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JPL Small-Body Database Browser
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56507 (2000 GU178)
Classification: Main-belt Asteroid          SPK-ID: 2056507
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08150620592926267 4.3992e-08  
a 2.359636081773583 1.2692e-08 au
q 2.167311097374427 1.0328e-07 au
i 6.947750006278135 5.6872e-06 deg
node 39.77730251997524 4.9823e-05 deg
peri 52.7079246922109 6.7857e-05 deg
M 299.7513400524892 4.6788e-05 deg
tp 2459222.069950433633
(2021-Jan-07.56995043)
0.00017283 TDB
period 1323.93288457536
3.62
1.0682e-05
2.925e-08
d
yr
n .2719171071239512 2.1938e-09 deg/d
Q 2.551961066172739 1.3726e-08 au
  Orbit Determination Parameters
   # obs. used (total)      465  
   data-arc span      7655 days (20.96 yr)  
   first obs. used      1998-10-14  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55682  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 07:12:55  

Additional Information
 Earth MOID = 1.1915 au 
 Jupiter MOID = 2.58446 au 
 T_jup = 3.538 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456930.5 (2014-Sep-30.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08130253063051128 4.3632e-08  
q 2.167846145674829 1.0245e-07 au
tp 2456570.000136761524
(2013-Oct-04.50013676)
0.00016569 TDB
node 39.82174865453037 4.9759e-05 deg
peri 51.77949309355513 6.8071e-05 deg
i 6.95294971855247 5.6916e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      465  
   data-arc span      7655 days (20.96 yr)  
   first obs. used      1998-10-14  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55682  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 07:12:55  

Additional Information
 Jupiter MOID = 2.58446 au 
 T_jup = 3.538 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.903786492743276E-15 -4.440711495729246E-15 1.216313038392925E-12 -4.482982629088002E-15 3.658585693804774E-13 -6.913575757157411E-16
q -4.440711495729246E-15 1.049520789721468E-14 -2.211047351690842E-12 9.457229206097253E-15 -6.74304197637514E-13 1.927958332680042E-15
tp 1.216313038392925E-12 -2.211047351690842E-12 2.745194439387139E-8 -1.378294473620198E-11 7.733924691061489E-9 -1.013320144839058E-12
node -4.482982629088002E-15 9.457229206097253E-15 -1.378294473620198E-11 2.475962355764701E-9 -2.46095153379365E-9 -9.215946172230948E-11
peri 3.658585693804774E-13 -6.74304197637514E-13 7.733924691061489E-9 -2.46095153379365E-9 4.633698942404546E-9 9.127936619468248E-11
i -6.913575757157411E-16 1.927958332680042E-15 -1.013320144839058E-12 -9.215946172230948E-11 9.127936619468248E-11 3.239478197406593E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO436178  
diameter diameter 1.884 km 0.294 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.198   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56507 (2000 GU178)          Discovered 2000-Apr-04 by LONEOS at Anderson Mesa
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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