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30040 Annemerrill (2000 DO112)
Classification: Main-belt Asteroid          SPK-ID: 2030040
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1777028674692951 2.717e-08  
a 2.31451419162669 8.128e-09 au
q 1.90321838297625 6.3424e-08 au
i 4.120886728310235 3.5577e-06 deg
node 147.1563505351535 4.848e-05 deg
peri 138.6598372020127 4.9754e-05 deg
M 226.8955038357015 1.2644e-05 deg
tp 2459676.030551102241
(2022-Apr-06.53055110)
4.6266e-05 TDB
period 1286.139862514457
3.52
6.7749e-06
1.855e-08
d
yr
n .2799073494978883 1.4744e-09 deg/d
Q 2.72581000027713 9.5724e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1225  
   data-arc span      9672 days (26.48 yr)  
   first obs. used      1994-09-27  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49873  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:27:11  

Additional Information
 Earth MOID = .887297 au 
 Jupiter MOID = 2.43537 au 
 T_jup = 3.557 
[ 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 15.46   n/a MPCxxxxx  
diameter diameter 5.338 km 0.232 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30040 Annemerrill           Discovered 2000 Feb. 29 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Anne Merrill (b. 1996) is a finalist in the 2014 Intel Science Talent Search, a science competition for high school seniors, for her environmental science project. She attends the Greenwich High School, Greenwich, Connecticut.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-04-15Last Updated: 2014-04-17

Alternate Designations
 2000 DO112 = 1995 YP11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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