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22484 (1997 GX21)
Classification: Main-belt Asteroid          SPK-ID: 2022484
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07031426015754799 3.6823e-08  
a 2.898366686332134 1.3573e-08 au
q 2.694570177117406 1.0843e-07 au
i 3.65511170129365 3.6263e-06 deg
node 98.90693744594645 6.4667e-05 deg
peri 264.4396017145942 6.9518e-05 deg
M 146.5604322430479 2.6258e-05 deg
tp 2458466.759219726830
(2018-Dec-14.25921973)
0.00013074 TDB
period 1802.305553113372
4.93
1.266e-05
3.466e-08
d
yr
n .1997441551340294 1.4031e-09 deg/d
Q 3.102163195546861 1.4527e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2057  
   data-arc span      8744 days (23.94 yr)  
   first obs. used      1997-04-06  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5346  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:06:52  

Additional Information
 Earth MOID = 1.69334 au 
 Jupiter MOID = 2.25101 au 
 T_jup = 3.281 
[ 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 13.53   n/a E2021B10  
diameter diameter 6.037 km 0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.232   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22484 (1997 GX21)          Discovered 1997-Apr-06 by LINEAR at Socorro
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 GX21 = 1998 QY8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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