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JPL Small-Body Database Browser
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80174 (1999 UN23)
Classification: Main-belt Asteroid          SPK-ID: 2080174
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1208267787155923 4.3478e-08  
a 2.162468773695009 8.3353e-09 au
q 1.901184637696384 9.7644e-08 au
i 5.682339267685363 4.0815e-06 deg
node 315.9726416163664 4.4379e-05 deg
peri 95.26243631608509 4.9872e-05 deg
M 20.32358008485979 2.0111e-05 deg
tp 2458534.927626093554
(2019-Feb-20.42762609)
6.4853e-05 TDB
period 1161.510644667667
3.18
6.7157e-06
1.839e-08
d
yr
n .3099411973990163 1.792e-09 deg/d
Q 2.423752909693634 9.3425e-09 au
  Orbit Determination Parameters
   # obs. used (total)      895  
   data-arc span      7077 days (19.38 yr)  
   first obs. used      1999-09-08  
   last obs. used      2019-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5289  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:23:58  

Additional Information
 Earth MOID = .921409 au 
 Jupiter MOID = 2.8871 au 
 T_jup = 3.680 
[ 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 16.0   n/a MPO348016  
diameter diameter 3.864 km 0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

80174 (1999 UN23)          Discovered 1999-Oct-28 by CSS at Catalina
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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