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100999 (1998 QC43)
Classification: Main-belt Asteroid          SPK-ID: 2100999
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1895166354356238 4.3185e-08  
a 2.296982491979576 8.404e-09 au
q 1.861666098445072 9.9909e-08 au
i 4.168082603452085 4.7784e-06 deg
node 141.8328182051423 6.6797e-05 deg
peri 265.1989831458727 6.8901e-05 deg
M 41.21115488710498 1.3889e-05 deg
tp 2458854.938259881989
(2020-Jan-06.43825988)
4.9081e-05 TDB
period 1271.554427097131
3.48
6.9784e-06
1.911e-08
d
yr
n .2831180422389425 1.5538e-09 deg/d
Q 2.73229888551408 9.9967e-09 au
  Orbit Determination Parameters
   # obs. used (total)      877  
   data-arc span      7834 days (21.45 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53322  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:14:30  

Additional Information
 Earth MOID = .876883 au 
 Jupiter MOID = 2.65915 au 
 T_jup = 3.567 
[ 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 15.7   n/a MPO453463  
diameter diameter 1.896 km 0.387 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.340   0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100999 (1998 QC43)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 QC43 = 1998 RT25 = 2000 GY184 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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