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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3957453050455959 7.7045e-08  
a 2.75494037416736 1.646e-08 AU
q 1.66468565541007 2.1152e-07 AU
i 29.69917945270291 1.0247e-05 deg
node 65.79868848004935 1.2971e-05 deg
peri 276.62836474561 1.8046e-05 deg
M 32.83980852705509 1.2531e-05 deg
tp 2456848.142145599444
(2014-Jul-09.64214560)
5.7973e-05 JED
period 1670.193282004461
4.57
1.4969e-05
4.098e-08
d
yr
n .215543915712528 1.9317e-09 deg/d
Q 3.84519509292465 2.2974e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      945  
   data-arc span      15074 days (41.27 yr)  
   first obs. used      1973-12-20  
   last obs. used      2015-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46743  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:25:12  

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 12.7 mag n/a MPO332879  

6454 (1991 UG1)          Discovered 1991-Oct-29 by McNaught, R. H. at Siding Spring
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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