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101465 (1998 WL12)
Classification: Mars-crossing Asteroid          SPK-ID: 2101465
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3016970137847573 4.1961e-08  
a 2.288343471899786 9.4639e-09 au
q 1.597957079913777 9.892e-08 au
i 3.130124204057705 4.582e-06 deg
node 263.9581870893386 8.0603e-05 deg
peri 86.78727596400816 8.1085e-05 deg
M 173.5934111213469 1.0106e-05 deg
tp 2458590.807321572150
(2019-Apr-17.30732157)
3.3207e-05 TDB
period 1264.387644762603
3.46
7.8437e-06
2.147e-08
d
yr
n .2847228075117677 1.7663e-09 deg/d
Q 2.978729863885795 1.2319e-08 au
  Orbit Determination Parameters
   # obs. used (total)      569  
   data-arc span      10754 days (29.44 yr)  
   first obs. used      1991-10-05  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55462  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:55  

Additional Information
 Earth MOID = .59441 au 
 Jupiter MOID = 2.47591 au 
 T_jup = 3.536 
[ 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 16.06   n/a E2021B55  
diameter diameter 1.463 km 0.203 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.329   0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

101465 (1998 WL12)          Discovered 1998-Nov-21 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 WL12 = 1991 TC5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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