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277145 (2005 LN38)
Classification: Main-belt Asteroid          SPK-ID: 2277145
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1772268184044261 5.5592e-08  
a 2.150823673700152 1.3939e-08 au
q 1.769640037061354 1.2152e-07 au
i 4.635996029543551 6.1205e-06 deg
node 183.2077749724662 4.251e-05 deg
peri 154.628611548081 4.6151e-05 deg
M 202.9004694453468 1.3627e-05 deg
tp 2459503.280036806716
(2021-Oct-15.78003681)
4.2478e-05 TDB
period 1152.141019208517
3.15
1.1201e-05
3.067e-08
d
yr
n .3124617507736233 3.0376e-09 deg/d
Q 2.532007310338949 1.641e-08 au
  Orbit Determination Parameters
   # obs. used (total)      284  
   data-arc span      8530 days (23.35 yr)  
   first obs. used      1996-09-21  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53963  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:09:51  

Additional Information
 Earth MOID = .762076 au 
 Jupiter MOID = 2.85163 au 
 T_jup = 3.681 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457578.5 (2016-Jul-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1777031037123776 5.57e-08  
q 1.768446670660044 1.2174e-07 au
tp 2457198.020479675967
(2015-Jun-24.52047968)
5.1018e-05 TDB
node 183.2303065054338 4.2502e-05 deg
peri 154.4310655399841 4.6113e-05 deg
i 4.635959279801463 6.1224e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      284  
   data-arc span      8530 days (23.35 yr)  
   first obs. used      1996-09-21  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53963  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:09:51  

Additional Information
 Jupiter MOID = 2.85163 au 
 T_jup = 3.681 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.102503314913603E-15 -6.751810738087368E-15 9.966665081157596E-13 -2.129226413346159E-14 2.832946568548034E-13 -1.480662298863071E-14
q -6.751810738087368E-15 1.482111618962482E-14 -2.478780373648959E-12 4.254018531827481E-14 -7.12516294405339E-13 3.245661306403323E-14
tp 9.966665081157596E-13 -2.478780373648959E-12 2.602820783630681E-9 1.167203517659421E-11 9.135913963570907E-10 -8.76009527720147E-12
node -2.129226413346159E-14 4.254018531827481E-14 1.167203517659421E-11 1.806446884007309E-9 -1.794273462468403E-9 1.684063123293159E-11
peri 2.832946568548034E-13 -7.12516294405339E-13 9.135913963570907E-10 -1.794273462468403E-9 2.126422096277273E-9 -1.951355085034857E-11
i -1.480662298863071E-14 3.245661306403323E-14 -8.76009527720147E-12 1.684063123293159E-11 -1.951355085034857E-11 3.74840404091293E-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 17.7   n/a MPO455057  

277145 (2005 LN38)          Discovered 2005-Jun-11 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Alternate Designations
 2005 LN38 = 1996 SM6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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