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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3958464082197656 9.7632e-08  
a 2.755371685723872 3.8159e-08 AU
q 1.664667700619636 2.612e-07 AU
i 29.69880927111212 1.1107e-05 deg
node 65.80030754344489 1.6026e-05 deg
peri 276.626666760004 2.5606e-05 deg
M 349.7329341780814 3.3441e-05 deg
tp 2456848.144476483631
(2014-Jul-09.64447648)
0.00015599 JED
period 1670.585523810558
4.57
3.4704e-05
9.501e-08
d
yr
n .2154933075074482 4.4765e-09 deg/d
Q 3.846075670828107 5.3264e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      668  
   data-arc span      14418 days (39.47 yr)  
   first obs. used      1973-12-20  
   last obs. used      2013-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53334  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-26 18:58:21  

Additional Information
 Earth MOID = .905183 AU 
 T_jup = 3.049 
[ 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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