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JPL Small-Body Database Browser
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26636 (2000 HX57)
Classification: Main-belt Asteroid          SPK-ID: 2026636
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1283502484015018 4.0449e-08  
a 2.690069511893979 1.3142e-08 au
q 2.344798421825081 1.102e-07 au
i 14.03709072779503 4.1625e-06 deg
node 53.39082441666298 1.8433e-05 deg
peri 82.4237876311074 2.4633e-05 deg
M 271.4859759751028 1.6463e-05 deg
tp 2459396.735392360846
(2021-Jul-01.23539236)
7.4446e-05 TDB
period 1611.549613988643
4.41
1.1809e-05
3.233e-08
d
yr
n .223387475554654 1.637e-09 deg/d
Q 3.035340601962878 1.4828e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1680  
   data-arc span      15204 days (41.63 yr)  
   first obs. used      1978-06-09  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49624  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:48:56  

Additional Information
 Earth MOID = 1.40784 au 
 Jupiter MOID = 2.147 au 
 T_jup = 3.318 
[ 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 13.0   n/a MPO412375  
diameter diameter 6.982 km 0.153 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.274 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:
[Oey, J. (2014) Minor Planet Bull. 41, 276-281.]
geometric albedo albedo 0.208   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26636 (2000 HX57)          Discovered 2000-Apr-24 by LONEOS at Anderson Mesa
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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