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11610 (1995 XJ1)
Classification: Main-belt Asteroid          SPK-ID: 2011610
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06256522771706581 3.6883e-08  
a 3.028245620830178 1.6112e-08 au
q 2.838782743979731 1.2047e-07 au
i 8.744580107185845 3.6853e-06 deg
node 269.971948168117 2.4485e-05 deg
peri 129.2657533755898 4.4076e-05 deg
M 344.4753098722879 3.7723e-05 deg
tp 2459479.505240707299
(2021-Sep-22.00524071)
0.00020193 TDB
period 1924.797622935329
5.27
1.5362e-05
4.206e-08
d
yr
n .1870326499317874 1.4927e-09 deg/d
Q 3.217708497680626 1.712e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2490  
   data-arc span      11638 days (31.86 yr)  
   first obs. used      1989-09-28  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4222  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 20:36:25  

Additional Information
 Earth MOID = 1.85698 au 
 Jupiter MOID = 2.0944 au 
 T_jup = 3.223 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457521.5 (2016-May-13.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06713670160581482 3.7458e-08  
q 2.825753089399162 1.2309e-07 au
tp 2457542.253772963173
(2016-Jun-02.75377296)
0.00017869 TDB
node 270.0596150177191 2.448e-05 deg
peri 127.3473398547447 4.1398e-05 deg
i 8.745230576061456 3.6807e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2490  
   data-arc span      11638 days (31.86 yr)  
   first obs. used      1989-09-28  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4222  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 20:36:25  

Additional Information
 Jupiter MOID = 2.0944 au 
 T_jup = 3.223 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.403108426432641E-15 -4.586253651994603E-15 -1.712193211458651E-12 5.850798883540816E-15 -2.662599059808966E-13 -1.511558925492405E-15
q -4.586253651994603E-15 1.515155248794177E-14 6.030088253886089E-12 -1.817459750155292E-14 9.49341008970174E-13 5.635478335960123E-15
tp -1.712193211458651E-12 6.030088253886089E-12 3.192855706055044E-8 -1.940454592129906E-11 5.980696342858677E-9 1.495894772819521E-11
node 5.850798883540816E-15 -1.817459750155292E-14 -1.940454592129906E-11 5.992610682214106E-10 -5.954094950300748E-10 2.788657593826056E-11
peri -2.662599059808966E-13 9.49341008970174E-13 5.980696342858677E-9 -5.954094950300748E-10 1.71382511176125E-9 -2.480631767204141E-11
i -1.511558925492405E-15 5.635478335960123E-15 1.495894772819521E-11 2.788657593826056E-11 -2.480631767204141E-11 1.35474430384653E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.47   n/a E2021B10  
diameter diameter 11.212 km 0.295 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.825 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.]
geometric albedo albedo 0.179   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

11610 (1995 XJ1)          Discovered 1995-Dec-15 by Kobayashi, T. at Oizumi
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1995 XJ1 = 1989 SX12 = 1993 LB2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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