Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
85313 (1994 YU1)
Classification: Main-belt Asteroid          SPK-ID: 2085313
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1415591997844463 2.9832e-08  
a 2.34295207250309 9.6877e-09 au
q 2.011285651986243 7.2009e-08 au
i 3.90684204149639 4.6584e-06 deg
node 324.8445071435275 5.7137e-05 deg
peri 119.6501693559729 6.0523e-05 deg
M 295.402619174354 1.9969e-05 deg
tp 2458835.547665765354
(2019-Dec-18.04766577)
7.3278e-05 TDB
period 1309.91626276484
3.59
8.1244e-06
2.224e-08
d
yr
n .2748267276567343 1.7045e-09 deg/d
Q 2.674618493019937 1.1059e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1096  
   data-arc span      9070 days (24.83 yr)  
   first obs. used      1994-12-31  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53553  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:10:42  

Additional Information
 Earth MOID = 1.03081 au 
 Jupiter MOID = 2.52424 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin