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243611 (1999 AS1)
Classification: Main-belt Asteroid          SPK-ID: 2243611
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1399352599621677 4.9469e-08  
a 2.635300843885183 2.3887e-08 au
q 2.26652933521759 1.3635e-07 au
i 10.86466573438686 7.8684e-06 deg
node 299.4955687587823 2.4618e-05 deg
peri 78.83781630933579 4.2657e-05 deg
M 350.9239150808247 3.3202e-05 deg
tp 2458639.894879680504
(2019-Jun-05.39487968)
0.00014431 TDB
period 1562.585278925532
4.28
2.1245e-05
5.817e-08
d
yr
n .230387425797038 3.1324e-09 deg/d
Q 3.004072352552777 2.723e-08 au
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      7628 days (20.88 yr)  
   first obs. used      1999-01-08  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53227  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 18:27:22  

Additional Information
 Earth MOID = 1.29669 au 
 Jupiter MOID = 2.56732 au 
 T_jup = 3.359 
[ 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 16.0   n/a MPO454788  
diameter diameter 3.407 km 0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243611 (1999 AS1)          Discovered 1999-Jan-08 by Spacewatch at Kitt Peak
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

Alternate Designations
 1999 AS1 = 2006 US240 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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