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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 ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3957452863454222 7.8255e-08  
a 2.754940376683076 1.9348e-08 AU
q 1.664685708448066 2.1485e-07 AU
i 29.69917842574488 1.0424e-05 deg
node 65.79868978023308 1.4928e-05 deg
peri 276.6283604207463 1.9642e-05 deg
M 32.83981066434055 1.4563e-05 deg
tp 2456848.142135474975
(2014-Jul-09.64213547)
6.7031e-05 JED
period 1670.193284292205
4.57
1.7594e-05
4.817e-08
d
yr
n .2155439154172871 2.2706e-09 deg/d
Q 3.845195044918085 2.7005e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      693  
   data-arc span      14929 days (40.87 yr)  
   first obs. used      1973-12-20  
   last obs. used      2014-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52456  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:01:53  

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 12.5 mag n/a MPO267734  

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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