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100724 (1998 BM38)
Classification: Main-belt Asteroid          SPK-ID: 2100724
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01134646953912883 3.6578e-08  
a 2.782622233697689 1.8133e-08 au
q 2.751049295284135 1.0415e-07 au
i 1.607150097237869 4.0808e-06 deg
node 109.5825010707858 0.00015248 deg
peri 114.9557571702915 0.00027595 deg
M 232.9609806432129 0.00023296 deg
tp 2459798.793707398088
(2022-Aug-07.29370740)
0.0010985 TDB
period 1695.429764444294
4.64
1.6572e-05
4.537e-08
d
yr
n .2123355432054693 2.0755e-09 deg/d
Q 2.814195172111242 1.8338e-08 au
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      8390 days (22.97 yr)  
   first obs. used      1998-01-29  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58447  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:26:02  

Additional Information
 Earth MOID = 1.73869 au 
 Jupiter MOID = 2.14376 au 
 T_jup = 3.332 
[ 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 15.6   n/a MPO506263  
diameter diameter 3.300 km 1.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.102   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100724 (1998 BM38)          Discovered 1998-Jan-29 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 BM38 = 2001 XX124 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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