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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .242537048724333 5.824e-08  
a 2.335740338483093 1.1563e-08 au
q 1.769236770201029 1.371e-07 au
i 5.905610265104814 6.4523e-06 deg
node 37.39377147189025 5.887e-05 deg
peri 332.1690843949497 5.9938e-05 deg
M 358.9136452344537 1.5357e-05 deg
tp 2457404.434634916365
(2016-Jan-16.93463492)
5.5642e-05 JED
period 1303.872928821029
3.57
9.6822e-06
2.651e-08
d
yr
n .2761005248613563 2.0502e-09 deg/d
Q 2.902243906765157 1.4368e-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 = .769967 au 
 Jupiter MOID = 2.55581 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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