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JPL Small-Body Database Browser
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185724 (1998 SN101)
Classification: Main-belt Asteroid          SPK-ID: 2185724
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 .2267363854286335 5.9456e-08  
a 2.421522300223357 1.5394e-08 au
q 1.872475086635883 1.3819e-07 au
i 8.116878450511699 6.2106e-06 deg
node 196.7726289288974 3.1572e-05 deg
peri 147.4116878669767 3.3487e-05 deg
M 285.5158418198324 1.3716e-05 deg
tp 2459285.268894438151
(2021-Mar-11.76889444)
5.4302e-05 TDB
period 1376.357127508368
3.77
1.3125e-05
3.593e-08
d
yr
n .2615600215997074 2.4942e-09 deg/d
Q 2.970569513810831 1.8884e-08 au
  Orbit Determination Parameters
   # obs. used (total)      354  
   data-arc span      7803 days (21.36 yr)  
   first obs. used      1998-09-15  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55117  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:08:59  

Additional Information
 Earth MOID = .871538 au 
 Jupiter MOID = 2.48427 au 
 T_jup = 3.464 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456876.5 (2014-Aug-07.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2250534248388583 5.9013e-08  
q 1.877544396007881 1.3649e-07 au
tp 2456530.393306518263
(2013-Aug-25.89330652)
4.0985e-05 TDB
node 196.9219225267472 3.167e-05 deg
peri 147.0190263881618 3.3612e-05 deg
i 8.099575516120501 6.2005e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      354  
   data-arc span      7803 days (21.36 yr)  
   first obs. used      1998-09-15  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55117  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:08:59  

Additional Information
 Jupiter MOID = 2.48427 au 
 T_jup = 3.464 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.482530495892336E-15 -8.031514989562119E-15 8.938293799776216E-13 1.430619443079552E-14 2.46539939397623E-13 -5.948070849893147E-15
q -8.031514989562119E-15 1.862987948645743E-14 -2.016673829389754E-12 -3.216120570960148E-14 -5.537786446563043E-13 1.357393625888682E-14
tp 8.938293799776216E-13 -2.016673829389754E-12 1.679776700439704E-9 4.750920653700376E-12 4.74919296353483E-10 -1.847962911392837E-13
node 1.430619443079552E-14 -3.216120570960148E-14 4.750920653700376E-12 1.003000432905748E-9 -9.910022288422925E-10 -7.72798711368772E-12
peri 2.46539939397623E-13 -5.537786446563043E-13 4.74919296353483E-10 -9.910022288422925E-10 1.129757322421933E-9 7.570517719818439E-12
i -5.948070849893147E-15 1.357393625888682E-14 -1.847962911392837E-13 -7.72798711368772E-12 7.570517719818439E-12 3.84461873727053E-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 16.5   n/a MPO470003  

185724 (1998 SN101)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 1998 SN101 = 2002 VF79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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