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JPL Small-Body Database Browser
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146646 (2001 UZ79)
Classification: Main-belt Asteroid          SPK-ID: 2146646
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09950769083640922 4.5157e-08  
a 2.691541813201754 1.8879e-08 au
q 2.423712702580405 1.2772e-07 au
i 3.049956166687117 4.0758e-06 deg
node 70.25404945841305 9.5944e-05 deg
peri 314.6864801216924 9.8619e-05 deg
M 87.19639841682981 2.4223e-05 deg
tp 2458609.842497137155
(2019-May-06.34249714)
0.00010686 TDB
period 1612.872820254924
4.42
1.697e-05
4.646e-08
d
yr
n .2232042077211642 2.3484e-09 deg/d
Q 2.959370923823102 2.0758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      435  
   data-arc span      7086 days (19.40 yr)  
   first obs. used      1999-03-21  
   last obs. used      2018-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59391  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:37:30  

Additional Information
 Earth MOID = 1.42878 au 
 Jupiter MOID = 2.46661 au 
 T_jup = 3.362 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456683.5 (2014-Jan-26.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09853968733832261 4.5323e-08  
q 2.426443494360246 1.2812e-07 au
tp 2456989.828737592276
(2014-Nov-28.32873759)
0.0001024 TDB
node 70.34576840242656 9.6083e-05 deg
peri 313.1388693951807 9.8797e-05 deg
i 3.048671365618139 4.0708e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      435  
   data-arc span      7086 days (19.40 yr)  
   first obs. used      1999-03-21  
   last obs. used      2018-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59391  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:37:30  

Additional Information
 Jupiter MOID = 2.46661 au 
 T_jup = 3.362 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.054137142718618E-15 -5.760015664075926E-15 -1.362113206826456E-12 -1.67380166577947E-14 -3.024681763456847E-13 -1.137245316471187E-15
q -5.760015664075926E-15 1.641510689150467E-14 4.105016154079749E-12 4.850041259445193E-14 8.990588241018685E-13 3.404834717393589E-15
tp -1.362113206826456E-12 4.105016154079749E-12 1.048581252694684E-8 2.269624607043113E-11 2.389908358499826E-9 8.42444257471786E-13
node -1.67380166577947E-14 4.850041259445193E-14 2.269624607043113E-11 9.231862086456369E-9 -9.213239145151951E-9 -2.767522461119642E-11
peri -3.024681763456847E-13 8.990588241018685E-13 2.389908358499826E-9 -9.213239145151951E-9 9.7608442109757E-9 2.783776344489076E-11
i -1.137245316471187E-15 3.404834717393589E-15 8.42444257471786E-13 -2.767522461119642E-11 2.783776344489076E-11 1.657120816143447E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO453932  

146646 (2001 UZ79)          Discovered 2001-Oct-20 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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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
2133-Jul-21 08:59 00:16 Amphi 0.0369953701976468 0.0369700283296902 0.0370207208318764 2.06556930888687 2.06556923365776 2500323.873987845 16.081119373432 1547.70357027181 31.7534721116484 35.4113763442894 100840.544162565 T 16 CATAB v2.0e-lin.ifort 2019-Jul-13 15:37:35 2019-Jul-13 15:37
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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