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46057 (2001 DT87)
Classification: Main-belt Asteroid          SPK-ID: 2046057
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1702994851638143 4.5779e-08  
a 2.542515257696869 1.2211e-08 au
q 2.109526218289949 1.1673e-07 au
i 7.065242774194364 3.7493e-06 deg
node 160.2552920985118 4.0156e-05 deg
peri 91.6284048761642 4.142e-05 deg
M 227.4053671424152 1.3492e-05 deg
tp 2459745.902623870817
(2022-Jun-15.40262387)
5.7193e-05 TDB
period 1480.791042306977
4.05
1.0668e-05
2.921e-08
d
yr
n .2431133020896339 1.7515e-09 deg/d
Q 2.975504297103788 1.4291e-08 au
  Orbit Determination Parameters
   # obs. used (total)      954  
   data-arc span      14654 days (40.12 yr)  
   first obs. used      1981-02-02  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52612  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:37:42  

Additional Information
 Earth MOID = 1.10829 au 
 Jupiter MOID = 2.09952 au 
 T_jup = 3.414 
[ 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 14.95   n/a MPCxxxxx  

46057 (2001 DT87)          Discovered 2001-Feb-21 by LONEOS at Anderson Mesa
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 DT87 = 1981 CO1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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