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146059 (2000 ER181)
Classification: Main-belt Asteroid          SPK-ID: 2146059
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1206896327753911 5.661e-08  
a 2.577991221752609 1.6628e-08 au
q 2.266854407901105 1.4587e-07 au
i 9.931772488161824 5.9847e-06 deg
node 72.08647320918789 3.9009e-05 deg
peri 176.9622962055231 4.926e-05 deg
M 293.2586136502828 2.9171e-05 deg
tp 2459480.793677091541
(2021-Sep-23.29367709)
0.00012178 TDB
period 1511.891335673198
4.14
1.4628e-05
4.005e-08
d
yr
n .2381123507396141 2.3038e-09 deg/d
Q 2.889128035604114 1.8635e-08 au
  Orbit Determination Parameters
   # obs. used (total)      475  
   data-arc span      7729 days (21.16 yr)  
   first obs. used      2000-03-04  
   last obs. used      2021-05-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54683  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:34:23  

Additional Information
 Earth MOID = 1.25132 au 
 Jupiter MOID = 2.13914 au 
 T_jup = 3.395 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457536.5 (2016-May-28.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1217134016127269 5.6489e-08  
q 2.263878130850902 1.4589e-07 au
tp 2457968.111673536383
(2017-Aug-02.61167354)
0.0001252 TDB
node 72.13686879457414 3.903e-05 deg
peri 176.8380393420785 4.9131e-05 deg
i 9.930242867259025 5.9827e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      475  
   data-arc span      7729 days (21.16 yr)  
   first obs. used      2000-03-04  
   last obs. used      2021-05-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54683  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:34:23  

Additional Information
 Jupiter MOID = 2.13914 au 
 T_jup = 3.395 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.191046750286729E-15 -8.200367554921423E-15 -4.639972619491286E-12 -5.338022965443262E-14 -1.06319686987164E-12 -4.080795365222217E-16
q -8.200367554921423E-15 2.128340776295015E-14 1.133266941773385E-11 1.428999517586179E-13 2.572298693315875E-12 5.272192222977545E-16
tp -4.639972619491286E-12 1.133266941773385E-11 1.567507045331248E-8 7.560635003226519E-11 3.803043335695481E-9 4.56297987549104E-12
node -5.338022965443262E-14 1.428999517586179E-13 7.560635003226519E-11 1.523311792478611E-9 -1.482194551741823E-9 -1.521528762169296E-10
peri -1.06319686987164E-12 2.572298693315875E-12 3.803043335695481E-9 -1.482194551741823E-9 2.413822577094507E-9 1.510456216594153E-10
i -4.080795365222217E-16 5.272192222977545E-16 4.56297987549104E-12 -1.521528762169296E-10 1.510456216594153E-10 3.579260669001539E-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 15.88   n/a MPCxxxxx  
diameter diameter 4.350 km 0.318 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146059 (2000 ER181)          Discovered 2000-Mar-04 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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