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273987 Greggwade (2007 LQ30)
Classification: Main-belt Asteroid          SPK-ID: 2273987
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1199090479781618 8.2789e-08  
a 3.069962046985271 4.9584e-08 au
q 2.701845820602178 2.6489e-07 au
i 7.219636299659314 5.9959e-06 deg
node 84.52820806627822 5.8152e-05 deg
peri 98.40036910347604 6.3178e-05 deg
M 266.8727310242098 2.7773e-05 deg
tp 2459508.744049846050
(2021-Oct-21.24404985)
0.00015815 TDB
period 1964.707651763558
5.38
4.7599e-05
1.303e-07
d
yr
n .183233367914487 4.4392e-09 deg/d
Q 3.438078273368363 5.5529e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      4951 days (13.56 yr)  
   first obs. used      2006-05-06  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62534  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 19:58:35  

Additional Information
 Earth MOID = 1.71616 au 
 Jupiter MOID = 1.57388 au 
 T_jup = 3.208 
[ 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 16.4   n/a MPO455033  

273987 Greggwade           Discovered 2007 June 11 by D. D. Balam at Mauna Kea.
Gregg Wade (b. 1971) is a Canadian astrophysicist recognized as a leading expert in the study of magnetic fields in medium and high-mass early-type stars. He is a professor of physics at the Royal Military College (Kingston) and adjunct professor of physics at Queens University.
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 2013-11-17Last Updated: 2014-11-10

[ show close-approach data ]
Alternate Designations
 2007 LQ30 = 2008 UO69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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