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22654 (1998 QA5)
Classification: Main-belt Asteroid          SPK-ID: 2022654
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08638928360955135 3.8473e-08  
a 2.406960000469493 9.9169e-09 au
q 2.199024450352088 9.0412e-08 au
i 6.13326147297463 4.4771e-06 deg
node 236.3502656387139 4.3504e-05 deg
peri 200.9619033040033 5.6932e-05 deg
M 259.0409853812498 3.6011e-05 deg
tp 2459583.011361162776
(2022-Jan-03.51136116)
0.00013703 TDB
period 1363.960321310673
3.73
8.4295e-06
2.308e-08
d
yr
n .2639372966906138 1.6312e-09 deg/d
Q 2.614895550586898 1.0774e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1424  
   data-arc span      9951 days (27.24 yr)  
   first obs. used      1993-04-18  
   last obs. used      2020-07-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51328  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:08:45  

Additional Information
 Earth MOID = 1.21478 au 
 Jupiter MOID = 2.59009 au 
 T_jup = 3.509 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO337449  

22654 (1998 QA5)          Discovered 1998-Aug-22 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QA5 = 2000 AY140 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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