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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 ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .182006862357927 3.5921e-08  
a 3.952709113503242 3.5239e-08 au
q 3.233288929940934 1.5446e-07 au
i 3.178067446692231 5.8116e-06 deg
node 162.3750527151072 7.8485e-05 deg
peri 304.891461824799 8.0839e-05 deg
M 285.447576108691 1.8414e-05 deg
tp 2459594.928983364070
(2022-Jan-15.42898336)
0.00015076 TDB
period 2870.388685457777
7.86
3.8384e-05
1.051e-07
d
yr
n .1254185545755056 1.6772e-09 deg/d
Q 4.67212929706555 4.1652e-08 au
  Orbit Determination Parameters
   # obs. used (total)      752  
   data-arc span      11748 days (32.16 yr)  
   first obs. used      1988-09-16  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56404  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:14:05  

Additional Information
 Earth MOID = 2.25153 au 
 Jupiter MOID = .522008 au 
 T_jup = 3.028 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457002.5 (2014-Dec-11.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1825679745669346 3.6064e-08  
q 3.23778270654723 1.5746e-07 au
tp 2456732.745299834617
(2014-Mar-16.24529983)
0.00013512 TDB
node 162.3756062535148 7.8517e-05 deg
peri 305.8643613358225 8.0833e-05 deg
i 3.17550640010508 5.8074e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      752  
   data-arc span      11748 days (32.16 yr)  
   first obs. used      1988-09-16  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56404  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:14:05  

Additional Information
 Jupiter MOID = .522008 au 
 T_jup = 3.028 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.300580478490559E-15 -5.593314185601571E-15 5.870603845712803E-13 -4.940022123839301E-15 1.036574576520966E-13 -3.623956060152666E-16
q -5.593314185601571E-15 2.479214610507384E-14 -1.403840197857971E-12 1.383095052899342E-14 -2.701172428727756E-13 1.010098418865862E-15
tp 5.870603845712803E-13 -1.403840197857971E-12 1.825676161543869E-8 -1.734627613691352E-11 2.623759102152378E-9 3.861352713789729E-12
node -4.940022123839301E-15 1.383095052899342E-14 -1.734627613691352E-11 6.164902728050789E-9 -6.157565132384396E-9 1.548002346254569E-10
peri 1.036574576520966E-13 -2.701172428727756E-13 2.623759102152378E-9 -6.157565132384396E-9 6.534000021296408E-9 -1.540483327555083E-10
i -3.623956060152666E-16 1.010098418865862E-15 3.861352713789729E-12 1.548002346254569E-10 -1.540483327555083E-10 3.37256069326681E-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 1.97530783790876 1.97530718640345 1.97530848941419 4.53359158362489 4.43799977475887 2422715.997379671 1.70059053423177 73.4871272252749 28.3911398452469 82.8679032841762 3208398.54532432 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 22:14:07 2020-Dec-17 22:14
2014-Apr-02 07:43 < 00:01 Jupiter 1.9967180055889 1.99671751283454 1.99671849834326 5.00814297700604 4.92271076908568 2456749.821328997 0.239706283580209 51.4712625581771 22.4843623361131 83.4968484943949 4471834.00249625 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 22:14:07 2020-Dec-17 22:14
2037-Sep-27 10:47 00:01 Jupiter 1.95373514106012 1.95373471575446 1.95373556636579 4.88780229151042 4.79828417810085 2465328.949522533 1.05582117585718 53.6278756967675 19.1803722869873 84.0125754562733 5115361.05688591 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 22:14:07 2020-Dec-17 22:14
2061-Jun-18 14:14 00:02 Jupiter 1.93629244401915 1.93629192476383 1.93629296327447 4.83545490890402 4.74412616540514 2473994.092787136 1.86628961273007 56.0306120597029 24.488426620935 -89.9737371294724 4614870.15969037 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 22:14:07 2020-Dec-17 22:14
2085-May-29 19:20 00:02 Jupiter 1.95095986733407 1.95095931529129 1.95096041937685 4.85249689444949 4.76218568382082 2482740.305449609 2.26438037480052 61.3768522972268 25.612723873721 -84.366828462631 4617897.50885782 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 22:14:07 2020-Dec-17 22:14
2109-Jun-19 06:53 00:02 Jupiter 1.95712542073049 1.9571249089679 1.95712593249318 4.80017241358564 4.70914822813011 2491525.786668817 2.26130662036778 67.3040547644176 23.2655421707302 -83.8060544713276 4829645.74639037 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 22:14:07 2020-Dec-17 22:14
2133-Jul-02 16:03 00:02 Jupiter 1.96146630046621 1.96146581651526 1.96146678441717 4.70070339924577 4.60792251180847 2500305.168434924 2.0407280351567 69.3316383644926 21.7496899064751 -84.0124372760429 4991282.98024742 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 22:14:07 2020-Dec-17 22:14
2157-May-22 20:32 00:02 Jupiter 1.96415844212994 1.96415790726802 1.96415897699186 4.63467277949092 4.54067318413175 2509030.355734772 1.88935561280557 68.0126787266393 24.3177489201039 -85.2680497847661 4131692.16644968 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 22:14:07 2020-Dec-17 22:14
2181-Jan-14 20:30 00:02 Jupiter 1.99158399038036 1.99158336245779 1.99158461830294 4.74815389846841 4.65772085799966 2517668.354225741 1.8909626392923 65.6257813270374 28.8820949185582 -87.0661457988342 3278212.94786925 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 22:14:07 2020-Dec-17 22:14

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