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90830 Beihang (1995 UX7)
Classification: Main-belt Asteroid          SPK-ID: 2090830
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07024343047133864 8.912e-08  
a 2.762233495871379 4.2271e-08 AU
q 2.568204739358535 2.6089e-07 AU
i 5.580394612808275 9.7376e-06 deg
node 293.9203766268063 8.7869e-05 deg
peri 81.77571810186224 0.00011069 deg
M 63.420208946962 6.7426e-05 deg
tp 2456705.097493693731
(2014-Feb-16.59749369)
0.0003135 JED
period 1676.829894382599
4.59
3.8491e-05
1.054e-07
d
yr
n .2146908289302358 4.9282e-09 deg/d
Q 2.956262252384223 4.524e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      315  
   data-arc span      7057 days (19.32 yr)  
   first obs. used      1995-10-25  
   last obs. used      2015-02-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48134  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 18:07:21  

Additional Information
 Earth MOID = 1.57623 AU 
 T_jup = 3.330 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6 mag n/a MPO320096  

90830 Beihang           Discovered 1995 Oct. 25 by the Beijing Schmidt CCD Asteroid Program at Xinglong.
Founded in 1952, Beihang University is one of the key institutes in the national agendas "211 Project" and "985 Scheme". It has made great contributions to China's aeronautic and astronautic industry, as well as social and economic development.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120703/MPCPages.arcLast Updated: 2012-07-09
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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