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180995 (2005 NG22)
Classification: Main-belt Asteroid          SPK-ID: 2180995
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1442709729098156 4.4907e-08  
a 2.716206622933759 1.8186e-08 au
q 2.324336850819021 1.227e-07 au
i 5.287505979963792 5.1332e-06 deg
node 157.9829645212693 5.1339e-05 deg
peri 138.3040259054716 5.5019e-05 deg
M 169.6473402129525 1.991e-05 deg
tp 2458429.974196799498
(2018-Nov-07.47419680)
8.7475e-05 TDB
period 1635.093652538162
4.48
1.6421e-05
4.496e-08
d
yr
n .220170874886078 2.2111e-09 deg/d
Q 3.108076395048497 2.0809e-08 au
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      7051 days (19.30 yr)  
   first obs. used      2001-10-25  
   last obs. used      2021-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55776  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:28:48  

Additional Information
 Earth MOID = 1.30985 au 
 Jupiter MOID = 2.10605 au 
 T_jup = 3.339 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457432.5 (2016-Feb-14.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1459179784753062 4.4662e-08  
q 2.31801495770859 1.2205e-07 au
tp 2456796.859330757315
(2014-May-19.35933076)
8.2362e-05 TDB
node 158.0527315428493 5.1294e-05 deg
peri 138.3572289425586 5.4912e-05 deg
i 5.290881498637425 5.1383e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      7051 days (19.30 yr)  
   first obs. used      2001-10-25  
   last obs. used      2021-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55776  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:28:48  

Additional Information
 Jupiter MOID = 2.10605 au 
 T_jup = 3.339 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.994682744522902E-15 -5.407032992220004E-15 -6.990075580542487E-14 -1.177671074570825E-14 -9.307413030312649E-14 -1.662366471691374E-15
q -5.407032992220004E-15 1.489564868717648E-14 3.850129720842442E-13 3.49430759873553E-14 3.181852949625274E-13 4.857515034440886E-15
tp -6.990075580542487E-14 3.850129720842442E-13 6.783478844341424E-9 2.340921754669474E-11 1.628778058258581E-9 -3.420110933642083E-12
node -1.177671074570825E-14 3.49430759873553E-14 2.340921754669474E-11 2.631075602576368E-9 -2.612958831639482E-9 4.200390457956575E-11
peri -9.307413030312649E-14 3.181852949625274E-13 1.628778058258581E-9 -2.612958831639482E-9 3.015323961020528E-9 -4.25441674015648E-11
i -1.662366471691374E-15 4.857515034440886E-15 -3.420110933642083E-12 4.200390457956575E-11 -4.25441674015648E-11 2.640166833406225E-11

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 17.01   n/a MPCxxxxx  

180995 (2005 NG22)          Discovered 2005-Jul-01 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2005 NG22 = 2006 WZ120 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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