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4399 Ashizuri (1984 UA)
Classification: Main-belt Asteroid          SPK-ID: 2004399
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1716564185341315 3.4985e-08  
a 2.576230604576154 1.1862e-08 au
q 2.134004085676591 9.0861e-08 au
i 12.08229246375639 5.1415e-06 deg
node 244.0470954108303 1.7937e-05 deg
peri 54.03978999814927 2.3738e-05 deg
M 202.1411838272346 1.7035e-05 deg
tp 2459262.780351239610
(2021-Feb-17.28035124)
7.3215e-05 TDB
period 1510.342800146966
4.14
1.0431e-05
2.856e-08
d
yr
n .2383564843457854 1.6462e-09 deg/d
Q 3.018457123475717 1.3898e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2062  
   data-arc span      24634 days (67.44 yr)  
   first obs. used      1951-12-01  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43717  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 00:25:40  

Additional Information
 Earth MOID = 1.142 au 
 Jupiter MOID = 2.20844 au 
 T_jup = 3.375 
[ 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 12.6   n/a MPO473826  
diameter diameter 8.785 km 0.252 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.829 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Brinsfield, J.W. (2008) Minor Planet Bull. 35, 179-181.]
[Hanus, J.; Broz, M.; Durech, J.; Warner, B.D.; et al. (2013) Astron. Astrophys. 559, A134.]
geometric albedo albedo 0.275   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4399 Ashizuri (1984 UA)          Discovered 1984-Oct-21 by Seki, T. at Geisei
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1984 UA = 1970 EV2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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