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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1198015044136043 8.1232e-08  
a 3.070374034048607 4.1257e-08 au
q 2.702538605657117 2.6379e-07 au
i 7.218998977137977 5.7325e-06 deg
node 84.52713038614486 5.2076e-05 deg
peri 98.32599636284444 5.7337e-05 deg
M 303.5769119875526 2.5299e-05 deg
tp 2459508.492190246868
(2021-Oct-20.99219025)
0.00014055 TDB
period 1965.103158912748
5.38
3.9608e-05
1.084e-07
d
yr
n .1831964893889747 3.6925e-09 deg/d
Q 3.438209462440097 4.62e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      5370 days (14.70 yr)  
   first obs. used      2006-05-06  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59547  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 20:10:16  

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 16.4   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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1917-Sep-13 12:26 00:06 Jupiter 1.83236780006855 1.83236432976067 1.83237127038059 3.02258371535807 2.86557164550432 2421485.018324128 6.26759978151505 241.163840036595 40.6969548362697 -61.8439319169421 911092.865419987 T 14 CATAB v2.0f-lin.ifort 2021-Feb-24 20:10:17 2021-Feb-24 20:10
1927-Apr-01 07:19 00:06 Jupiter 1.64457781263357 1.64457594234429 1.64457968296231 1.69557284900896 1.35826665600677 2424971.804653757 6.0231955635202 598.321563599861 73.5190064328765 68.5591791938108 1253516.46376316 T 14 CATAB v2.0f-lin.ifort 2021-Feb-24 20:10:17 2021-Feb-24 20:10
1976-Nov-26 20:36 00:03 Jupiter 1.79035677214194 1.79035526442697 1.79035827985741 2.84993837389814 2.67879514980286 2443109.358022986 2.59365798602966 130.358181266492 31.9348103886859 -73.3183737319214 1097701.96869704 T 14 CATAB v2.0f-lin.ifort 2021-Feb-24 20:10:17 2021-Feb-24 20:10
1986-Jun-11 04:33 00:02 Jupiter 1.67098262998977 1.67098162835176 1.67098363162798 1.80235161006429 1.49488114106236 2446592.689336895 2.02659721915632 196.927270253296 49.097664690636 66.5554724688798 1265607.03504521 T 14 CATAB v2.0f-lin.ifort 2021-Feb-24 20:10:17 2021-Feb-24 20:10
2036-Feb-05 06:51 00:01 Jupiter 1.74758010095492 1.7475792442261 1.74758095768394 2.67574005558257 2.48801500672382 2464728.785082905 1.29166026336856 117.892181349133 18.201254235653 -82.2976353802221 1338582.65211166 T 14 CATAB v2.0f-lin.ifort 2021-Feb-24 20:10:17 2021-Feb-24 20:10
2045-Aug-17 02:59 00:02 Jupiter 1.70346993637786 1.70346899911624 1.70347087363987 1.93993094299217 1.66399063460466 2468209.623970541 2.12005327266306 162.28712556619 33.8345646277536 79.3701588725158 1424427.6349852 T 14 CATAB v2.0f-lin.ifort 2021-Feb-24 20:10:17 2021-Feb-24 20:10
2095-Apr-13 19:01 00:05 Jupiter 1.70707338075168 1.70707114818254 1.70707561332246 2.51219800014974 2.30624603446967 2486346.292318722 5.12723438040539 192.876479317605 20.0733402546606 -79.5404085482804 749085.934007449 T 14 CATAB v2.0f-lin.ifort 2021-Feb-24 20:10:17 2021-Feb-24 20:10
2104-Oct-23 11:36 00:06 Jupiter 1.74012708839308 1.74012458788415 1.74012958891784 2.10044922605739 1.85428394742901 2489825.983313952 6.03086334506225 360.989069773726 22.6732857593182 83.9918257194004 1389509.71685433 T 14 CATAB v2.0f-lin.ifort 2021-Feb-24 20:10:17 2021-Feb-24 20:10
2154-Jun-22 21:31 00:09 Jupiter 1.67163809691441 1.67163478320311 1.67164141062675 2.37048701435855 2.14611381505781 2507965.396755057 8.78512123827078 253.481502104702 19.9582162869998 -84.2950513657926 568975.640163075 T 14 CATAB v2.0f-lin.ifort 2021-Feb-24 20:10:17 2021-Feb-24 20:10
2164-Jan-01 20:31 00:10 Jupiter 1.77795327114001 1.77794894773767 1.77795759457551 2.27000688571241 2.04942064671539 2511445.354828695 9.62509862744166 506.204006238776 20.800809192126 -89.6807371635121 1396145.6723066 T 14 CATAB v2.0f-lin.ifort 2021-Feb-24 20:10:17 2021-Feb-24 20:10

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