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185664 (1995 AW1)
Classification: Main-belt Asteroid          SPK-ID: 2185664
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04256190568558761 4.5303e-08  
a 2.513676907236529 1.7572e-08 au
q 2.406690027786688 1.1296e-07 au
i 5.326970654164506 4.8314e-06 deg
node 108.93819457817 6.1108e-05 deg
peri 209.9625647020754 8.8136e-05 deg
M 283.5794016737673 6.4831e-05 deg
tp 2459309.508583174524
(2021-Apr-05.00858317)
0.00026236 TDB
period 1455.668921459394
3.99
1.5264e-05
4.179e-08
d
yr
n .2473089826215969 2.5933e-09 deg/d
Q 2.62066378668637 1.832e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      9784 days (26.79 yr)  
   first obs. used      1992-04-26  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56728  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:32:39  

Additional Information
 Earth MOID = 1.39443 au 
 Jupiter MOID = 2.49754 au 
 T_jup = 3.453 
[ 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 16.6   n/a MPO422723  
rotation period rot_per 5.40 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

185664 (1995 AW1)          Discovered 1995-Jan-07 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 1995 AW1 = 2001 SC328 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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