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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2018699112088549 6.9978e-08  
a 2.31560266562626 2.0226e-08 au
q 1.848152161121299 1.5846e-07 au
i 2.712760528620481 7.1301e-06 deg
node 3.50873583317828 0.00012056 deg
peri 321.5669212093377 0.00012246 deg
M 113.1452909015955 2.8416e-05 deg
tp 2458795.990737375151
(2019-Nov-08.49073738)
9.927e-05 TDB
period 1287.047241511774
3.52
1.6863e-05
4.617e-08
d
yr
n .2797100124911822 3.6648e-09 deg/d
Q 2.783053170131221 2.4309e-08 au
  Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      7222 days (19.77 yr)  
   first obs. used      2001-03-28  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53952  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:34:06  

Additional Information
 Earth MOID = .835282 au 
 Jupiter MOID = 2.55079 au 
 T_jup = 3.552 
[ 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 17.02   n/a MPCxxxxx  
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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