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39841 (1998 BU24)
Classification: Main-belt Asteroid          SPK-ID: 2039841
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .156744137058335 3.2146e-08  
a 2.453488601853417 7.4476e-09 au
q 2.068918648173443 7.8605e-08 au
i 3.387358555515421 3.2762e-06 deg
node 65.39768102977892 6.2237e-05 deg
peri 30.44522127217114 6.3145e-05 deg
M 65.86454241883857 1.0676e-05 deg
tp 2459139.683056938451
(2020-Oct-17.18305694)
4.1494e-05 TDB
period 1403.700627178638
3.84
6.3914e-06
1.75e-08
d
yr
n .2564649420464964 1.1678e-09 deg/d
Q 2.838058555533391 8.615e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1057  
   data-arc span      10058 days (27.54 yr)  
   first obs. used      1993-12-16  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53134  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 20:45:01  

Additional Information
 Earth MOID = 1.08666 au 
 Jupiter MOID = 2.33015 au 
 T_jup = 3.475 
[ 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 15.65   n/a MPCxxxxx  
diameter diameter 2.127 km 0.359 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.246   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39841 (1998 BU24)          Discovered 1998-Jan-28 by Kobayashi, T. at Oizumi
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 BU24 = 2000 QG99 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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