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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09323260597141238 3.5786e-08  
a 2.993343918892796 1.7194e-08 au
q 2.714266664765741 1.0636e-07 au
i 11.81272374952495 4.796e-06 deg
node 148.5464149744147 2.3724e-05 deg
peri 149.7075957370502 3.8865e-05 deg
M 186.9108329228127 3.2036e-05 deg
tp 2459509.995889985119
(2021-Oct-22.49588999)
0.00017092 TDB
period 1891.617632249822
5.18
1.6299e-05
4.462e-08
d
yr
n .1903133032080214 1.6398e-09 deg/d
Q 3.272421173019851 1.8798e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1652  
   data-arc span      14359 days (39.31 yr)  
   first obs. used      1980-08-04  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53655  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 01:01:09  

Additional Information
 Earth MOID = 1.70537 au 
 Jupiter MOID = 2.02578 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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