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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1815244320381598 1.0562e-07  
a 2.527124622399636 1.4684e-08 AU
q 2.068389760628893 2.6869e-07 AU
i 5.331502562749344 9.3703e-06 deg
node 279.9289594918653 6.0414e-05 deg
peri 200.9555483129388 6.3065e-05 deg
M 69.042945786941 1.7402e-05 deg
tp 2456719.079825737712
(2014-Mar-02.57982574)
6.9561e-05 JED
period 1467.365877566392
4.02
1.2789e-05
3.501e-08
d
yr
n .2453375845137244 2.1383e-09 deg/d
Q 2.985859484170379 1.7349e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      812  
   data-arc span      12614 days (34.54 yr)  
   first obs. used      1980-08-06  
   last obs. used      2015-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .556  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 15:36:37  

Additional Information
 Earth MOID = 1.08546 AU 
 T_jup = 3.424 
[ 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 14.0 mag n/a MPO244454  

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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