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30808 (1989 YA2)
Classification: Main-belt Asteroid          SPK-ID: 2030808
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1811572706361649 8.9767e-08  
a 2.528025551059439 1.4363e-08 au
q 2.070055342131024 2.2746e-07 au
i 5.3301097650734 8.9583e-06 deg
node 279.9253606524096 5.6349e-05 deg
peri 201.0257741737636 5.8984e-05 deg
M 216.1395107255288 1.8176e-05 deg
tp 2458187.191299492817
(2018-Mar-09.69129949)
7.7413e-05 JED
period 1468.150629005918
4.02
1.2512e-05
3.426e-08
d
yr
n .2452064474091158 2.0897e-09 deg/d
Q 2.985995759987854 1.6965e-08 au
  Orbit Determination Parameters
   # obs. used (total)      853  
   data-arc span      12785 days (35.00 yr)  
   first obs. used      1980-08-06  
   last obs. used      2015-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55079  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 15:18:19  

Additional Information
 Earth MOID = 1.0856 au 
 Jupiter MOID = 2.11826 au 
 T_jup = 3.423 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1 mag n/a MPO337515  

30808 (1989 YA2)          Discovered 1989-Dec-30 by McNaught, R. H. at Siding Spring
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 YA2 = 1980 PZ1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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