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21886 (1999 UZ35)
Classification: Main-belt Asteroid          SPK-ID: 2021886
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1452590178372357 3.3493e-08  
a 2.662917584341803 1.1477e-08 au
q 2.276104791458808 8.7967e-08 au
i 1.769214287133256 4.6488e-06 deg
node 191.5246798770072 0.00012449 deg
peri 311.4522984468894 0.00012563 deg
M 227.9791108679088 1.6748e-05 deg
tp 2459978.569934886478
(2023-Feb-03.06993489)
7.4916e-05 TDB
period 1587.21228084955
4.35
1.0261e-05
2.809e-08
d
yr
n .226812761181076 1.4664e-09 deg/d
Q 3.049730377224797 1.3145e-08 au
  Orbit Determination Parameters
   # obs. used (total)      940  
   data-arc span      22202 days (60.79 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-07-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48997  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 21:48:07  

Additional Information
 Earth MOID = 1.28979 au 
 Jupiter MOID = 1.9669 au 
 T_jup = 3.369 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457038.5 (2015-Jan-16.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1437940672007359 3.2957e-08  
q 2.280357689782245 8.6258e-08 au
tp 2456795.750448203554
(2014-May-18.25044820)
7.2431e-05 TDB
node 191.8627010421061 0.00012484 deg
peri 309.9143288395952 0.00012603 deg
i 1.765428396111175 4.6471e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      940  
   data-arc span      22202 days (60.79 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-07-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48997  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 21:48:07  

Additional Information
 Jupiter MOID = 1.9669 au 
 T_jup = 3.369 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.086166315797505E-15 -2.825449231566884E-15 4.464423205445387E-13 1.206512403811452E-15 1.105484115331404E-13 2.943844238713895E-17
q -2.825449231566884E-15 7.440387053803353E-15 -1.117710992814087E-12 -2.889285325708079E-15 -2.73490555196048E-13 1.609369683671878E-17
tp 4.464423205445387E-13 -1.117710992814087E-12 5.24625883019784E-9 -5.456461787326665E-12 1.267112134910766E-9 1.070548358078931E-12
node 1.206512403811452E-15 -2.889285325708079E-15 -5.456461787326665E-12 1.558412037254216E-8 -1.557754016842212E-8 1.181035585696557E-10
peri 1.105484115331404E-13 -2.73490555196048E-13 1.267112134910766E-9 -1.557754016842212E-8 1.588337703376356E-8 -1.177864818218128E-10
i 2.943844238713895E-17 1.609369683671878E-17 1.070548358078931E-12 1.181035585696557E-10 -1.177864818218128E-10 2.159575209668396E-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 15.24   n/a E2021B10  
diameter diameter 4.419 km 0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21886 (1999 UZ35)          Discovered 1999-Oct-31 by Spacewatch at Kitt Peak
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 UZ35 = 1512 T-2 = 1978 WY11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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