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7993 (1982 UD2)
Classification: Main-belt Asteroid          SPK-ID: 2007993
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1342076472289443 8.6207e-08  
a 2.923770496618233 2.0875e-08 AU
q 2.531378137229698 2.5137e-07 AU
i 2.594773565705023 6.6461e-06 deg
node 42.60237799685643 0.0001074 deg
peri 329.666774814007 0.00010912 deg
M 170.6134569693779 1.9831e-05 deg
tp 2456135.085578935111
(2012-Jul-26.58557894)
9.8666e-05 JED
period 1826.052863106089
5.00
1.9556e-05
5.354e-08
d
yr
n .1971465379089001 2.1114e-09 deg/d
Q 3.316162856006769 2.3677e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1441  
   data-arc span      11816 days (32.35 yr)  
   first obs. used      1982-10-16  
   last obs. used      2015-02-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52705  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:11:34  

Additional Information
 Earth MOID = 1.53204 AU 
 T_jup = 3.264 
[ 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 12.4 mag n/a MPO256923  

7993 (1982 UD2)          Discovered 1982-Oct-16 by Mrkos, A. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1982 UD2 = 1987 UF 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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