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(2016 UJ101)
Classification: Apollo [NEO]          SPK-ID: 3762881
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2210471190756353 3.1764e-07  
a 1.254567142674248 6.3863e-08 au
q .9772486900991542 4.4064e-07 au
i 26.68758752696936 1.8958e-05 deg
node 239.9890420998095 2.4292e-05 deg
peri 109.6494545616947 6.9354e-05 deg
M 237.6049237418273 9.8338e-05 deg
tp 2459175.002131853271
(2020-Nov-21.50213185)
0.00015218 TDB
period 513.2622110930947
1.41
3.9191e-05
1.073e-07
d
yr
n .7013958795706152 5.3557e-08 deg/d
Q 1.531885595249343 7.798e-08 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      1513 days (4.14 yr)  
   first obs. used      2016-10-31  
   last obs. used      2020-12-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .38348  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-22 05:51:04  

Additional Information
 Earth MOID = .111961 au 
 Jupiter MOID = 3.89754 au 
 T_jup = 5.003 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458036.5 (2017-Oct-10.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2210494533848056 3.1755e-07  
q .9772696025490512 4.4045e-07 au
tp 2458148.508958216477
(2018-Jan-30.00895822)
8.7398e-05 TDB
node 239.9924679553801 2.4289e-05 deg
peri 109.6678395341068 6.9343e-05 deg
i 26.68803022761405 1.8958e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      1513 days (4.14 yr)  
   first obs. used      2016-10-31  
   last obs. used      2020-12-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .38348  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-22 05:51:04  

Additional Information
 Jupiter MOID = 3.89754 au 
 T_jup = 5.003 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.008399371339077E-13 -1.395844738025076E-13 -1.088380178671046E-11 -1.464736578193531E-12 -1.206194286889212E-11 1.95687735115065E-12
q -1.395844738025076E-13 1.939918535089216E-13 1.662461691977133E-11 1.954859125900347E-12 1.75445823376043E-11 -2.819923891802583E-12
tp -1.088380178671046E-11 1.662461691977133E-11 7.638415366589807E-9 -5.423536535786333E-10 5.629582989155022E-9 -1.036481102603838E-9
node -1.464736578193531E-12 1.954859125900347E-12 -5.423536535786333E-10 5.899757274702056E-10 -7.335550291548251E-10 1.984241105955539E-10
peri -1.206194286889212E-11 1.75445823376043E-11 5.629582989155022E-9 -7.335550291548251E-10 4.808433116318549E-9 -9.267839035409038E-10
i 1.95687735115065E-12 -2.819923891802583E-12 -1.036481102603838E-9 1.984241105955539E-10 -9.267839035409038E-10 3.594169121708963E-10

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 20.4   n/a E2017B01  
rotation period rot_per 0.9 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; Mommert, M.; Trilling, D.E.; Sicafoose, A.A.; et al. (2017) Astron. J. 154, A162.]

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