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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3957452997182966 7.7288e-08  
a 2.754940375325963 1.6508e-08 AU
q 1.664685670786553 2.1225e-07 AU
i 29.69917872348669 1.0283e-05 deg
node 65.79868989099371 1.3082e-05 deg
peri 276.6283624991361 1.8162e-05 deg
M 32.83980905478487 1.2544e-05 deg
tp 2456848.142143054968
(2014-Jul-09.64214305)
5.804e-05 JED
period 1670.193283058073
4.57
1.5012e-05
4.11e-08
d
yr
n .2155439155765559 1.9373e-09 deg/d
Q 3.845195079865373 2.3041e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      888  
   data-arc span      15035 days (41.16 yr)  
   first obs. used      1973-12-20  
   last obs. used      2015-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47742  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:03:59  

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
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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FirstGov 2015-Mar-29 10:36 UT
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