Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ hide orbit diagram ]

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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .119801507240818 8.0553e-08  
a 3.070374040250686 3.742e-08 au
q 2.702538602435574 2.6325e-07 au
i 7.21899920684065 5.4742e-06 deg
node 84.5271275949073 4.7884e-05 deg
peri 98.32600113172093 5.3501e-05 deg
M 303.576908658682 2.4028e-05 deg
tp 2459508.492209351112
(2021-Oct-20.99220935)
0.00013286 TDB
period 1965.103164866938
5.38
3.5925e-05
9.836e-08
d
yr
n .1831964888338961 3.3491e-09 deg/d
Q 3.438209478065799 4.1903e-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 = 1.71634 au 
 Jupiter MOID = 1.57277 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-09 02:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin