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100718 (1998 BR24)
Classification: Main-belt Asteroid          SPK-ID: 2100718
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2247517610264822 4.6053e-08  
a 2.613785748701508 1.0338e-08 au
q 2.026332798734922 1.2124e-07 au
i 3.790868191147211 5.5805e-06 deg
node 145.9462749534256 5.4766e-05 deg
peri 342.597143850293 5.6124e-05 deg
M 107.3652032607466 9.4595e-06 deg
tp 2458540.175112924860
(2019-Feb-25.67511293)
4.0322e-05 TDB
period 1543.488526208916
4.23
9.1568e-06
2.507e-08
d
yr
n .2332378854050988 1.3837e-09 deg/d
Q 3.201238698668094 1.2661e-08 au
  Orbit Determination Parameters
   # obs. used (total)      932  
   data-arc span      7789 days (21.33 yr)  
   first obs. used      1998-01-25  
   last obs. used      2019-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52321  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:09:58  

Additional Information
 Earth MOID = 1.04167 au 
 Jupiter MOID = 1.86452 au 
 T_jup = 3.369 
[ 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 15.1   n/a MPO280442  
diameter diameter 2.417 km 0.533 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.43 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
geometric albedo albedo 0.302   0.146 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100718 (1998 BR24)          Discovered 1998-Jan-28 by Kobayashi, T. at Oizumi
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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