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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1644316026619268 3.3195e-08  
a 2.554078930219725 1.4092e-08 au
q 2.134107638398636 8.3415e-08 au
i 13.0077532946939 5.358e-06 deg
node 348.719951829399 1.5477e-05 deg
peri 303.0718786415838 2.4588e-05 deg
M 16.35269320365406 1.8553e-05 deg
tp 2458532.776922288798
(2019-Feb-18.27692229)
7.6955e-05 TDB
period 1490.904750208663
4.08
1.2339e-05
3.378e-08
d
yr
n .2414641176437431 1.9984e-09 deg/d
Q 2.974050222040814 1.6409e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1418  
   data-arc span      8301 days (22.73 yr)  
   first obs. used      1997-03-06  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47199  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 09:11:53  

Additional Information
 Earth MOID = 1.14853 au 
 Jupiter MOID = 2.36778 au 
 T_jup = 3.384 
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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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2070-Oct-06 21:31 < 00:01 Europ 0.0488799545786581 0.0488680519932585 0.0488918573063878 6.73995770549016 6.73995767322872 2477391.396597285 0.640968539263895 607.843377138815 38.126938525535 -12.5427187064672 43260.2937721075 T 33 CATAB v2.0f-lin.ifort 2019-Dec-04 09:12:11 2019-Dec-04 09:12
2087-Feb-12 00:38 < 00:01 Europ 0.036680700621521 0.0366718174058386 0.0366895884245366 6.88296193790512 6.88296189580739 2483363.526351778 0.795574271077386 785.982799754733 39.2742557390133 -55.7999609735606 115595.832786447 T 33 CATAB v2.0f-lin.ifort 2019-Dec-04 09:12:11 2019-Dec-04 09:12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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