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9484 Wanambi (4590 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2009484
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1649280369089956 3.6096e-08  
a 3.092193575532189 1.4813e-08 au
q 2.582204159377057 1.091e-07 au
i 1.92301982004662 3.5456e-06 deg
node 89.68823897982142 0.0001194 deg
peri 246.100700026213 0.00011992 deg
M 80.27838401837451 1.0507e-05 deg
tp 2458953.611342461492
(2020-Apr-14.11134246)
5.7378e-05 TDB
period 1986.087770244222
5.44
1.4272e-05
3.907e-08
d
yr
n .1812608714446352 1.3025e-09 deg/d
Q 3.602182991687322 1.7256e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1793  
   data-arc span      24357 days (66.69 yr)  
   first obs. used      1954-06-30  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49617  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 16:04:43  

Additional Information
 Earth MOID = 1.57254 au 
 Jupiter MOID = 1.77663 au 
 T_jup = 3.203 
[ 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 13.61   n/a E2021B10  
rotation period rot_per 18.597 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

9484 Wanambi           Discovered 1960 Sept. 24 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Named for the Australian Aborigines' best known spirit, the Rainbow Snake, which is the rainbow and the revealer of truth. Wanambi is one of the rainbow's names.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990402/MPCPages.arcLast Updated: 2010-06-11

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Alternate Designations
 4590 P-L = 1954 MY = 1982 UT4 = 1998 QX46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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