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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 ]

[ show orbit diagram ]
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1928-Mar-31 00:04 00:02 Jupiter 1.99191819608409 1.99191763665805 1.99191875551727 2.94089038456116 2.79255745083249 2425336.502637065 1.78944591461674 242.458488214255 11.9824920772139 -84.5740575843953 2910676.80406439 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 18:22:29 2020-Jun-23 18:22
1987-Oct-16 04:48 < 00:01 Jupiter 1.96728548360827 1.96728515425107 1.96728581296592 2.94810751377379 2.79825481917518 2447084.700183357 0.576160679183151 133.811814510053 10.0579623997069 -85.8194112307717 3008428.60639352 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 18:22:29 2020-Jun-23 18:22
2047-May-01 07:28 < 00:01 Jupiter 1.95570445268123 1.95570411932236 1.95570478604088 2.96204458619465 2.81202792599545 2468831.810909411 0.663857250656411 134.387674168503 8.50097816322888 -85.2279018741565 3011430.80607606 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 18:22:29 2020-Jun-23 18:22
2106-Nov-14 14:01 00:02 Jupiter 1.9576102432431 1.95760993577947 1.95761055070712 2.97684304804663 2.82776072829374 2490578.084063729 1.8579825930572 120.387311241496 8.60954185431102 -85.380525750504 3141949.87889511 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 18:22:29 2020-Jun-23 18:22
2166-May-29 17:59 00:03 Jupiter 1.97305316844918 1.97305258372577 1.97305375317383 2.99058697105506 2.84341691748276 2512324.249639026 3.06492220661303 123.398642447867 16.0137531176566 -79.6771884454171 2950572.8741651 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 18:22:29 2020-Jun-23 18:22

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