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30181 (2000 GR88)
Classification: Main-belt Asteroid          SPK-ID: 2030181
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .145788332575586 3.4243e-08  
a 2.739883129783368 1.3947e-08 au
q 2.340440136840273 9.3517e-08 au
i 13.63355866314916 4.7431e-06 deg
node 54.32340768270983 1.6283e-05 deg
peri 247.8422377402876 2.3147e-05 deg
M 117.6367352916407 1.6592e-05 deg
tp 2458659.201346432309
(2019-Jun-24.70134643)
7.5741e-05 TDB
period 1656.519239515278
4.54
1.2648e-05
3.463e-08
d
yr
n .2173231625763316 1.6593e-09 deg/d
Q 3.139326122726463 1.598e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1351  
   data-arc span      8530 days (23.35 yr)  
   first obs. used      1997-10-29  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50134  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:32:14  

Additional Information
 Earth MOID = 1.36249 au 
 Jupiter MOID = 2.12956 au 
 T_jup = 3.294 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.23   n/a E2021B10  
diameter diameter 4.020 km 0.142 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.275   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30181 (2000 GR88)          Discovered 2000-Apr-04 by LINEAR at Socorro
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 GR88 = 1999 CF18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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