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JPL Small-Body Database Browser
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27529 (2000 HJ64)
Classification: Main-belt Asteroid          SPK-ID: 2027529
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1295129311773279 4.0932e-08  
a 2.362426744413483 7.9429e-09 au
q 2.056461932052781 9.928e-08 au
i 6.270466582831579 4.7918e-06 deg
node 329.1268124291166 3.2344e-05 deg
peri 42.94604539357189 3.6244e-05 deg
M 286.2661902083482 1.6441e-05 deg
tp 2458872.144005793294
(2020-Jan-23.64400579)
6.1042e-05 TDB
period 1326.282235543155
3.63
6.6888e-06
1.831e-08
d
yr
n .2714354383647222 1.3689e-09 deg/d
Q 2.668391556774186 8.9716e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1393  
   data-arc span      23803 days (65.17 yr)  
   first obs. used      1954-10-06  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53601  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:39:16  

Additional Information
 Earth MOID = 1.0599 au 
 Jupiter MOID = 2.80581 au 
 T_jup = 3.531 
[ 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 14.5   n/a MPO502364  
diameter diameter 2.810 km 0.674 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.1290 h n/a LCDB (Rev. 2019-January); 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:
[Galad, A. (2007) Earth, Moon, and Planets 100, 77-82.]
geometric albedo albedo 0.426   0.217 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27529 (2000 HJ64)          Discovered 2000-Apr-26 by LONEOS at Anderson Mesa
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 HJ64 = 1985 DS2 = 1998 XE48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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