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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1196967183893097 8.0554e-08  
a 3.070252728823241 3.7529e-08 au
q 2.702753552557276 2.633e-07 au
i 7.218579084179878 5.4739e-06 deg
node 84.52297165319204 4.7891e-05 deg
peri 98.29542289056512 5.3515e-05 deg
M 339.5056132169614 2.4232e-05 deg
tp 2459508.364437556343
(2021-Oct-20.86443756)
0.00013291 TDB
period 1964.98670326707
5.38
3.6029e-05
9.864e-08
d
yr
n .1832073465949916 3.3592e-09 deg/d
Q 3.437751905089206 4.2021e-08 au
  Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      5394 days (14.77 yr)  
   first obs. used      2006-05-06  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58246  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:46:36  

Additional Information
 Earth MOID = 1.71788 au 
 Jupiter MOID = 1.57233 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 16.50   n/a MPCxxxxx  

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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