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JPL Small-Body Database Browser
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22008 (1999 XM71)
Classification: Jupiter Trojan          SPK-ID: 2022008
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01041112749802762 4.8351e-08  
a 5.147316797199835 9.8075e-08 au
q 5.093727425751449 3.1088e-07 au
i 4.263200254684595 4.8794e-06 deg
node 108.6831840994864 6.5625e-05 deg
peri 286.6701206440597 0.00026955 deg
M 275.9949851949448 0.00026334 deg
tp 2459595.842357321281
(2022-Jan-16.34235732)
0.0031233 TDB
period 4265.498309442569
11.68
0.00012191
3.338e-07
d
yr
n .08439811104908072 2.4121e-09 deg/d
Q 5.200906168648221 9.9096e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1008  
   data-arc span      10396 days (28.46 yr)  
   first obs. used      1991-04-17  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55575  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:30:52  

Additional Information
 Earth MOID = 4.10104 au 
 Jupiter MOID = .00240044 au 
 T_jup = 2.994 
[ 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 11.6   n/a MPO452480  
diameter diameter 24.879 km 4.105 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.072   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

22008 (1999 XM71)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XM71 = 1996 RB27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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