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118884 (2000 UN12)
Classification: Main-belt Asteroid          SPK-ID: 2118884
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1602788097029033 3.8404e-08  
a 3.032137064310892 2.1384e-08 au
q 2.546149744787086 1.2248e-07 au
i 2.580469139234278 4.3387e-06 deg
node 32.58739879444957 0.00011925 deg
peri 40.0676814085307 0.0001213 deg
M 278.3372134874822 2.7323e-05 deg
tp 2459637.965052779157
(2022-Feb-27.46505278)
0.00014948 TDB
period 1928.509003012725
5.28
2.0401e-05
5.585e-08
d
yr
n .1866727090397848 1.9748e-09 deg/d
Q 3.518124383834697 2.4811e-08 au
  Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      10872 days (29.77 yr)  
   first obs. used      1991-01-11  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60473  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:08:17  

Additional Information
 Earth MOID = 1.56106 au 
 Jupiter MOID = 1.76881 au 
 T_jup = 3.222 
[ show covariance matrix ]

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 15.2   n/a MPO264149  
diameter diameter 4.102 km 0.945 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118884 (2000 UN12)          Discovered 2000-Oct-24 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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