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187374 (2005 UN335)
Classification: Main-belt Asteroid          SPK-ID: 2187374
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0206913681064504 4.3281e-08  
a 3.099055762690614 3.3713e-08 au
q 3.034932059122366 1.4225e-07 au
i 11.08569604846871 4.929e-06 deg
node 28.03260562394802 2.8344e-05 deg
peri 31.44080370755538 0.00017815 deg
M 267.1985171248143 0.00017993 deg
tp 2459714.182686372072
(2022-May-14.68268637)
0.0010007 TDB
period 1992.702717290236
5.46
3.2516e-05
8.902e-08
d
yr
n .1806591604840805 2.9479e-09 deg/d
Q 3.163179466258862 3.441e-08 au
  Orbit Determination Parameters
   # obs. used (total)      454  
   data-arc span      6761 days (18.51 yr)  
   first obs. used      2002-03-11  
   last obs. used      2020-09-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57032  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:55:09  

Additional Information
 Earth MOID = 2.04676 au 
 Jupiter MOID = 1.90232 au 
 T_jup = 3.193 
[ 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 15.13   n/a MPCxxxxx  
diameter diameter 5.935 km 0.271 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

187374 (2005 UN335)          Discovered 2005-Oct-30 by NEAT at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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