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6454 (1991 UG1)
Classification: Mars-crossing Asteroid          SPK-ID: 2006454
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3957452898689957 7.7973e-08  
a 2.754940379498921 1.6948e-08 AU
q 1.66468570044232 2.1432e-07 AU
i 29.69917826746753 1.0355e-05 deg
node 65.79869002299694 1.3711e-05 deg
peri 276.6283614011531 1.8742e-05 deg
M 32.83980817802252 1.2743e-05 deg
tp 2456848.142146776474
(2014-Jul-09.64214678)
5.893e-05 JED
period 1670.193286852881
4.57
1.5413e-05
4.22e-08
d
yr
n .2155439150868235 1.989e-09 deg/d
Q 3.845195058555523 2.3656e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      733  
   data-arc span      14982 days (41.02 yr)  
   first obs. used      1973-12-20  
   last obs. used      2014-12-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51409  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:16:56  

Additional Information
 Earth MOID = .90599 AU 
 T_jup = 3.050 
[ 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 12.6 mag n/a MPO319165  

6454 (1991 UG1)          Discovered 1991-Oct-29 by McNaught, R. H. at Siding Spring (413)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 UG1 = 1973 YY 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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