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146648 (2001 UM80)
Classification: Main-belt Asteroid          SPK-ID: 2146648
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2159782380864781 5.5268e-08  
a 2.666527273838953 1.5257e-08 au
q 2.090615411425676 1.4818e-07 au
i 3.806342935198286 5.3132e-06 deg
node 43.4198349094244 8.1415e-05 deg
peri 289.8712251621938 8.2127e-05 deg
M 142.5250040695772 1.2678e-05 deg
tp 2458370.840103957286
(2018-Sep-09.34010396)
5.3849e-05 TDB
period 1590.440667272099
4.35
1.365e-05
3.737e-08
d
yr
n .2263523609575872 1.9427e-09 deg/d
Q 3.24243913625223 1.8553e-08 au
  Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      7200 days (19.71 yr)  
   first obs. used      2000-05-07  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53068  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:38:39  

Additional Information
 Earth MOID = 1.08432 au 
 Jupiter MOID = 2.14377 au 
 T_jup = 3.346 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456795.5 (2014-May-18.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2184415233177162 5.5759e-08  
q 2.082519569567665 1.4988e-07 au
tp 2456778.069554931346
(2014-Apr-30.56955493)
4.9265e-05 TDB
node 43.49997850535575 8.1591e-05 deg
peri 289.2730396682865 8.2264e-05 deg
i 3.805948283270403 5.308e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      7200 days (19.71 yr)  
   first obs. used      2000-05-07  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53068  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:38:39  

Additional Information
 Jupiter MOID = 2.14377 au 
 T_jup = 3.346 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.109041277480336E-15 -8.33096313515566E-15 7.039403577447196E-13 -1.658637808036443E-15 6.610297731932859E-14 -1.852018421582947E-15
q -8.33096313515566E-15 2.246380098786886E-14 -1.807637525195414E-12 5.383663458666472E-15 -1.624992592747336E-13 5.189347271279888E-15
tp 7.039403577447196E-13 -1.807637525195414E-12 2.427009737899833E-9 3.4210273382193E-12 5.472074238642305E-10 -8.296347584163154E-13
node -1.658637808036443E-15 5.383663458666472E-15 3.4210273382193E-12 6.657136388716463E-9 -6.640923469299288E-9 -7.660185256585098E-11
peri 6.610297731932859E-14 -1.624992592747336E-13 5.472074238642305E-10 -6.640923469299288E-9 6.767395213125481E-9 7.631207420728947E-11
i -1.852018421582947E-15 5.189347271279888E-15 -8.296347584163154E-13 -7.660185256585098E-11 7.631207420728947E-11 2.817522903088455E-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 16.1   n/a MPO453932  

146648 (2001 UM80)          Discovered 2001-Oct-20 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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