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JPL Small-Body Database Browser
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(2017 UU2)
Classification: Apollo [NEO]          SPK-ID: 3787627
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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.


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Orbital Elements at Epoch 2458048.5 (2017-Oct-22.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5263625253448203 0.00086614  
a 1.819500155720445 0.0030136 au
q .8617834588901376 0.00014858 au
i 1.685798761567542 0.0021651 deg
node 221.5927729746811 0.0028228 deg
peri 222.030755969554 0.001801 deg
M 343.6611211492022 0.046668 deg
tp 2458089.186124557844
(2017-Dec-01.68612456)
0.015127 TDB
period 896.451034038276
2.45
2.2272
0.006098
d
yr
n .4015835626607454 0.00099771 deg/d
Q 2.777216852550752 0.0045999 au
  Orbit Determination Parameters
   # obs. used (total)      28  
   data-arc span      3 days  
   first obs. used      2017-10-21  
   last obs. used      2017-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .2945  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Oct-24 06:21:51  

Additional Information
 Earth MOID = .00516055 au 
 Jupiter MOID = 2.49133 au 
 T_jup = 3.865 
[ show covariance matrix ]

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 26.4   n/a MPO421535  

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2017-Oct-24 19:18 < 00:01 Earth 0.00539407279226546 0.00536928898023245 0.0054188548560094 11.3289005511848 11.2852141813264 2458051.303966798 0.0857334526390559 1226.26379507373 3.10771269118883 -0.288262409160987 435.32059061114 T 2 CATAB v2.0e-lin.ifort 2017-Nov-30 18:26:27 2018-Dec-11 17:16
2017-Oct-24 20:37 < 00:01 Moon 0.00641982051666609 0.00639717899841127 0.00644247759837661 12.2698607799176 12.2694447125901 2458051.358790780 0.368991995810135 1234.53208057328 3.19427748859569 23.8240029404705 117191.164515928 T 2 CATAB v2.0e-lin.ifort 2017-Nov-30 18:26:27 2018-Dec-11 17:16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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