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22035 (1999 XR170)
Classification: Jupiter Trojan          SPK-ID: 2022035
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1005107742934269 5.7735e-08  
a 5.215132648657108 1.372e-07 au
q 4.690955628097652 4.0295e-07 au
i 16.45281649718412 7.0582e-06 deg
node 286.5273224160321 2.385e-05 deg
peri 127.5940746874766 5.17e-05 deg
M 298.6154002161626 4.7356e-05 deg
tp 2459942.242892904349
(2022-Dec-28.74289290)
0.00058579 TDB
period 4350.072206805756
11.91
0.00017166
4.7e-07
d
yr
n .0827572469801247 3.2658e-09 deg/d
Q 5.739309669216565 1.5099e-07 au
  Orbit Determination Parameters
   # obs. used (total)      673  
   data-arc span      11644 days (31.88 yr)  
   first obs. used      1989-03-02  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51309  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:58:18  

Additional Information
 Earth MOID = 3.73218 au 
 Jupiter MOID = .317732 au 
 T_jup = 2.908 
[ 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 11.87   n/a E2021B10  
diameter diameter 23.739 km 4.043 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.079   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

22035 (1999 XR170)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XR170 = 1989 EW2 = 1996 RA9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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