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37801 (1997 WO47)
Classification: Main-belt Asteroid          SPK-ID: 2037801
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1441767792320465 6.3894e-08  
a 2.271360618169283 1.5977e-08 AU
q 1.943883159767126 1.4228e-07 AU
i 2.391306780460506 7.9715e-06 deg
node 333.7703510169049 0.00012898 deg
peri 119.8844668503127 0.00013237 deg
M 328.2993980790818 2.668e-05 deg
tp 2457110.601331711325
(2015-Mar-29.10133171)
9.2942e-05 JED
period 1250.338385212877
3.42
1.3192e-05
3.612e-08
d
yr
n .2879220571467203 3.0379e-09 deg/d
Q 2.59883807657144 1.828e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      521  
   data-arc span      8718 days (23.87 yr)  
   first obs. used      1990-10-24  
   last obs. used      2014-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55664  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:36:46  

Additional Information
 Earth MOID = .96167 AU 
 T_jup = 3.597 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7 mag n/a MPO266135  

37801 (1997 WO47)          Discovered 1997-Nov-19 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 WO47 = 1995 DP12 = 1997 XA14 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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