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JPL Small-Body Database Browser
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215176 (2000 GQ120)
Classification: Main-belt Asteroid          SPK-ID: 2215176
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2273675588277349 5.6284e-08  
a 2.634469396165645 2.2168e-08 au
q 2.035476520753086 1.5531e-07 au
i 2.469651920121696 6.1639e-06 deg
node 170.9654363811188 0.00010248 deg
peri 185.8973110127052 0.00010311 deg
M 106.3730442628978 1.3617e-05 deg
tp 2458539.004733064339
(2019-Feb-24.50473306)
5.5436e-05 TDB
period 1561.845834610432
4.28
1.9714e-05
5.397e-08
d
yr
n .2304965010133629 2.9094e-09 deg/d
Q 3.233462271578204 2.7209e-08 au
  Orbit Determination Parameters
   # obs. used (total)      394  
   data-arc span      7643 days (20.93 yr)  
   first obs. used      1997-08-11  
   last obs. used      2018-07-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55373  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 08:34:48  

Additional Information
 Earth MOID = 1.03134 au 
 Jupiter MOID = 2.21569 au 
 T_jup = 3.360 
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Orbital Elements at Epoch 2456503.5 (2013-Jul-30.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2294091138012718 5.7017e-08  
q 2.028960822821035 1.5768e-07 au
tp 2456973.323452074572
(2014-Nov-11.82345207)
4.4846e-05 TDB
node 171.0270028839457 0.00010236 deg
peri 185.1379596785967 0.00010297 deg
i 2.467811326474293 6.1827e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      394  
   data-arc span      7643 days (20.93 yr)  
   first obs. used      1997-08-11  
   last obs. used      2018-07-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55373  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 08:34:48  

Additional Information
 Jupiter MOID = 2.21569 au 
 T_jup = 3.360 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.250920881813351E-15 -8.945460831534591E-15 -1.30888102926334E-12 -1.460005922503203E-14 -2.793005819205188E-13 -2.39740405833845E-15
q -8.945460831534591E-15 2.486454652068346E-14 3.697230342971092E-12 3.858369920356145E-14 7.711595790237348E-13 6.837844012620648E-15
tp -1.30888102926334E-12 3.697230342971092E-12 2.011134757413476E-9 1.067265822550363E-11 5.092026814740096E-10 9.20206054241706E-13
node -1.460005922503203E-14 3.858369920356145E-14 1.067265822550363E-11 1.047854423281962E-8 -1.046542649133571E-8 -2.160651362208443E-10
peri -2.793005819205188E-13 7.711595790237348E-13 5.092026814740096E-10 -1.046542649133571E-8 1.060204731754904E-8 2.160728922757263E-10
i -2.39740405833845E-15 6.837844012620648E-15 9.20206054241706E-13 -2.160651362208443E-10 2.160728922757263E-10 3.822621490246735E-11

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 16.2   n/a MPO454545  
diameter diameter 3.245 km 0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215176 (2000 GQ120)          Discovered 2000-Apr-05 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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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
1946-Feb-27 20:54 00:04 Hebe 0.040090298941563 0.0400677542753219 0.0401128440041966 4.89773276459913 4.89773273293824 2431879.371080390 3.53130814359046 1141.19326696545 39.067851438851 10.0378624832634 27239.257126716 T 16 CATAB v2.0e-lin.ifort 2018-Oct-04 08:34:51 2018-Dec-17 22:20

Alternate Designations
 2000 GQ120 = 2006 VU102 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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