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150996 (2001 UR28)
Classification: Main-belt Asteroid          SPK-ID: 2150996
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1944255112112667 5.9235e-08  
a 2.595501079650103 1.4417e-08 au
q 2.090869455389737 1.4936e-07 au
i 3.187552066494526 4.8265e-06 deg
node 141.9887461542304 9.6558e-05 deg
peri 268.209763955591 9.7308e-05 deg
M 192.5432061916029 1.4017e-05 deg
tp 2459910.945092560392
(2022-Nov-27.44509256)
6.2688e-05 TDB
period 1527.32073453156
4.18
1.2725e-05
3.484e-08
d
yr
n .235706876663607 1.9639e-09 deg/d
Q 3.100132703910469 1.722e-08 au
  Orbit Determination Parameters
   # obs. used (total)      400  
   data-arc span      8203 days (22.46 yr)  
   first obs. used      1997-12-04  
   last obs. used      2020-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60521  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:20:56  

Additional Information
 Earth MOID = 1.10343 au 
 Jupiter MOID = 2.28423 au 
 T_jup = 3.388 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457359.5 (2015-Dec-03.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1934176813267506 5.9097e-08  
q 2.095243405953297 1.4891e-07 au
tp 2456856.609095410545
(2014-Jul-18.10909541)
5.2884e-05 TDB
node 141.9996990894616 9.6508e-05 deg
peri 268.552909927236 9.7267e-05 deg
i 3.187231394078897 4.8265e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      400  
   data-arc span      8203 days (22.46 yr)  
   first obs. used      1997-12-04  
   last obs. used      2020-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60521  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:20:56  

Additional Information
 Jupiter MOID = 2.28423 au 
 T_jup = 3.388 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.492493810208562E-15 -8.777568649862718E-15 3.846731175751395E-13 -5.746126110393171E-14 1.534693213789772E-14 -5.807495425759586E-16
q -8.777568649862718E-15 2.217354958276274E-14 -8.956780668072808E-13 1.443140227965618E-13 -1.699675193423365E-14 1.427992888785688E-15
tp 3.846731175751395E-13 -8.956780668072808E-13 2.796667945738551E-9 -1.268663969995347E-11 6.735893994476318E-10 -1.673226095175398E-12
node -5.746126110393171E-14 1.443140227965618E-13 -1.268663969995347E-11 9.31376570589991E-9 -9.299992555654387E-9 3.935059162817226E-11
peri 1.534693213789772E-14 -1.699675193423365E-14 6.735893994476318E-10 -9.299992555654387E-9 9.460831535694541E-9 -3.968406263245539E-11
i -5.807495425759586E-16 1.427992888785688E-15 -1.673226095175398E-12 3.935059162817226E-11 -3.968406263245539E-11 2.32947447618892E-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 16.48   n/a E2021B55  

150996 (2001 UR28)          Discovered 2001-Oct-16 by LINEAR at Socorro
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

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