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357022 (1999 YG3)
Classification: Apollo [NEO, PHA]          SPK-ID: 2357022
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 79 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3294740511140143 4.632e-08  
a 1.284772776270133 1.8547e-09 au
q .861473484911413 5.8965e-08 au
i 34.51886650990016 2.6127e-05 deg
node 293.2780804210953 8.4957e-06 deg
peri 250.2266614028829 1.6142e-05 deg
M 90.92291378547178 1.3849e-05 deg
tp 2459066.158943495578
(2020-Aug-04.65894350)
2.0387e-05 TDB
period 531.9097060142789
1.46
1.1518e-06
3.153e-09
d
yr
n .6768066006871023 1.4655e-09 deg/d
Q 1.708072067628852 2.4657e-09 au
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      7164 days (19.61 yr)  
   first obs. used      1999-12-20  
   last obs. used      2019-08-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56236  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:19:06  

Additional Information
 Earth MOID = .0418666 au 
 Jupiter MOID = 3.58629 au 
 T_jup = 4.823 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456084.5 (2012-Jun-06.0) TDB
Reference: JPL 79 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3295011951090384 4.6336e-08  
q .8613380700653414 5.8967e-08 au
tp 2455874.833081746528
(2011-Nov-09.33308175)
1.9469e-05 TDB
node 293.3057751484304 8.5055e-06 deg
peri 250.2273673159089 1.6152e-05 deg
i 34.51740030155158 2.6125e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      7164 days (19.61 yr)  
   first obs. used      1999-12-20  
   last obs. used      2019-08-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56236  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:19:06  

Additional Information
 Jupiter MOID = 3.58629 au 
 T_jup = 4.823 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.146981175847564E-15 -2.731742277875327E-15 -2.197245257133158E-13 2.945891411024968E-16 -6.163404906198559E-14 -8.651622624515474E-14
q -2.731742277875327E-15 3.477132903991179E-15 2.817972133380156E-13 -1.544286674211572E-15 7.879027576472819E-14 1.08596809205014E-13
tp -2.197245257133158E-13 2.817972133380156E-13 3.790419529918757E-10 -4.901693747246271E-11 2.757006538245403E-10 2.124873363105132E-10
node 2.945891411024968E-16 -1.544286674211572E-15 -4.901693747246271E-11 7.234282364785727E-11 -8.280886550747757E-11 -1.179692531083584E-10
peri -6.163404906198559E-14 7.879027576472819E-14 2.757006538245403E-10 -8.280886550747757E-11 2.608957308528558E-10 2.122980923979579E-10
i -8.651622624515474E-14 1.08596809205014E-13 2.124873363105132E-10 -1.179692531083584E-10 2.122980923979579E-10 6.825285503839781E-10

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 19.0   n/a MPO437508  
diameter diameter 0.432 km 0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.217   0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
SMASSII spectral type spec_B S   n/a Binzel et al. (2001) Icarus 151, 139-149  

357022 (1999 YG3)          Discovered 1999-Dec-20 by LINEAR at Socorro
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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