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182278 (2001 KG18)
Classification: Main-belt Asteroid          SPK-ID: 2182278
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2018638838224508 7.2444e-08  
a 2.315142237784929 2.1164e-08 au
q 1.847798634064263 1.6569e-07 au
i 2.712850008406773 7.9348e-06 deg
node 3.513694018131327 0.0001207 deg
peri 321.507509760104 0.0001228 deg
M 57.2537226880921 2.8447e-05 deg
tp 2458795.871474991612
(2019-Nov-08.37147499)
0.00010068 TDB
period 1286.663391380505
3.52
1.7643e-05
4.83e-08
d
yr
n .2797934583447996 3.8366e-09 deg/d
Q 2.782485841505594 2.5436e-08 au
  Orbit Determination Parameters
   # obs. used (total)      288  
   data-arc span      7153 days (19.58 yr)  
   first obs. used      2001-03-28  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53834  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:47:31  

Additional Information
 Earth MOID = .836872 au 
 Jupiter MOID = 2.55118 au 
 T_jup = 3.553 
[ 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 16.9   n/a MPO440021  
diameter diameter 2.399 km 0.372 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

182278 (2001 KG18)          Discovered 2001-May-20 by Kusnirak, P., Pravec, P. at Ondrejov
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

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Alternate Designations
 2001 KG18 = 2004 DT73 = 2006 YD31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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