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17877 (1999 AZ22)
Classification: Main-belt Asteroid          SPK-ID: 2017877
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04036536578160296 1.5504e-08  
a 2.308800996979179 7.2938e-09 au
q 2.215605400219185 3.7024e-08 au
i 7.276060192585132 8.2076e-07 deg
node 47.8159432990346 2.3707e-06 deg
peri 85.09611531363704 1.7977e-05 deg
M 94.63828137805447 1.7963e-05 deg
tp 2458863.645368483401
(2020-Jan-15.14536848)
6.4097e-05 TDB
period 1281.380701130274
3.51
6.0721e-06
1.662e-08
d
yr
n .280946950178392 1.3313e-09 deg/d
Q 2.401996593739174 7.5883e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2753  
   data-arc span      9355 days (25.61 yr)  
   first obs. used      1994-11-02  
   last obs. used      2020-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44853  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 01:45:07  

Additional Information
 Earth MOID = 1.2437 au 
 Jupiter MOID = 2.60034 au 
 T_jup = 3.574 
[ 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 14.08   n/a E2021B10  
diameter diameter 4.503 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 12.553 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:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.275   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17877 (1999 AZ22)          Discovered 1999-Jan-15 by Kobayashi, T. at Oizumi
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 AZ22 = 1996 HG24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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