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164215 Doloreshill (2004 MF6)
Classification: Amor [NEO]          SPK-ID: 2164215
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3961117477553879 1.7603e-07  
a 2.115617286584 6.5979e-08 au
q 1.2775964256137 4.0511e-07 au
i 4.877289792909387 7.4973e-06 deg
node 236.0034259765706 0.00014983 deg
peri 76.61740934096345 0.00016534 deg
M 180.2879183235106 0.00010169 deg
tp 2459957.585262126737
(2023-Jan-13.08526213)
0.00034326 TDB
period 1123.968363625329
3.08
5.2579e-05
1.44e-07
d
yr
n .320293712572861 1.4983e-08 deg/d
Q 2.9536381475543 9.2114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      208  
   data-arc span      3134 days (8.58 yr)  
   first obs. used      2001-10-20  
   last obs. used      2010-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50429  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:17:58  

Additional Information
 Earth MOID = .278986 au 
 Jupiter MOID = 2.37719 au 
 T_jup = 3.626 
[ 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 20.0   n/a MPO177942  

164215 Doloreshill           Discovered 2004 June 25 by the Catalina Sky Survey.
Dolores H. Hill (b. 1956) is a meteoriticist with the University of Arizona's Lunar and Planetary Laboratory, where she has, since 1981, classified meteorites using microprobe analysis, neutron activation methods and inductively coupled plasma mass spectrometry.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20071124/MPCPages.arcLast Updated: 2007-11-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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