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4531 Asaro (1985 FC)
Classification: Inner Main-belt Asteroid          SPK-ID: 2004531
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .040520764188448 1.0789e-08  
a 1.862050493263795 4.8302e-09 au
q 1.78659878431927 1.9991e-08 au
i 23.97370342312454 1.0291e-06 deg
node 15.08001732054782 3.4996e-06 deg
peri 142.906077075799 3.3701e-05 deg
M 42.49863771167624 3.3006e-05 deg
tp 2459090.938463176221
(2020-Aug-29.43846318)
8.4989e-05 TDB
period 928.0804134040281
2.54
3.6112e-06
9.887e-09
d
yr
n .3878974222498525 1.5093e-09 deg/d
Q 1.937502202208321 5.0259e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1682  
   data-arc span      16733 days (45.81 yr)  
   first obs. used      1975-04-20  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40494  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:27:56  

Additional Information
 Earth MOID = .798681 au 
 Jupiter MOID = 3.02876 au 
 T_jup = 3.887 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.22   n/a E2021B10  
diameter diameter 2.216 km 0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.144 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2013) Minor Planet Bull. 40, 217-220.]
[Warner, B.D. (2015) Minor Planet Bull. 42, 54-60.]
[Warner, B.D. (2015) Minor Planet Bull. 42, 108-114.]
[Warner, B.D. (2018) Minor Planet Bull. 45, 256-259.]
geometric albedo albedo 0.988   0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4531 Asaro (1985 FC)          Discovered 1985-Mar-20 by Shoemaker, C. S. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1985 FC = 1975 HD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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