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181847 (1998 UG10)
Classification: Outer Main-belt Asteroid          SPK-ID: 2181847
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09681038908700117 4.7929e-08  
a 3.452491885509104 3.6103e-08 au
q 3.118254802753254 1.6058e-07 au
i 15.13371746837234 5.5169e-06 deg
node 221.2144476423105 1.866e-05 deg
peri 201.8380268973107 3.3687e-05 deg
M 142.4322524165856 3.0486e-05 deg
tp 2458273.449765427006
(2018-Jun-03.94976543)
0.00019285 TDB
period 2343.135622612785
6.42
3.6754e-05
1.006e-07
d
yr
n .1536402743937506 2.4099e-09 deg/d
Q 3.786728968264955 3.9598e-08 au
  Orbit Determination Parameters
   # obs. used (total)      491  
   data-arc span      8186 days (22.41 yr)  
   first obs. used      1998-10-16  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57275  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:32:18  

Additional Information
 Earth MOID = 2.13471 au 
 Jupiter MOID = 1.62049 au 
 T_jup = 3.072 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457190.5 (2015-Jun-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09728250304797138 4.7812e-08  
q 3.117604323698316 1.6005e-07 au
tp 2458278.277859292407
(2018-Jun-08.77785929)
0.00019246 TDB
node 221.254994237997 1.8662e-05 deg
peri 202.8250099243875 3.3627e-05 deg
i 15.13202999842144 5.5163e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      491  
   data-arc span      8186 days (22.41 yr)  
   first obs. used      1998-10-16  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57275  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:32:18  

Additional Information
 Jupiter MOID = 1.62049 au 
 T_jup = 3.072 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.285964893824844E-15 -7.503993740736894E-15 -1.246677883420462E-12 -2.948210735569537E-15 -1.926079041058205E-13 2.394089654162145E-15
q -7.503993740736894E-15 2.561521000827308E-14 6.443761056577507E-12 5.340101286832316E-15 9.024506136422972E-13 -8.290783343667594E-15
tp -1.246677883420462E-12 6.443761056577507E-12 3.704209436722611E-8 -1.956090205049619E-11 5.399209146712558E-9 1.504456687416986E-11
node -2.948210735569537E-15 5.340101286832316E-15 -1.956090205049619E-11 3.482527947092334E-10 -3.384924394601167E-10 -1.260336950011124E-11
peri -1.926079041058205E-13 9.024506136422972E-13 5.399209146712558E-9 -3.384924394601167E-10 1.130786753918229E-9 1.442984094945621E-11
i 2.394089654162145E-15 -8.290783343667594E-15 1.504456687416986E-11 -1.260336950011124E-11 1.442984094945621E-11 3.042978902097521E-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 14.42   n/a MPCxxxxx  
diameter diameter 6.894 km 0.401 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181847 (1998 UG10)          Discovered 1998-Oct-16 by Spacewatch at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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