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27850 (1994 UD2)
Classification: Main-belt Asteroid          SPK-ID: 2027850
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2426127075774987 7.4113e-08  
a 2.3354124459364 1.4489e-08 AU
q 1.768811709117581 1.6992e-07 AU
i 5.905953019943652 7.2631e-06 deg
node 37.40046137163364 5.9565e-05 deg
peri 332.2111763931483 6.0658e-05 deg
M 248.4279026481914 1.7361e-05 deg
tp 2457404.514459593612
(2016-Jan-17.01445959)
6.5785e-05 JED
period 1303.598380830676
3.57
1.2131e-05
3.321e-08
d
yr
n .2761586737861714 2.5699e-09 deg/d
Q 2.902013182755218 1.8004e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      575  
   data-arc span      7529 days (20.61 yr)  
   first obs. used      1994-10-31  
   last obs. used      2015-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59117  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:41:31  

Additional Information
 Earth MOID = .7713 AU 
 T_jup = 3.521 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0 mag n/a MPO299157  

27850 (1994 UD2)          Discovered 1994-Oct-31 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 UD2 = 1999 BU 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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