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22010 (1999 XM78)
Classification: Jupiter Trojan          SPK-ID: 2022010
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .017066569283416 5.0616e-08  
a 5.093675236744462 8.6838e-08 au
q 5.006743675409343 3.1486e-07 au
i 1.405346451479508 3.7931e-06 deg
node 65.32928203893428 0.00020624 deg
peri 316.5280936421534 0.0002402 deg
M 343.624238539445 0.0001219 deg
tp 2459391.504811363493
(2021-Jun-26.00481136)
0.0014209 TDB
period 4198.994486851009
11.50
0.00010738
2.94e-07
d
yr
n .08573481130478409 2.1924e-09 deg/d
Q 5.180606798079582 8.832e-08 au
  Orbit Determination Parameters
   # obs. used (total)      942  
   data-arc span      10881 days (29.79 yr)  
   first obs. used      1991-03-13  
   last obs. used      2020-12-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55345  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:57:37  

Additional Information
 Earth MOID = 4.00728 au 
 Jupiter MOID = .0424633 au 
 T_jup = 2.999 
[ 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 12.3   n/a MPO492981  

22010 (1999 XM78)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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