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22541 (1998 FC68)
Classification: Main-belt Asteroid          SPK-ID: 2022541
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1146010233922854 4.2715e-08  
a 2.140823631508349 8.153e-09 au
q 1.895483052435103 9.5421e-08 au
i 7.407766966548261 6.2886e-06 deg
node 11.74688993487816 2.6257e-05 deg
peri 72.91317271927774 4.0274e-05 deg
M 187.0789726782032 3.2187e-05 deg
tp 2459750.059940992554
(2022-Jun-19.55994099)
0.00010438 TDB
period 1144.115217342232
3.13
6.5357e-06
1.789e-08
d
yr
n .3146536245154369 1.7975e-09 deg/d
Q 2.386164210581594 9.0873e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1179  
   data-arc span      15678 days (42.92 yr)  
   first obs. used      1977-07-21  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53634  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:07:26  

Additional Information
 Earth MOID = .9261 au 
 Jupiter MOID = 2.79704 au 
 T_jup = 3.694 
[ 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 15.59   n/a E2021B10  
diameter diameter 2.627 km 0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.122   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22541 (1998 FC68)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FC68 = 1987 YT2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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