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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1815244564847777 1.2538e-07  
a 2.527124621114469 1.5113e-08 AU
q 2.068389697797365 3.1994e-07 AU
i 5.331500872594535 9.9961e-06 deg
node 279.9289524509834 6.2249e-05 deg
peri 200.9555568699511 6.4962e-05 deg
M 69.04294576372746 1.7402e-05 deg
tp 2456719.079826047005
(2014-Mar-02.57982605)
6.9564e-05 JED
period 1467.36587644705
4.02
1.3163e-05
3.604e-08
d
yr
n .2453375847008737 2.2008e-09 deg/d
Q 2.985859544431573 1.7857e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      802  
   data-arc span      12346 days (33.80 yr)  
   first obs. used      1980-08-06  
   last obs. used      2014-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55833  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 14:28:20  

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 (413)
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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