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18767 (1999 JD22)
Classification: Main-belt Asteroid          SPK-ID: 2018767
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1123298699042796 3.4795e-08  
a 2.171747803696803 5.3763e-09 au
q 1.927795655442636 7.6243e-08 au
i 5.502821448740999 4.443e-06 deg
node .8013369849967548 2.7541e-05 deg
peri 40.00193607267987 3.2395e-05 deg
M 87.38365195070045 1.6911e-05 deg
tp 2458916.747168836462
(2020-Mar-08.24716884)
5.4775e-05 TDB
period 1168.994622432402
3.20
4.3409e-06
1.188e-08
d
yr
n .3079569341824044 1.1436e-09 deg/d
Q 2.41569995195097 5.9802e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1906  
   data-arc span      14381 days (39.37 yr)  
   first obs. used      1981-10-30  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5081  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:37:30  

Additional Information
 Earth MOID = .937669 au 
 Jupiter MOID = 2.93493 au 
 T_jup = 3.674 
[ 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 14.8   n/a MPO502311  

18767 (1999 JD22)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JD22 = 1981 UO8 = 1992 CC6 = 2000 OV47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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