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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1815244191636348 1.0475e-07  
a 2.527124623016018 1.4666e-08 AU
q 2.068389793668916 2.6644e-07 AU
i 5.331502962667018 9.3327e-06 deg
node 279.9289618980761 6.0196e-05 deg
peri 200.9555448272271 6.2848e-05 deg
M 69.04294602424484 1.74e-05 deg
tp 2456719.079824667498
(2014-Mar-02.57982467)
6.9554e-05 JED
period 1467.365878103242
4.02
1.2774e-05
3.497e-08
d
yr
n .2453375844239652 2.1357e-09 deg/d
Q 2.98585945236312 1.7328e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      815  
   data-arc span      12698 days (34.77 yr)  
   first obs. used      1980-08-06  
   last obs. used      2015-05-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55688  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 17:03:15  

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 14.1 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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