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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07742303518846226 4.6292e-08  
a 3.232950921647009 3.0062e-08 au
q 2.982646048677761 1.5496e-07 au
i 10.11015069047848 5.584e-06 deg
node 245.3629407944283 3.3133e-05 deg
peri 224.0574933957151 5.2e-05 deg
M 204.9824108871393 4.0149e-05 deg
tp 2459514.772321207242
(2021-Oct-27.27232121)
0.0002397 TDB
period 2123.230257406324
5.81
2.9614e-05
8.108e-08
d
yr
n .1695529718193473 2.3649e-09 deg/d
Q 3.483255794616256 3.2389e-08 au
  Orbit Determination Parameters
   # obs. used (total)      826  
   data-arc span      8407 days (23.02 yr)  
   first obs. used      1996-10-14  
   last obs. used      2019-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57806  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:38:39  

Additional Information
 Earth MOID = 2.00944 au 
 Jupiter MOID = 1.76381 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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