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152919 (2000 EU21)
Classification: Main-belt Asteroid          SPK-ID: 2152919
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2373750184678531 4.0843e-08  
a 2.269247249265641 1.6858e-08 au
q 1.730584641563084 9.1356e-08 au
i 21.0685926288414 7.3123e-06 deg
node 150.120941352587 1.4425e-05 deg
peri 118.0670353179054 2.2152e-05 deg
M 303.7212072280685 2.0179e-05 deg
tp 2459395.692634384998
(2021-Jun-30.19263439)
7.1346e-05 TDB
period 1248.593740511889
3.42
1.3913e-05
3.809e-08
d
yr
n .288324367101512 3.2128e-09 deg/d
Q 2.807909856968197 2.0859e-08 au
  Orbit Determination Parameters
   # obs. used (total)      496  
   data-arc span      8604 days (23.56 yr)  
   first obs. used      1997-08-24  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56427  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:29:15  

Additional Information
 Earth MOID = .799162 au 
 Jupiter MOID = 2.61648 au 
 T_jup = 3.490 
[ 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 15.9   n/a MPO453989  
diameter diameter 2.002 km 0.400 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 10.9527 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 0.231   0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

152919 (2000 EU21)          Discovered 2000-Mar-05 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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