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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 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

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