/d
Q 2.757950249448037 7.9659e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1767  
   data-arc span      15213 days (41.65 yr)  
   first obs. used      1978-10-30  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52129  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:20:03  

Additional Information
 Earth MOID = 1.0053 au 
 Jupiter MOID = 2.33353 au 
 T_jup = 3.525 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457149.5 (2015-May-07.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1619136077719298 2.8184e-08  
q 1.989180466702628 6.5671e-08 au
tp 2457359.158328976623
(2015-Dec-02.65832898)
4.4054e-05 TDB
node 321.0698047420919 0.00010267 deg
peri 154.7752332996913 0.0001035 deg
i 1.766904308915094 3.6041e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1767  
   data-arc span      15213 days (41.65 yr)  
   first obs. used      1978-10-30  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52129  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:20:03  

Additional Information
 Jupiter MOID = 2.33353 au 
 T_jup = 3.525 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.943265085718387E-16 -1.844221650041425E-15 4.812120918343678E-13 -6.542119173417606E-15 1.376087635623247E-13 -2.467669751803949E-16
q -1.844221650041425E-15 4.31262750162876E-15 -1.094423577691499E-12 1.576089076584552E-14 -3.146528461510785E-13 6.126259738003832E-16
tp 4.812120918343678E-13 -1.094423577691499E-12 1.94074526782433E-9 -1.041244263450505E-11 5.875447744699819E-10 -5.254969769723444E-13
node -6.542119173417606E-15 1.576089076584552E-14 -1.041244263450505E-11 1.054015150227604E-8 -1.053760067742212E-8 1.335295061089287E-10
peri 1.376087635623247E-13 -3.146528461510785E-13 5.875447744699819E-10 -1.053760067742212E-8 1.071223879744748E-8 -1.336202245691576E-10
i -2.467669751803949E-16 6.126259738003832E-16 -5.254969769723444E-13 1.335295061089287E-10 -1.336202245691576E-10 1.298986769233526E-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 15.0   n/a MPO502234  

8547 (1994 CQ)          Discovered 1994-Feb-04 by Ueda, S., Kaneda, H. at Kushiro
Reference: 19980313/Numbers.arcLast Updated: 2004-04-19

[ 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
2054-Aug-22 03:36 00:04 Psych 0.040408939325122 0.0404071504725413 0.0404107283415485 2.728563755813 2.7285636460789 2471501.650037931 3.74489349596743 162.770479947254 30.3464734044872 58.4232005680353 170487.732628519 T 28 CATAB v2.0f-lin.ifort 2020-Nov-13 03:20:07 2020-Nov-13 03:20
2130-Dec-22 00:58 00:01 Eunom 0.0417021351212267 0.0416948727362299 0.0417094000311941 5.01930388221142 5.01930381514701 2499381.539984783 1.00114077592812 629.565196088558 43.8587577516655 55.1066784127419 116727.953698533 T 28 CATAB v2.0f-lin.ifort 2020-Nov-13 03:20:07 2020-Nov-13 03:20

Alternate Designations
 1994 CQ = 1978 VU 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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