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JPL Small-Body Database Browser
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6454 (1991 UG1)
Classification: Main-belt Asteroid          SPK-ID: 2006454
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3929393713549487 3.6031e-08  
a 2.757306685328675 1.4257e-08 au
q 1.673852329762828 1.0231e-07 au
i 29.73060122357418 5.5483e-06 deg
node 65.60077875879099 8.0535e-06 deg
peri 276.8618094752302 1.0764e-05 deg
M 17.20509192159364 7.6746e-06 deg
tp 2458520.575388469356
(2019-Feb-06.07538847)
3.5432e-05 TDB
period 1672.345621991118
4.58
1.2971e-05
3.551e-08
d
yr
n .2152665066754436 1.6696e-09 deg/d
Q 3.840761040894521 1.9859e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1737  
   data-arc span      16788 days (45.96 yr)  
   first obs. used      1973-12-20  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47581  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 22:13:22  

Additional Information
 Earth MOID = .91317 au 
 Jupiter MOID = 2.52363 au 
 T_jup = 3.050 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.7   n/a MPO332879  
diameter diameter 9.493 km 2.001 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 9.8017 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Hess, K.; Ditteon, R. (2016) Minor Planet Bull. 43, 120.]
geometric albedo albedo 0.132   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

6454 (1991 UG1)          Discovered 1991-Oct-29 by McNaught, R. H. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1991 UG1 = 1973 YY 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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