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17578 (1994 QQ)
Classification: Main-belt Asteroid          SPK-ID: 2017578
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09741360932209739 3.0247e-08  
a 2.875741182085386 1.316e-08 au
q 2.595604854062253 8.6987e-08 au
i 9.930302283477006 3.7494e-06 deg
node 341.50206031 1.9651e-05 deg
peri 266.9006884800845 2.9528e-05 deg
M 223.574472372894 2.3782e-05 deg
tp 2459875.519413644004
(2022-Oct-23.01941364)
0.00011938 TDB
period 1781.242800658658
4.88
1.2227e-05
3.348e-08
d
yr
n .2021060800172111 1.3873e-09 deg/d
Q 3.155877510108518 1.4442e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2131  
   data-arc span      11509 days (31.51 yr)  
   first obs. used      1989-08-30  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46231  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:07:02  

Additional Information
 Earth MOID = 1.60497 au 
 Jupiter MOID = 1.96983 au 
 T_jup = 3.267 
[ 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 13.60   n/a E2021B10  

17578 (1994 QQ)          Discovered 1994-Aug-16 by Kobayashi, T. at Oizumi
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 QQ = 1997 BT1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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