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53432 (1999 UT55)
Classification: Mars-crossing Asteroid          SPK-ID: 2053432
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1158471339184358 4.7919e-08  
a 1.871520266506358 6.1022e-09 au
q 1.654710007561329 8.9299e-08 au
i 22.43865851956386 5.0452e-06 deg
node 268.6953729385349 1.075e-05 deg
peri 126.8885968796269 2.1776e-05 deg
M 161.606569926183 1.9111e-05 deg
tp 2458976.695837691654
(2020-May-07.19583769)
4.9026e-05 TDB
period 935.1692725118542
2.56
4.5738e-06
1.252e-08
d
yr
n .3849570452983812 1.8828e-09 deg/d
Q 2.088330525451386 6.8091e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1017  
   data-arc span      9680 days (26.50 yr)  
   first obs. used      1994-11-28  
   last obs. used      2021-05-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45389  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:57:02  

Additional Information
 Earth MOID = .717434 au 
 Jupiter MOID = 3.26411 au 
 T_jup = 3.881 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457755.5 (2017-Jan-02.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1160625215709597 4.7996e-08  
q 1.65421263074121 8.9451e-08 au
tp 2458041.195160355423
(2017-Oct-14.69516036)
4.7734e-05 TDB
node 268.7097031999453 1.0752e-05 deg
peri 126.8198051195167 2.1717e-05 deg
i 22.43700419606242 5.0449e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1017  
   data-arc span      9680 days (26.50 yr)  
   first obs. used      1994-11-28  
   last obs. used      2021-05-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45389  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:57:02  

Additional Information
 Jupiter MOID = 3.26411 au 
 T_jup = 3.881 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.303589821655777E-15 -4.285558450944153E-15 2.934375050064881E-13 -2.980097131475386E-14 7.632847339647935E-14 -4.910878789964859E-15
q -4.285558450944153E-15 8.001452410164445E-15 -4.987911966961981E-13 5.542222111540411E-14 -1.272631144296616E-13 8.996626863057752E-15
tp 2.934375050064881E-13 -4.987911966961981E-13 2.278572696758518E-9 -1.314523576068018E-11 9.090195951162262E-10 -1.09906025454831E-11
node -2.980097131475386E-14 5.542222111540411E-14 -1.314523576068018E-11 1.156027463802153E-10 -1.100730353937415E-10 -2.721529607243496E-13
peri 7.632847339647935E-14 -1.272631144296616E-13 9.090195951162262E-10 -1.100730353937415E-10 4.716219025461032E-10 -3.477670164177121E-12
i -4.910878789964859E-15 8.996626863057752E-15 -1.09906025454831E-11 -2.721529607243496E-13 -3.477670164177121E-12 2.54514454975488E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.76   n/a MPCxxxxx  
rotation period rot_per 3.330 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2013) CBET, submitted.]
[Warner, Brian D. (2013) Minor Planet Bull. 40, 119-121.]

53432 (1999 UT55)          Discovered 1999-Oct-19 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 UT55 = 1994 WO12 = 2000 AU3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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