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181402 (2006 SR118)
Classification: Main-belt Asteroid          SPK-ID: 2181402
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09540175110722893 4.3176e-08  
a 2.645832814146741 1.5165e-08 au
q 2.393415730540175 1.1149e-07 au
i 8.319658677171578 5.9471e-06 deg
node 31.229519744019 3.2393e-05 deg
peri 96.16214424481529 4.8349e-05 deg
M 27.41286561798903 3.3778e-05 deg
tp 2459080.800052272600
(2020-Aug-19.30005227)
0.00014731 TDB
period 1571.961931392748
4.30
1.3515e-05
3.7e-08
d
yr
n .2290131795246736 1.9689e-09 deg/d
Q 2.898249897753308 1.6612e-08 au
  Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      7174 days (19.64 yr)  
   first obs. used      2001-08-22  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50668  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:29  

Additional Information
 Earth MOID = 1.42551 au 
 Jupiter MOID = 2.16603 au 
 T_jup = 3.371 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457561.5 (2016-Jun-22.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09466506734654993 4.3684e-08  
q 2.395464168399388 1.1292e-07 au
tp 2457512.560728943530
(2016-May-04.06072894)
0.00014606 TDB
node 31.25159546571242 3.2395e-05 deg
peri 97.02434745662023 4.8387e-05 deg
i 8.320082621259514 5.9476e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      7174 days (19.64 yr)  
   first obs. used      2001-08-22  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50668  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:29  

Additional Information
 Jupiter MOID = 2.16603 au 
 T_jup = 3.371 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.908255327519632E-15 -4.898896078103425E-15 2.296090887446548E-12 -8.390197211647352E-15 5.630827162792616E-13 -2.483499804010411E-15
q -4.898896078103425E-15 1.275194997357127E-14 -5.971353220390394E-12 2.096537188447811E-14 -1.463416845073883E-12 6.646374717929405E-15
tp 2.296090887446548E-12 -5.971353220390394E-12 2.133264835211731E-8 -7.920671476704997E-11 5.271080949977204E-9 1.885567045651582E-12
node -8.390197211647352E-15 2.096537188447811E-14 -7.920671476704997E-11 1.049406334437616E-9 -1.057133915328425E-9 -5.77438262567426E-11
peri 5.630827162792616E-13 -1.463416845073883E-12 5.271080949977204E-9 -1.057133915328425E-9 2.341275220960589E-9 5.757301059323278E-11
i -2.483499804010411E-15 6.646374717929405E-15 1.885567045651582E-12 -5.77438262567426E-11 5.757301059323278E-11 3.537448646416387E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.87   n/a MPCxxxxx  
diameter diameter 3.808 km 0.976 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181402 (2006 SR118)          Discovered 2006-Sep-24 by Healy, D. at Junk Bond
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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