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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156407775295004 5.7847e-08  
a 1.871497399337499 6.564e-09 au
q 1.655075984933672 1.0917e-07 au
i 22.440021960701 6.4765e-06 deg
node 268.6999244916553 1.1439e-05 deg
peri 126.8995242423934 2.5287e-05 deg
M 9.170639286501647 2.108e-05 deg
tp 2458976.677936416948
(2020-May-07.17793642)
5.4749e-05 TDB
period 935.152133016712
2.56
4.9199e-06
1.347e-08
d
yr
n .3849641008021595 2.0253e-09 deg/d
Q 2.087918813741325 7.3231e-09 au
  Orbit Determination Parameters
   # obs. used (total)      810  
   data-arc span      9460 days (25.90 yr)  
   first obs. used      1994-11-28  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4553  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:13:00  

Additional Information
 Earth MOID = .717929 au 
 Jupiter MOID = 3.26319 au 
 T_jup = 3.882 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457371.5 (2015-Dec-15.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1157954524226234 5.7884e-08  
q 1.655029567485997 1.0923e-07 au
tp 2457105.936187427009
(2015-Mar-24.43618743)
5.4818e-05 TDB
node 268.7303825374476 1.1443e-05 deg
peri 126.7915236526848 2.5249e-05 deg
i 22.43505132492835 6.4756e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      810  
   data-arc span      9460 days (25.90 yr)  
   first obs. used      1994-11-28  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4553  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:13:00  

Additional Information
 Jupiter MOID = 3.26319 au 
 T_jup = 3.882 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.350603905127639E-15 -6.313760860332326E-15 1.153957593853658E-12 -2.427303247895512E-14 4.554272732597491E-13 -2.34457153259316E-14
q -6.313760860332326E-15 1.193067996898515E-14 -2.193971430942763E-12 4.504448616811948E-14 -8.62968555715827E-13 4.430441139218421E-14
tp 1.153957593853658E-12 -2.193971430942763E-12 3.004958422000205E-9 -1.619924311119074E-11 1.243140312192334E-9 -1.530336568590618E-11
node -2.427303247895512E-14 4.504448616811948E-14 -1.619924311119074E-11 1.309437151473061E-10 -1.258373417528753E-10 -1.490473820319192E-11
peri 4.554272732597491E-13 -8.62968555715827E-13 1.243140312192334E-9 -1.258373417528753E-10 6.375048182868373E-10 8.220105995340012E-12
i -2.34457153259316E-14 4.430441139218421E-14 -1.530336568590618E-11 -1.490473820319192E-11 8.220105995340012E-12 4.193379326330099E-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 15.7   n/a MPO436158  
rotation period rot_per 3.330 h n/a LCDB (Rev. 2019-August); 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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