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227002 (2004 XQ88)
Classification: Main-belt Asteroid          SPK-ID: 2227002
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1425990096828356 4.9249e-08  
a 3.079794422798111 2.4084e-08 au
q 2.64061878808038 1.5481e-07 au
i 1.909516216797767 5.3334e-06 deg
node 50.88610722788123 0.00014926 deg
peri 358.7376702905221 0.00015062 deg
M 8.086348752902227 1.8042e-05 deg
tp 2459156.156396096956
(2020-Nov-02.65639610)
9.8983e-05 TDB
period 1974.153959086483
5.40
2.3157e-05
6.34e-08
d
yr
n .1823565980469861 2.1391e-09 deg/d
Q 3.518970057515842 2.7518e-08 au
  Orbit Determination Parameters
   # obs. used (total)      334  
   data-arc span      8155 days (22.33 yr)  
   first obs. used      1998-09-19  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .474  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:03  

Additional Information
 Earth MOID = 1.65014 au 
 Jupiter MOID = 1.85466 au 
 T_jup = 3.212 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO450052  
diameter diameter 4.992 km 0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227002 (2004 XQ88)          Discovered 2004-Dec-10 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2004 XQ88 = 2006 DZ177 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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