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18436 (1994 GY10)
Classification: Main-belt Asteroid          SPK-ID: 2018436
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1468703054072878 3.7713e-08  
a 2.62438772229484 1.2879e-08 au
q 2.23894309601426 9.7862e-08 au
i 8.697553064710164 4.1077e-06 deg
node 49.92085786334953 2.8641e-05 deg
peri 172.3114714669731 3.2152e-05 deg
M 45.83183638811451 1.5442e-05 deg
tp 2458802.800677521277
(2019-Nov-15.30067752)
6.6297e-05 TDB
period 1552.889033065175
4.25
1.1431e-05
3.13e-08
d
yr
n .2318259658833529 1.7065e-09 deg/d
Q 3.009832348575419 1.4771e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1397  
   data-arc span      9561 days (26.18 yr)  
   first obs. used      1994-04-14  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51448  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:22:15  

Additional Information
 Earth MOID = 1.23053 au 
 Jupiter MOID = 1.96715 au 
 T_jup = 3.372 
[ 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 14.0   n/a MPO474010  
diameter diameter 7.465 km 0.179 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.105   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18436 (1994 GY10)          Discovered 1994-Apr-14 by PCAS at Palomar
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1994 GY10 = 1998 DL9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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