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17610 (1995 UJ1)
Classification: Main-belt Asteroid          SPK-ID: 2017610
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09683624677578903 3.2774e-08  
a 2.983448666622825 1.4606e-08 au
q 2.694542695298839 1.0161e-07 au
i 10.1032589377475 3.2564e-06 deg
node 195.8214659279512 2.0753e-05 deg
peri 171.5707987944742 2.8066e-05 deg
M 329.7266125127245 2.0173e-05 deg
tp 2459358.783192226139
(2021-May-24.28319223)
0.00010596 TDB
period 1882.245560572318
5.15
1.3822e-05
3.784e-08
d
yr
n .191260910659573 1.4045e-09 deg/d
Q 3.272354637946812 1.602e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2119  
   data-arc span      24107 days (66.00 yr)  
   first obs. used      1954-12-22  
   last obs. used      2020-12-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45214  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:34:35  

Additional Information
 Earth MOID = 1.69265 au 
 Jupiter MOID = 2.19726 au 
 T_jup = 3.228 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457191.5 (2015-Jun-18.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09974526522076063 3.2531e-08  
q 2.684254714670367 1.0096e-07 au
tp 2457482.948957346896
(2016-Apr-04.44895735)
9.8958e-05 TDB
node 196.0342409330367 2.0737e-05 deg
peri 172.4555510793963 2.775e-05 deg
i 10.11067891193783 3.2577e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2119  
   data-arc span      24107 days (66.00 yr)  
   first obs. used      1954-12-22  
   last obs. used      2020-12-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45214  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:34:35  

Additional Information
 Jupiter MOID = 2.19726 au 
 T_jup = 3.228 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.058294488163838E-15 -3.259515475578011E-15 -8.503378173467715E-13 -3.704203772792709E-15 -1.23378219401029E-13 -1.658562337232771E-15
q -3.259515475578011E-15 1.019200759535827E-14 2.890023705653821E-12 1.125404400221098E-14 4.267600561172482E-13 5.450981335792465E-15
tp -8.503378173467715E-13 2.890023705653821E-12 9.792784285165337E-9 1.183020525554855E-11 1.840906770323167E-9 6.349110760844341E-12
node -3.704203772792709E-15 1.125404400221098E-14 1.183020525554855E-11 4.30009682646595E-10 -4.210182942642704E-10 -7.305564415676407E-12
peri -1.23378219401029E-13 4.267600561172482E-13 1.840906770323167E-9 -4.210182942642704E-10 7.700723376434347E-10 8.372344686821619E-12
i -1.658562337232771E-15 5.450981335792465E-15 6.349110760844341E-12 -7.305564415676407E-12 8.372344686821619E-12 1.061236392136618E-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 12.84   n/a E2021B10  
diameter diameter 8.988 km 0.174 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.93 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.151   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17610 (1995 UJ1)          Discovered 1995-Oct-23 by di Cicco, D. at Sudbury
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

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