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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2424576006697102 5.8247e-08  
a 2.335452382738165 1.1566e-08 au
q 1.769204201541112 1.371e-07 au
i 5.905751304609063 6.4525e-06 deg
node 37.39385691896551 5.8869e-05 deg
peri 332.1519950154249 5.9937e-05 deg
M 54.15479825870165 1.5649e-05 deg
tp 2457404.394671725610
(2016-Jan-16.89467173)
5.5649e-05 JED
period 1303.631819317812
3.57
9.6844e-06
2.651e-08
d
yr
n .2761515902460768 2.0515e-09 deg/d
Q 2.901700563935219 1.4371e-08 au
  Orbit Determination Parameters
   # obs. used (total)      599  
   data-arc span      7672 days (21.00 yr)  
   first obs. used      1994-10-31  
   last obs. used      2015-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57487  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Nov-30 16:51:46  

Additional Information
 Earth MOID = .770491 au 
 Jupiter MOID = 2.55588 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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