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(2017 UK44)
Classification: Amor [NEO]          SPK-ID: 3788160
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4080199456741465 0.00060865  
a 1.720377135409344 0.0018268 au
q 1.01842895008058 3.4394e-05 au
i 14.97039314957078 0.014634 deg
node 33.8302578989118 0.0010684 deg
peri 349.2914231987494 0.002948 deg
M 144.5452587972982 0.80116 deg
tp 2458869.570662366197
(2020-Jan-21.07066237)
1.3071 TDB
period 824.2024853629841
2.26
1.3128
0.003594
d
yr
n .4367858704544595 0.00069571 deg/d
Q 2.422325320738108 0.0025722 au
  Orbit Determination Parameters
   # obs. used (total)      63  
   data-arc span      2 days  
   first obs. used      2017-10-29  
   last obs. used      2017-10-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .54446  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 19:57:37  

Additional Information
 Earth MOID = .0283773 au 
 Jupiter MOID = 3.03617 au 
 T_jup = 4.039 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458056.5 (2017-Oct-30.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4085932562457862 0.00061015  
q 1.017476349801999 2.6642e-05 au
tp 2458045.299791617562
(2017-Oct-18.79979162)
0.0018567 TDB
node 33.85842217317169 0.0010509 deg
peri 349.2332938725561 0.0026173 deg
i 14.98597417142747 0.014663 deg
  Orbit Determination Parameters
   # obs. used (total)      63  
   data-arc span      2 days  
   first obs. used      2017-10-29  
   last obs. used      2017-10-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .54446  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 19:57:37  

Additional Information
 Jupiter MOID = 3.03617 au 
 T_jup = 4.039 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.722821010936609E-7 1.620425486429967E-8 1.772134052653894E-7 -6.410421806357761E-7 -9.334518189122107E-7 8.944004724846107E-6
q 1.620425486429967E-8 7.098033751650508E-10 1.158344561634631E-8 -2.794583397462652E-8 -3.614751961436158E-8 3.885685571902931E-7
tp 1.772134052653894E-7 1.158344561634631E-8 3.447181776385498E-6 -3.415926615996469E-7 3.449798914997681E-6 3.611002159571221E-6
node -6.410421806357761E-7 -2.794583397462652E-8 -3.415926615996469E-7 1.104376318523861E-6 1.564981795315938E-6 -1.539371251765043E-5
peri -9.334518189122107E-7 -3.614751961436158E-8 3.449798914997681E-6 1.564981795315938E-6 6.850065293431448E-6 -2.317485512084728E-5
i 8.944004724846107E-6 3.885685571902931E-7 3.611002159571221E-6 -1.539371251765043E-5 -2.317485512084728E-5 .0002150090588021064

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 25.1   n/a MPO421622  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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