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187931 (2001 DN107)
Classification: Main-belt Asteroid          SPK-ID: 2187931
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02294754107586885 5.4168e-08  
a 2.21296778334116 1.3076e-08 au
q 2.162185614233364 1.2021e-07 au
i 7.024509390796866 4.4681e-06 deg
node 118.5572847161993 4.5726e-05 deg
peri 90.38134006842327 0.00012185 deg
M 308.6847523968891 0.00011646 deg
tp 2459371.897700898674
(2021-Jun-06.39770090)
0.00038954 TDB
period 1202.433491128318
3.29
1.0657e-05
2.918e-08
d
yr
n .2993928584459085 2.6535e-09 deg/d
Q 2.263749952448955 1.3376e-08 au
  Orbit Determination Parameters
   # obs. used (total)      366  
   data-arc span      7310 days (20.01 yr)  
   first obs. used      2001-01-19  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54848  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:57:33  

Additional Information
 Earth MOID = 1.16585 au 
 Jupiter MOID = 2.71076 au 
 T_jup = 3.645 
[ 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 16.7   n/a MPO449936  
rotation period rot_per 4.95 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

187931 (2001 DN107)          Discovered 2001-Feb-20 by LINEAR at Socorro
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

Alternate Designations
 2001 DN107 = 2001 DZ13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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