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27674 (1980 UR1)
Classification: Main-belt Asteroid          SPK-ID: 2027674
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2134101876004009 3.4761e-08  
a 2.346360737470072 7.8175e-09 au
q 1.845623452308369 8.307e-08 au
i 7.706452578284405 4.0916e-06 deg
node 233.6900722782194 3.1411e-05 deg
peri 201.9759859483077 3.3171e-05 deg
M 228.7357001071503 1.0887e-05 deg
tp 2459079.168365899852
(2020-Aug-17.66836590)
4.0694e-05 TDB
period 1312.775917478027
3.59
6.5608e-06
1.796e-08
d
yr
n .2742280652829126 1.3705e-09 deg/d
Q 2.847098022631775 9.4858e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1025  
   data-arc span      24919 days (68.22 yr)  
   first obs. used      1951-08-10  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58737  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:01:22  

Additional Information
 Earth MOID = .862729 au 
 Jupiter MOID = 2.44349 au 
 T_jup = 3.518 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO395272  
diameter diameter 2.767 km 0.159 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.277   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27674 (1980 UR1)          Discovered 1980-Oct-31 by Bus, S. J. at Palomar
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1980 UR1 = 1998 VD21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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