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97182 (1999 WC)
Classification: Main-belt Asteroid          SPK-ID: 2097182
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .16432616845415 3.3117e-08  
a 2.554440553873197 1.3991e-08 au
q 2.134679125111318 8.3185e-08 au
i 13.00688771666174 5.3244e-06 deg
node 348.7145255843487 1.5424e-05 deg
peri 303.1587084272883 2.4494e-05 deg
M 112.8637267389215 1.8352e-05 deg
tp 2458532.986653934621
(2019-Feb-18.48665393)
7.6784e-05 TDB
period 1491.221399882198
4.08
1.2252e-05
3.354e-08
d
yr
n .2414128445504061 1.9834e-09 deg/d
Q 2.974201982635076 1.6291e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1506  
   data-arc span      8550 days (23.41 yr)  
   first obs. used      1997-03-06  
   last obs. used      2020-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46779  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:47:39  

Additional Information
 Earth MOID = 1.14974 au 
 Jupiter MOID = 2.36963 au 
 T_jup = 3.384 
[ 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 14.0   n/a MPO280419  
diameter diameter 4.369 km 0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.227   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97182 (1999 WC)          Discovered 1999-Nov-16 by McGaha, J. at Sabino Canyon
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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