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30024 Neildavey (2000 DM21)
Classification: Main-belt Asteroid          SPK-ID: 2030024
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1598142970861762 3.3715e-08  
a 2.250783373028578 8.4752e-09 au
q 1.891076010374763 7.7692e-08 au
i 3.201178692295935 3.7953e-06 deg
node 167.6017292258758 6.5039e-05 deg
peri 92.7722826386088 6.6218e-05 deg
M 322.9164532830527 1.4734e-05 deg
tp 2459327.550897543779
(2021-Apr-23.05089754)
5.0868e-05 TDB
period 1233.385885791173
3.38
6.9663e-06
1.907e-08
d
yr
n .291879454878854 1.6486e-09 deg/d
Q 2.610490735682394 9.8296e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1082  
   data-arc span      10452 days (28.62 yr)  
   first obs. used      1991-10-04  
   last obs. used      2020-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57505  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:30:55  

Additional Information
 Earth MOID = .877383 au 
 Jupiter MOID = 2.44977 au 
 T_jup = 3.608 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.75   n/a E2021B10  
diameter diameter 4.405 km 0.220 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30024 Neildavey           Discovered 2000 Feb. 29 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Neil Davey (b. 1996) is a finalist in the 2014 Intel Science Talent Search, a science competition for high school seniors, for his bioengineering project. He attends the Montgomery Blair High School, Silver Spring, Maryland.
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

[ show close-approach data ]
Alternate Designations
 2000 DM21 = 1994 NM1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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