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249974 (2001 UZ229)
Classification: Main-belt Asteroid          SPK-ID: 2249974
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1099198880861888 5.1395e-08  
a 2.722817719573508 1.9469e-08 au
q 2.423525900558896 1.3697e-07 au
i 1.454070943333344 5.416e-06 deg
node 26.6179064178991 0.00021278 deg
peri 333.0941900389552 0.00021485 deg
M 109.8986608975791 2.6923e-05 deg
tp 2458699.524855628670
(2019-Aug-04.02485563)
0.00012259 TDB
period 1641.066874707039
4.49
1.7601e-05
4.819e-08
d
yr
n .2193694879523217 2.3529e-09 deg/d
Q 3.02210953858812 2.1609e-08 au
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      7059 days (19.33 yr)  
   first obs. used      2001-09-19  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47526  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:47:30  

Additional Information
 Earth MOID = 1.41847 au 
 Jupiter MOID = 2.41286 au 
 T_jup = 3.349 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457417.5 (2016-Jan-30.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1114037951390747 5.2122e-08  
q 2.417938726237491 1.3919e-07 au
tp 2457052.773883262889
(2015-Jan-30.27388326)
0.00011957 TDB
node 26.65621486394636 0.00021202 deg
peri 331.7984626193317 0.000214 deg
i 1.459215467284013 5.4213e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      7059 days (19.33 yr)  
   first obs. used      2001-09-19  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47526  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:47:30  

Additional Information
 Jupiter MOID = 2.41286 au 
 T_jup = 3.349 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.716662719584479E-15 -7.202081805815308E-15 -1.136004649399703E-12 -2.406572140781754E-15 -2.855018216517563E-13 -6.961009253203301E-16
q -7.202081805815308E-15 1.937321154440275E-14 2.872287777652671E-12 1.303909746620942E-15 7.430386234097608E-13 1.937741410126427E-15
tp -1.136004649399703E-12 2.872287777652671E-12 1.429675734088868E-8 1.074969684915027E-11 3.503358883979471E-9 1.478305537038557E-12
node -2.406572140781754E-15 1.303909746620942E-15 1.074969684915027E-11 4.495394551730415E-8 -4.493592797395344E-8 -1.87244205067425E-10
peri -2.855018216517563E-13 7.430386234097608E-13 3.503358883979471E-9 -4.493592797395344E-8 4.579713385041513E-8 1.87546461504319E-10
i -6.961009253203301E-16 1.937741410126427E-15 1.478305537038557E-12 -1.87244205067425E-10 1.87546461504319E-10 2.939032306714971E-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 17.0   n/a MPO454854  
diameter diameter 2.709 km 0.661 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249974 (2001 UZ229)          Discovered 2001-Oct-17 by NEAT at Palomar
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

Alternate Designations
 2001 UZ229 = 2005 NP92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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