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27169 (1999 AS23)
Classification: Main-belt Asteroid          SPK-ID: 2027169
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09356607528654984 3.2301e-08  
a 2.992152037312353 1.521e-08 au
q 2.712188114520382 9.8955e-08 au
i 11.81520859443478 4.7483e-06 deg
node 148.5473982414297 2.1072e-05 deg
peri 149.8783054271683 3.7142e-05 deg
M 262.887851640445 3.2101e-05 deg
tp 2459510.470405216428
(2021-Oct-22.97040522)
0.00017005 TDB
period 1890.487945938335
5.18
1.4415e-05
3.947e-08
d
yr
n .1904270274631747 1.452e-09 deg/d
Q 3.272115960104324 1.6633e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2000  
   data-arc span      14592 days (39.95 yr)  
   first obs. used      1980-08-04  
   last obs. used      2020-07-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50297  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:24:48  

Additional Information
 Earth MOID = 1.70402 au 
 Jupiter MOID = 2.0283 au 
 T_jup = 3.217 
[ 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 12.8   n/a MPO279798  
diameter diameter 8.174 km 0.199 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.220   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27169 (1999 AS23)          Discovered 1999-Jan-14 by LONEOS at Anderson Mesa
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 AS23 = 1980 PT4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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