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35378 (1997 WN12)
Classification: Main-belt Asteroid          SPK-ID: 2035378
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2176234812613339 2.8476e-08  
a 2.29582310413559 7.8939e-09 au
q 1.796198087853401 6.6149e-08 au
i 1.334352560590441 3.4165e-06 deg
node 270.3682860297184 0.00018519 deg
peri 359.2865082397342 0.00018541 deg
M 172.1478993090516 1.0235e-05 deg
tp 2457992.917457750206
(2017-Aug-27.41745775)
3.5488e-05 TDB
period 1270.59183462499
3.48
6.5532e-06
1.794e-08
d
yr
n .2833325307070405 1.4613e-09 deg/d
Q 2.79544812041778 9.6118e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1036  
   data-arc span      10293 days (28.18 yr)  
   first obs. used      1990-10-24  
   last obs. used      2018-12-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55138  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:46:47  

Additional Information
 Earth MOID = .779619 au 
 Jupiter MOID = 2.30675 au 
 T_jup = 3.563 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO417055  
diameter diameter 2.279 km 0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.215   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35378 (1997 WN12)          Discovered 1997-Nov-23 by Spacewatch at Kitt Peak
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 WN12 = 1999 EH13 = 2000 LO28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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