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10422 (1999 AN22)
Classification: Main-belt Asteroid          SPK-ID: 2010422
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 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .208418013198693 1.2299e-08  
a 2.853151410135891 1.188e-08 au
q 2.258503261880319 3.5549e-08 au
i 17.90635768085501 7.4965e-07 deg
node 68.0032177846107 3.081e-06 deg
peri 203.6931192952017 5.1205e-06 deg
M 89.99716629914772 5.4297e-06 deg
tp 2458760.439902926064
(2019-Oct-03.93990293)
2.5111e-05 TDB
period 1760.295812204001
4.82
1.0995e-05
3.01e-08
d
yr
n .2045110813217565 1.2774e-09 deg/d
Q 3.447799558391463 1.4356e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2914  
   data-arc span      24561 days (67.24 yr)  
   first obs. used      1953-12-08  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37584  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:05:05  

Additional Information
 Earth MOID = 1.2512 au 
 Jupiter MOID = 1.67612 au 
 T_jup = 3.202 
[ 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 12.38   n/a MPCxxxxx  
diameter diameter 20.874 km 0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 35.157 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:
[Benishek, V. (2019) Minor Planet Bull. 46, 506-508.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2019) http://www.asu.cas.cz/~ppravec/neo.htm]
[Brincat, S.M.; Hills, K.; Galdies, C. (2020) Minor Planet Bull. 47, 12.]
geometric albedo albedo 0.047   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

10422 (1999 AN22)          Discovered 1999-Jan-14 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 19990402/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 AN22 = 1953 XW1 = 1982 VW10 = 1985 GR = 1989 AH8 = 1990 KP3 = 1995 KL2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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