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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1896082195026108 4.3113e-08  
a 2.296928686621378 8.3289e-09 au
q 1.861412128026628 9.9708e-08 au
i 4.168303230184324 4.7749e-06 deg
node 141.8321426179742 6.592e-05 deg
peri 265.1801653041143 6.7961e-05 deg
M 97.84383069051697 1.3728e-05 deg
tp 2458854.918376015934
(2020-Jan-06.41837602)
4.848e-05 TDB
period 1271.509749324661
3.48
6.9159e-06
1.893e-08
d
yr
n .2831279903211181 1.54e-09 deg/d
Q 2.732445245216128 9.9081e-09 au
  Orbit Determination Parameters
   # obs. used (total)      911  
   data-arc span      8189 days (22.42 yr)  
   first obs. used      1998-08-17  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53907  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:26:46  

Additional Information
 Earth MOID = .875723 au 
 Jupiter MOID = 2.65993 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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