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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 ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 79 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3296220085861726 4.633e-08  
a 1.284652350227523 1.8512e-09 au
q .8612026622105798 5.8977e-08 au
i 34.51756872691848 2.6126e-05 deg
node 293.2751012907925 8.4965e-06 deg
peri 250.2245618591681 1.6133e-05 deg
M 223.587622971704 1.3919e-05 deg
tp 2459598.024627209365
(2022-Jan-18.52462721)
2.0696e-05 TDB
period 531.8349212573478
1.46
1.1496e-06
3.147e-09
d
yr
n .6769017708519386 1.4631e-09 deg/d
Q 1.708102038244467 2.4614e-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 = .0420589 au 
 Jupiter MOID = 3.58592 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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