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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 78 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3294767368275272 4.6313e-08  
a 1.284801099252881 1.8521e-09 au
q .8614890255986217 5.8961e-08 au
i 34.51766902215144 2.6126e-05 deg
node 293.2790974409575 8.4965e-06 deg
peri 250.24209681231 1.6144e-05 deg
M 44.80395365177834 1.3639e-05 deg
tp 2458534.298761451315
(2019-Feb-19.79876145)
2.0124e-05 TDB
period 531.9272951390649
1.46
1.1502e-06
3.149e-09
d
yr
n .6767842208696643 1.4634e-09 deg/d
Q 1.70811317290714 2.4623e-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 = .0422662 au 
 Jupiter MOID = 3.58851 au 
 T_jup = 4.823 
[ 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 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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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