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85313 (1994 YU1)
Classification: Main-belt Asteroid          SPK-ID: 2085313
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1416422330460964 2.9519e-08  
a 2.343228939794551 8.6301e-09 au
q 2.011328760223813 7.0686e-08 au
i 3.906995770686029 4.3041e-06 deg
node 324.8375969493864 5.4416e-05 deg
peri 119.5703196155744 5.7326e-05 deg
M 45.39072979879263 1.7251e-05 deg
tp 2458835.309459123131
(2019-Dec-17.80945912)
6.2546e-05 TDB
period 1310.148459372306
3.59
7.2379e-06
1.982e-08
d
yr
n .2747780203263962 1.518e-09 deg/d
Q 2.675129119365288 9.8525e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1240  
   data-arc span      9244 days (25.31 yr)  
   first obs. used      1994-12-31  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50996  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:35:19  

Additional Information
 Earth MOID = 1.03089 au 
 Jupiter MOID = 2.5231 au 
 T_jup = 3.546 
[ 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 14.8   n/a MPO453283  
diameter diameter 2.810 km 0.587 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.323   0.131 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85313 (1994 YU1)          Discovered 1994-Dec-31 by Kobayashi, T. at Oizumi
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1994 YU1 = 1999 GU57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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