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27170 (1999 AN30)
Classification: Main-belt Asteroid          SPK-ID: 2027170
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1821355309983403 4.7193e-08  
a 2.459231028079496 1.0063e-08 au
q 2.011317678932643 1.1551e-07 au
i 1.44605814428266 3.4881e-06 deg
node 274.4444880862742 0.00019811 deg
peri 91.1011493691102 0.00019838 deg
M 291.6241949276762 1.4301e-05 deg
tp 2459268.045329198881
(2021-Feb-22.54532920)
5.7209e-05 TDB
period 1408.631582614925
3.86
8.6463e-06
2.367e-08
d
yr
n .2555671791283502 1.5687e-09 deg/d
Q 2.90714437722635 1.1896e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1215  
   data-arc span      12258 days (33.56 yr)  
   first obs. used      1986-11-25  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55235  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 19:32:25  

Additional Information
 Earth MOID = 1.01021 au 
 Jupiter MOID = 2.55861 au 
 T_jup = 3.467 
[ 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 15.0   n/a MPO279798  
diameter diameter 2.184 km 0.262 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.406   0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27170 (1999 AN30)          Discovered 1999-Jan-14 by Spacewatch at Kitt Peak
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 AN30 = 1986 WX = 1994 WX9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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