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85162 (1988 SL2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2085162
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1820068641558687 3.6014e-08  
a 3.952709115781779 3.5391e-08 au
q 3.233288924698021 1.5464e-07 au
i 3.178067349693741 5.8527e-06 deg
node 162.3750531109229 7.8542e-05 deg
peri 304.8914620271885 8.0899e-05 deg
M 285.4475751588188 1.8464e-05 deg
tp 2459594.928991451675
(2022-Jan-15.42899145)
0.0001512 TDB
period 2870.388687939728
7.86
3.855e-05
1.055e-07
d
yr
n .1254185544670594 1.6844e-09 deg/d
Q 4.672129306865537 4.1832e-08 au
  Orbit Determination Parameters
   # obs. used (total)      736  
   data-arc span      11726 days (32.10 yr)  
   first obs. used      1988-09-16  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56813  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:01:53  

Additional Information
 Earth MOID = 2.25153 au 
 Jupiter MOID = .522008 au 
 T_jup = 3.028 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456981.5 (2014-Nov-20.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1826507609921062 3.615e-08  
q 3.237996131804274 1.577e-07 au
tp 2456732.975045985170
(2014-Mar-16.47504599)
0.0001353 TDB
node 162.3766385041528 7.8586e-05 deg
peri 305.9050159225741 8.0902e-05 deg
i 3.17510109167724 5.8478e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      736  
   data-arc span      11726 days (32.10 yr)  
   first obs. used      1988-09-16  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56813  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:01:53  

Additional Information
 Jupiter MOID = .522008 au 
 T_jup = 3.028 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.306853296348422E-15 -5.614245977895932E-15 6.074933244561403E-13 -5.191118474991459E-15 1.060403876864538E-13 -3.684914556467976E-16
q -5.614245977895932E-15 2.487036525572847E-14 -1.463712910742717E-12 1.363998664946698E-14 -2.762733698063747E-13 9.163183059012156E-16
tp 6.074933244561403E-13 -1.463712910742717E-12 1.830476647285768E-8 -1.752930531641441E-11 2.628078923373801E-9 3.68325658384827E-12
node -5.191118474991459E-15 1.363998664946698E-14 -1.752930531641441E-11 6.175763148292094E-9 -6.168456158645237E-9 1.526809113101504E-10
peri 1.060403876864538E-13 -2.762733698063747E-13 2.628078923373801E-9 -6.168456158645237E-9 6.5451942271486E-9 -1.519591024169843E-10
i -3.684914556467976E-16 9.163183059012156E-16 3.68325658384827E-12 1.526809113101504E-10 -1.519591024169843E-10 3.419734326264539E-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 13.8   n/a MPO453282  
diameter diameter 11.298 km 2.608 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.032   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

85162 (1988 SL2)          Discovered 1988-Sep-16 by Bus, S. J. at Cerro Tololo
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ 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
1921-Jan-26 11:56 00:02 Jupiter 1.97530785999283 1.97530720204986 1.9753085179358 4.53359168084722 4.43799987515555 2422715.997357405 1.70613475300326 73.689638401579 28.6097973875649 82.6420914702795 3181254.76607811 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:55 2020-Nov-12 21:01
2014-Apr-02 07:43 < 00:01 Jupiter 1.99671801202634 1.99671751829848 1.9967185057542 5.00814302101064 4.92271081413179 2456749.821338689 0.240900822628505 51.5863740356607 22.530170738518 83.5088862398244 4462240.67147486 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:55 2020-Nov-12 21:01
2037-Sep-27 10:47 00:01 Jupiter 1.95373515344945 1.95373472443815 1.95373558246076 4.88780233020647 4.79828421809178 2465328.949537904 1.06253694811602 53.8052219124863 19.3742914185829 84.0816474996086 5075795.80401284 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:55 2020-Nov-12 21:01
2061-Jun-18 14:14 00:02 Jupiter 1.93629246159075 1.93629193645451 1.93629298672698 4.83545497920221 4.74412623789341 2473994.092820231 1.87574718051299 56.2324858012537 24.7640419540122 -89.8338173785965 4565914.33499878 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:55 2020-Nov-12 21:01
2085-May-29 19:20 00:02 Jupiter 1.95095988500281 1.95095932747118 1.95096044253444 4.85249695303664 4.76218574434468 2482740.305484675 2.27364517723626 61.5782072848285 25.8389894820952 -84.1950021418719 4577714.22614142 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:55 2020-Nov-12 21:01
2109-Jun-19 06:53 00:02 Jupiter 1.95712543629685 1.95712492001197 1.95712595258185 4.80017245027447 4.70914826625908 2491525.786702284 2.26775483238035 67.4636669862314 23.4392806744073 -83.6654058360708 4795269.3229242 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:55 2020-Nov-12 21:01
2133-Jul-02 16:03 00:02 Jupiter 1.96146631609744 1.96146582742471 1.96146680477016 4.7007034975076 4.60792261279563 2500305.168441827 2.04313465919543 69.4117201167486 21.9386052837083 -83.9019596990968 4944143.63660209 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:55 2020-Nov-12 21:01
2157-May-22 20:32 00:02 Jupiter 1.9641584607019 1.96415791991642 1.96415900148739 4.63467289252466 4.54067330040348 2509030.355731900 1.88941761761136 68.0267737202465 24.5799610274218 -85.2077240068744 4081125.60819525 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:55 2020-Nov-12 21:01
2181-Jan-14 20:30 00:02 Jupiter 1.99158401057173 1.99158337675133 1.99158464439202 4.7481540155415 4.65772097827156 2517668.354215126 1.89161504833867 65.6310062843604 29.1531107134623 -87.0893429584822 3244208.50972456 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:55 2020-Nov-12 21:01

Alternate Designations
 1988 SL2 = 1999 CR16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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