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22764 (1999 AX3)
Classification: Main-belt Asteroid          SPK-ID: 2022764
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08266599138785323 3.7552e-08  
a 2.151224172727866 6.2224e-09 au
q 1.973391093791803 8.1582e-08 au
i 3.662830144477882 3.0629e-06 deg
node 48.31304254023999 5.7484e-05 deg
peri 145.9203130613135 6.0241e-05 deg
M 283.9793621276258 1.8187e-05 deg
tp 2459443.863778340602
(2021-Aug-17.36377834)
5.8406e-05 TDB
period 1152.462839758078
3.16
5.0002e-06
1.369e-08
d
yr
n .3123744971035858 1.3553e-09 deg/d
Q 2.329057251663929 6.7368e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1787  
   data-arc span      16095 days (44.07 yr)  
   first obs. used      1977-02-18  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47523  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:11:41  

Additional Information
 Earth MOID = .972171 au 
 Jupiter MOID = 2.62501 au 
 T_jup = 3.698 
[ 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 15.1   n/a MPO435913  
diameter diameter 2.470 km 0.628 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 76.886 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.317   0.184 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22764 (1999 AX3)          Discovered 1999-Jan-10 by Kobayashi, T. at Oizumi
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 AX3 = 1977 DP4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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