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85448 (1997 GR11)
Classification: Main-belt Asteroid          SPK-ID: 2085448
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1747174345269144 2.9085e-08  
a 2.24355262792005 6.9979e-09 au
q 1.851564868543741 6.4457e-08 au
i 3.869553067130052 3.584e-06 deg
node 229.3209221699867 4.9094e-05 deg
peri 84.94243989671344 5.0287e-05 deg
M 336.7371138728808 1.2591e-05 deg
tp 2459475.816567789413
(2021-Sep-18.31656779)
4.3128e-05 TDB
period 1227.447198432585
3.36
5.7428e-06
1.572e-08
d
yr
n .2932916384995702 1.3722e-09 deg/d
Q 2.635540387296357 8.2206e-09 au
  Orbit Determination Parameters
   # obs. used (total)      903  
   data-arc span      8891 days (24.34 yr)  
   first obs. used      1997-04-03  
   last obs. used      2021-08-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54698  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:54:01  

Additional Information
 Earth MOID = .842072 au 
 Jupiter MOID = 2.63977 au 
 T_jup = 3.609 
[ 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 16.26   n/a E2021B10  
diameter diameter 2.274 km 0.655 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.124   0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85448 (1997 GR11)          Discovered 1997-Apr-03 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1997 GR11 = 1998 VH23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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