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37670 (1994 TW12)
Classification: Main-belt Asteroid          SPK-ID: 2037670
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1147361091120067 3.567e-08  
a 2.409395913696488 1.0319e-08 au
q 2.132951201248585 8.5701e-08 au
i .6134564472912043 4.16e-06 deg
node 339.8704802046175 0.00035649 deg
peri 66.35848111488706 0.000357 deg
M 289.8335199001874 2.1024e-05 deg
tp 2459266.748929918258
(2021-Feb-21.24892992)
8.0472e-05 TDB
period 1366.031396105745
3.74
8.7753e-06
2.403e-08
d
yr
n .2635371346707556 1.693e-09 deg/d
Q 2.685840626144392 1.1502e-08 au
  Orbit Determination Parameters
   # obs. used (total)      710  
   data-arc span      9058 days (24.80 yr)  
   first obs. used      1994-10-10  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55237  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:36:11  

Additional Information
 Earth MOID = 1.14246 au 
 Jupiter MOID = 2.65195 au 
 T_jup = 3.511 
[ 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 16.0   n/a MPO324649  
diameter diameter 3.808 km 0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37670 (1994 TW12)          Discovered 1994-Oct-10 by Spacewatch at Kitt Peak
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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