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48811 (1997 WH)
Classification: Outer Main-belt Asteroid          SPK-ID: 2048811
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07775133650063434 4.3456e-08  
a 3.232670825237912 2.5195e-08 au
q 2.981326348109056 1.5048e-07 au
i 10.11010278024105 5.3638e-06 deg
node 245.3615344776716 2.849e-05 deg
peri 223.9700431164952 4.7799e-05 deg
M 272.9362068226058 3.7958e-05 deg
tp 2459513.923492013799
(2021-Oct-26.42349201)
0.00022456 TDB
period 2122.954334741284
5.81
2.4819e-05
6.795e-08
d
yr
n .1695750088020013 1.9825e-09 deg/d
Q 3.484015302366768 2.7154e-08 au
  Orbit Determination Parameters
   # obs. used (total)      994  
   data-arc span      8779 days (24.04 yr)  
   first obs. used      1996-10-14  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53803  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:35:39  

Additional Information
 Earth MOID = 2.00794 au 
 Jupiter MOID = 1.76229 au 
 T_jup = 3.157 
[ 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 13.9   n/a MPO324746  

48811 (1997 WH)          Discovered 1997-Nov-18 by Kobayashi, T. at Oizumi
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 WH = 1996 TF14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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