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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1416499230201667 2.9324e-08  
a 2.342861570995301 8.5323e-09 au
q 2.01099540981691 7.0097e-08 au
i 3.907104543180608 4.2961e-06 deg
node 324.8382148434587 5.3883e-05 deg
peri 119.5027912889598 5.6793e-05 deg
M 100.4162194300359 1.7162e-05 deg
tp 2458835.141062180418
(2019-Dec-17.64106218)
6.1943e-05 TDB
period 1309.840366044564
3.59
7.1553e-06
1.959e-08
d
yr
n .2748426520760865 1.5014e-09 deg/d
Q 2.674727732173693 9.7409e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1255  
   data-arc span      9268 days (25.37 yr)  
   first obs. used      1994-12-31  
   last obs. used      2020-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51128  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:12:25  

Additional Information
 Earth MOID = 1.03022 au 
 Jupiter MOID = 2.52365 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 14.89   n/a E2021B10  
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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