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22664 (1998 QY22)
Classification: Main-belt Asteroid          SPK-ID: 2022664
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1574992237273516 4.187e-08  
a 3.131771445940815 1.7204e-08 au
q 2.638519874313651 1.3787e-07 au
i 5.275050695016152 4.0822e-06 deg
node 18.29830069559682 3.7131e-05 deg
peri 344.4473895648187 3.8778e-05 deg
M 349.3210408812253 1.0508e-05 deg
tp 2459260.549575297905
(2021-Feb-15.04957530)
5.9193e-05 TDB
period 2024.340281370631
5.54
1.6681e-05
4.567e-08
d
yr
n .1778357143376373 1.4654e-09 deg/d
Q 3.625023017567979 1.9913e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1419  
   data-arc span      9463 days (25.91 yr)  
   first obs. used      1995-02-20  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52481  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:08:53  

Additional Information
 Earth MOID = 1.63508 au 
 Jupiter MOID = 1.83233 au 
 T_jup = 3.187 
[ 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 14.01   n/a E2021B10  
diameter diameter 10.406 km 2.506 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.046   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

22664 (1998 QY22)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QY22 = 1999 XD170 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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