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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2426882489958834 8.253e-08  
a 2.335161186502064 1.5862e-08 AU
q 1.768445007026729 1.9e-07 AU
i 5.906390478144043 8.1925e-06 deg
node 37.40052064548184 6.7541e-05 deg
peri 332.2362511555068 6.8696e-05 deg
M 193.1597468003871 1.9074e-05 deg
tp 2457404.548849655635
(2016-Jan-17.04884966)
7.3844e-05 JED
period 1303.388011620046
3.57
1.328e-05
3.636e-08
d
yr
n .2762032463015661 2.8142e-09 deg/d
Q 2.901877365977399 1.9711e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      553  
   data-arc span      7099 days (19.44 yr)  
   first obs. used      1994-10-31  
   last obs. used      2014-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60307  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:26:12  

Additional Information
 Earth MOID = .769576 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 14.9 mag n/a PDS3 (MPO 15182)  

27850 (1994 UD2)          Discovered 1994-Oct-31 by Ueda, S., Kaneda, H. at Kushiro (399)
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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