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24507 (2001 BH18)
Classification: Main-belt Asteroid          SPK-ID: 2024507
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1588155478523058 3.2199e-08  
a 2.662791176461392 1.0803e-08 au
q 2.23989853695539 8.4114e-08 au
i 12.06806215902737 3.3359e-06 deg
node 282.836918180588 2.2599e-05 deg
peri 332.0457624374988 2.7139e-05 deg
M 153.9024204638477 1.6063e-05 deg
tp 2458718.004393132250
(2019-Aug-22.50439313)
6.9912e-05 TDB
period 1587.099265471055
4.35
9.6586e-06
2.644e-08
d
yr
n .2268289122376672 1.3804e-09 deg/d
Q 3.085683815967394 1.2519e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1938  
   data-arc span      11540 days (31.59 yr)  
   first obs. used      1989-07-10  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40476  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:01:22  

Additional Information
 Earth MOID = 1.23187 au 
 Jupiter MOID = 2.03658 au 
 T_jup = 3.335 
[ 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 14.21   n/a E2021B10  
diameter diameter 4.440 km 0.278 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 19.0559 h n/a LCDB (Rev. 2020-October); 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.247   0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24507 (2001 BH18)          Discovered 2001-Jan-19 by LINEAR at Socorro
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 BH18 = 1989 NW1 = 1998 PD = 1999 XX181 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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