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48812 (1997 WL)
Classification: Main-belt Asteroid          SPK-ID: 2048812
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03523326498514726 4.4627e-08  
a 2.802894035533923 1.2676e-08 au
q 2.704138927254668 1.2475e-07 au
i 7.707135515836217 4.6592e-06 deg
node 62.01751684335154 3.512e-05 deg
peri 170.5109924930412 7.4108e-05 deg
M 120.9308090248953 6.5949e-05 deg
tp 2458424.738125626197
(2018-Nov-02.23812563)
0.00031384 TDB
period 1713.990640151088
4.69
1.1627e-05
3.183e-08
d
yr
n .2100361528043503 1.4248e-09 deg/d
Q 2.901649143813179 1.3123e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1602  
   data-arc span      8377 days (22.93 yr)  
   first obs. used      1997-11-18  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54539  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:35:40  

Additional Information
 Earth MOID = 1.69272 au 
 Jupiter MOID = 2.0798 au 
 T_jup = 3.310 
[ 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 13.7   n/a MPO449313  
diameter diameter 9.936 km 0.129 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48812 (1997 WL)          Discovered 1997-Nov-18 by Kobayashi, T. at Oizumi
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 WL = 1999 CN58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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