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154369 (2002 XX77)
Classification: Main-belt Asteroid          SPK-ID: 2154369
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1672952752191429 5.8898e-08  
a 2.312548524398627 1.4117e-08 au
q 1.925670082551736 1.3847e-07 au
i 2.159087007411247 8.2941e-06 deg
node 348.1862143904739 0.00013167 deg
peri 152.0466903741884 0.00013367 deg
M 309.5332452550003 2.5454e-05 deg
tp 2459180.568433322584
(2020-Nov-27.06843332)
9.1618e-05 TDB
period 1284.501773963447
3.52
1.1762e-05
3.22e-08
d
yr
n .2802643073735797 2.5662e-09 deg/d
Q 2.699426966245518 1.6478e-08 au
  Orbit Determination Parameters
   # obs. used (total)      345  
   data-arc span      7174 days (19.64 yr)  
   first obs. used      2000-03-11  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57814  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 13:29:08  

Additional Information
 Earth MOID = .939028 au 
 Jupiter MOID = 2.32046 au 
 T_jup = 3.564 
[ 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 16.6   n/a MPO502912  
diameter diameter 1.384 km 0.343 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.254   0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

154369 (2002 XX77)          Discovered 2002-Dec-11 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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