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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 78 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3294630701365664 4.6315e-08  
a 1.284745431472254 1.8471e-09 au
q .8614692572754776 5.8958e-08 au
i 34.51918849224988 2.6127e-05 deg
node 293.2784217051176 8.4957e-06 deg
peri 250.2187179728472 1.6145e-05 deg
M 315.5665246531717 1.3775e-05 deg
tp 2459066.149561842339
(2020-Aug-04.64956184)
2.0389e-05 TDB
period 531.8927245453266
1.46
1.147e-06
3.14e-09
d
yr
n .6768282087477994 1.4596e-09 deg/d
Q 1.708021605669031 2.4556e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54871  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:42:26  

Additional Information
 Earth MOID = .0419122 au 
 Jupiter MOID = 3.58697 au 
 T_jup = 4.823 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456084.5 (2012-Jun-06.0) TDB
Reference: JPL 78 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3295011914884821 4.6335e-08  
q .861338074902526 5.8967e-08 au
tp 2455874.833080076880
(2011-Nov-09.33308008)
1.947e-05 TDB
node 293.3057764419562 8.5055e-06 deg
peri 250.2273659845891 1.6152e-05 deg
i 34.51739803911207 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54871  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:42:26  

Additional Information
 Jupiter MOID = 3.58697 au 
 T_jup = 4.823 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.146967672129096E-15 -2.731716493554509E-15 -2.197575064260549E-13 2.95840210239967E-16 -6.163622457409943E-14 -8.652159863419335E-14
q -2.731716493554509E-15 3.477089221332418E-15 2.818348003007125E-13 -1.545141245369581E-15 7.879057703945718E-14 1.086001802271265E-13
tp -2.197575064260549E-13 2.818348003007125E-13 3.790949173050973E-10 -4.902322125541194E-11 2.757193016052936E-10 2.125127242859676E-10
node 2.95840210239967E-16 -1.545141245369581E-15 -4.902322125541194E-11 7.234333942612981E-11 -8.281040843149119E-11 -1.17971427473383E-10
peri -6.163622457409943E-14 7.879057703945718E-14 2.757193016052936E-10 -8.281040843149119E-11 2.609002637155119E-10 2.123042596223836E-10
i -8.652159863419335E-14 1.086001802271265E-13 2.125127242859676E-10 -1.17971427473383E-10 2.123042596223836E-10 6.825383170780503E-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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