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100996 (1998 QB41)
Classification: Main-belt Asteroid          SPK-ID: 2100996
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1399768125423358 5.0272e-08  
a 2.512941887072365 9.958e-09 au
q 2.161188291615853 1.2554e-07 au
i 3.818726534129379 5.0472e-06 deg
node 182.8490427746087 4.7277e-05 deg
peri 178.6274528292965 4.8876e-05 deg
M 199.4133134128355 1.2305e-05 deg
tp 2459849.551460639310
(2022-Sep-27.05146064)
5.1425e-05 TDB
period 1455.030493473223
3.98
8.6488e-06
2.368e-08
d
yr
n .2474174951073801 1.4707e-09 deg/d
Q 2.864695482528878 1.1352e-08 au
  Orbit Determination Parameters
   # obs. used (total)      937  
   data-arc span      9678 days (26.50 yr)  
   first obs. used      1994-08-12  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56382  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:43  

Additional Information
 Earth MOID = 1.1566 au 
 Jupiter MOID = 2.58941 au 
 T_jup = 3.444 
[ 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 15.86   n/a MPCxxxxx  
diameter diameter 1.732 km 0.317 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.309   0.129 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100996 (1998 QB41)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 QB41 = 1994 PD33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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