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152442 (2005 US455)
Classification: Main-belt Asteroid          SPK-ID: 2152442
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06703891011864459 4.125e-08  
a 3.141468645808031 3.4176e-08 au
q 2.930868011621166 1.2576e-07 au
i 8.496495092141897 6.1125e-06 deg
node 306.4880983453811 3.144e-05 deg
peri 97.12796649752592 5.7108e-05 deg
M 251.5575425165093 4.885e-05 deg
tp 2459813.124514271315
(2022-Aug-21.62451427)
0.00027969 TDB
period 2033.749790032647
5.57
3.3188e-05
9.086e-08
d
yr
n .1770129254662251 2.8886e-09 deg/d
Q 3.352069279994895 3.6467e-08 au
  Orbit Determination Parameters
   # obs. used (total)      365  
   data-arc span      7178 days (19.65 yr)  
   first obs. used      1999-09-05  
   last obs. used      2019-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52881  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:27:09  

Additional Information
 Earth MOID = 1.95494 au 
 Jupiter MOID = 1.94015 au 
 T_jup = 3.190 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457274.5 (2015-Sep-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0697046239217682 4.0898e-08  
q 2.918062764546483 1.2402e-07 au
tp 2457791.697608195408
(2017-Feb-07.19760820)
0.00025935 TDB
node 306.5358203415078 3.1491e-05 deg
peri 98.65398815099782 5.5765e-05 deg
i 8.49386090497568 6.1094e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      365  
   data-arc span      7178 days (19.65 yr)  
   first obs. used      1999-09-05  
   last obs. used      2019-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52881  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:27:09  

Additional Information
 Jupiter MOID = 1.94015 au 
 T_jup = 3.190 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.672651729763572E-15 -4.90778649669189E-15 -4.343482274147896E-13 -5.424413704144296E-16 -1.049493159249394E-13 3.594423350457253E-16
q -4.90778649669189E-15 1.538071964467852E-14 3.239097206308005E-12 2.795032250140177E-15 6.043281587418818E-13 9.792320831048646E-16
tp -4.343482274147896E-13 3.239097206308005E-12 6.726084288142072E-8 -2.14978705751664E-11 1.195185872404409E-8 -6.877474705150299E-13
node -5.424413704144296E-16 2.795032250140177E-15 -2.14978705751664E-11 9.916820501502291E-10 -9.84218757161294E-10 3.560522973819209E-11
peri -1.049493159249394E-13 6.043281587418818E-13 1.195185872404409E-8 -9.84218757161294E-10 3.10974530647059E-9 -3.540794654677959E-11
i 3.594423350457253E-16 9.792320831048646E-16 -6.877474705150299E-13 3.560522973819209E-11 -3.540794654677959E-11 3.732505824169139E-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 15.14   n/a MPCxxxxx  

152442 (2005 US455)          Discovered 2005-Oct-29 by CSS at Catalina
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

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