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JPL Small-Body Database Browser
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26999 (1998 BQ41)
Classification: Main-belt Asteroid          SPK-ID: 2026999
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04641649861201597 4.2146e-08  
a 2.978895400195471 1.7758e-08 au
q 2.840625505986957 1.2392e-07 au
i 12.5541682759783 4.8159e-06 deg
node 150.1201755984794 2.2027e-05 deg
peri 342.3236992675046 6.4971e-05 deg
M 125.1046030650294 5.9093e-05 deg
tp 2458347.892446502157
(2018-Aug-17.39244650)
0.00030908 TDB
period 1877.938249299288
5.14
1.6792e-05
4.597e-08
d
yr
n .1916995940278261 1.7141e-09 deg/d
Q 3.117165294403985 1.8582e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1300  
   data-arc span      8932 days (24.45 yr)  
   first obs. used      1995-07-23  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51358  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 02:43:13  

Additional Information
 Earth MOID = 1.85601 au 
 Jupiter MOID = 1.89208 au 
 T_jup = 3.222 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4   n/a MPO459045  
diameter diameter 5.778 km 0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.231   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26999 (1998 BQ41)          Discovered 1998-Jan-28 by JPL/GEODSS NEAT at Haleakala
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 BQ41 = 1999 LW4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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