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181084 (2005 QN38)
Classification: Main-belt Asteroid          SPK-ID: 2181084
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1270800893918212 5.2641e-08  
a 2.725097672313049 2.0289e-08 au
q 2.378792016514062 1.3638e-07 au
i 9.922731684775368 5.0126e-06 deg
node 151.3058056920644 2.5051e-05 deg
peri 150.454001033696 3.4093e-05 deg
M 172.3076529371295 2.7354e-05 deg
tp 2458414.045499458773
(2018-Oct-22.54549946)
0.0001193 TDB
period 1643.128528354722
4.50
1.8351e-05
5.024e-08
d
yr
n .2190942423478406 2.4469e-09 deg/d
Q 3.071403328112035 2.2868e-08 au
  Orbit Determination Parameters
   # obs. used (total)      428  
   data-arc span      7561 days (20.70 yr)  
   first obs. used      2000-06-04  
   last obs. used      2021-02-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53288  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:09  

Additional Information
 Earth MOID = 1.36739 au 
 Jupiter MOID = 2.20591 au 
 T_jup = 3.324 
[ 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 15.81   n/a MPCxxxxx  

181084 (2005 QN38)          Discovered 2005-Aug-25 by CINEOS at Campo Imperatore
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2050-Apr-25 19:21 00:02 Iris 0.0215228836818847 0.0215167016709593 0.0215290816177646 6.56664290949947 6.56664286882432 2469922.306357153 2.16116303017619 987.550693834007 55.1073932799387 -72.0635347384794 55583.8342005114 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:10 2021-Apr-13 21:29

Alternate Designations
 2005 QN38 = 2004 GV76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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