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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3957453066361544 8.0927e-08  
a 2.754940398886453 2.8246e-08 AU
q 1.664685665964804 2.1967e-07 AU
i 29.6991782373553 1.0618e-05 deg
node 65.79868951323014 1.5637e-05 deg
peri 276.6283687687921 2.1302e-05 deg
M 32.83979222575168 2.2492e-05 deg
tp 2456848.142219177554
(2014-Jul-09.64221918)
0.00010271 JED
period 1670.19330448353
4.57
2.5686e-05
7.032e-08
d
yr
n .2155439128115305 3.3149e-09 deg/d
Q 3.845195131808102 3.9424e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      678  
   data-arc span      14880 days (40.74 yr)  
   first obs. used      1973-12-20  
   last obs. used      2014-09-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52864  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:07:17  

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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