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385089 (2012 UG171)
Classification: Main-belt Asteroid          SPK-ID: 2385089
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1375079403670498 6.5701e-08  
a 2.760045873504894 4.4568e-08 au
q 2.380517650120661 2.052e-07 au
i 16.43064181021284 6.1916e-06 deg
node 279.2792352276898 1.8622e-05 deg
peri 7.025293175405949 2.7901e-05 deg
M 3.07844473992627 1.8971e-05 deg
tp 2459186.178063667903
(2020-Dec-02.67806367)
8.8256e-05 TDB
period 1674.838275537279
4.59
4.0567e-05
1.111e-07
d
yr
n .214946126595127 5.2063e-09 deg/d
Q 3.139574096889127 5.0696e-08 au
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      6080 days (16.65 yr)  
   first obs. used      2003-10-22  
   last obs. used      2020-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53651  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:04:03  

Additional Information
 Earth MOID = 1.36286 au 
 Jupiter MOID = 2.02827 au 
 T_jup = 3.269 
[ 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 15.77   n/a E2021B25  
diameter diameter 4.794 km 0.174 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

385089 (2012 UG171)          Discovered 2010-May-05 by WISE at WISE
Reference: Last Updated: 2014-01-21

Alternate Designations
 2012 UG171 = 2010 JK26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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