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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1820068913812012 4.1241e-08  
a 3.952709160780618 4.4021e-08 au
q 3.233288853892941 1.6509e-07 au
i 3.178070135448666 6.8524e-06 deg
node 162.3750379926351 8.1758e-05 deg
peri 304.8914860179328 8.4289e-05 deg
M 285.4475598856804 2.1457e-05 deg
tp 2459594.929123379761
(2022-Jan-15.42912338)
0.00017756 TDB
period 2870.388736955791
7.86
4.7951e-05
1.313e-07
d
yr
n .1254185523253552 2.0952e-09 deg/d
Q 4.672129467668295 5.2033e-08 au
  Orbit Determination Parameters
   # obs. used (total)      640  
   data-arc span      11639 days (31.87 yr)  
   first obs. used      1988-09-16  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6002  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:55:18  

Additional Information
 Earth MOID = 2.25153 au 
 Jupiter MOID = .522007 au 
 T_jup = 3.028 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456424.5 (2013-May-12.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1818675761127914 4.1736e-08  
q 3.237604932774531 1.6902e-07 au
tp 2456739.211485899660
(2014-Mar-22.71148590)
0.00014859 TDB
node 162.6294077035044 8.2254e-05 deg
peri 306.7857547364644 8.4742e-05 deg
i 3.165975643430451 6.8332e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      640  
   data-arc span      11639 days (31.87 yr)  
   first obs. used      1988-09-16  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6002  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:55:18  

Additional Information
 Jupiter MOID = .522007 au 
 T_jup = 3.028 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.741875274384436E-15 -6.900007372777972E-15 1.800784777611532E-12 -7.658163734269053E-15 2.336885562338476E-13 -5.44974271372624E-16
q -6.900007372777972E-15 2.856923426374051E-14 -5.233687422262084E-12 3.482279938277268E-14 -6.964886335762796E-13 1.665458967788532E-15
tp 1.800784777611532E-12 -5.233687422262084E-12 2.207816008366817E-8 -3.674350365919849E-11 3.044547289918754E-9 -1.717437241775902E-12
node -7.658163734269053E-15 3.482279938277268E-14 -3.674350365919849E-11 6.7657930302799E-9 -6.760584983339082E-9 7.212547845047248E-11
peri 2.336885562338476E-13 -6.964886335762796E-13 3.044547289918754E-9 -6.760584983339082E-9 7.181254672022497E-9 -7.23810942655216E-11
i -5.44974271372624E-16 1.665458967788532E-15 -1.717437241775902E-12 7.212547845047248E-11 -7.23810942655216E-11 4.669309012369496E-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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