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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 
[ show covariance matrix ]

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1986-May-01 21:48 < 00:01 Jupiter 1.97248262851185 1.97248232457642 1.97248293244716 2.29330736661367 2.09771772901664 2446552.408099609 0.54840494396822 50.9108679255146 3.26901105363654 -86.644674104152 3120349.459081 T 24 CATAB v2.0g-lin.ifort 2021-Aug-25 21:48:11 2021-Aug-25 21:48
2116-Sep-21 11:23 00:02 Jupiter 1.97504581721791 1.97504541263817 1.97504622179866 2.28079751267483 2.08430153210942 2494176.974258310 1.83273002363595 106.943351856415 3.67755186282871 -84.2970963569778 3389112.43488625 T 24 CATAB v2.0g-lin.ifort 2021-Aug-25 21:48:11 2021-Aug-25 21:48
2164-Nov-05 13:59 00:03 Jupiter 1.98607868477294 1.98607818087397 1.98607918867406 2.48981891362438 2.31219345022887 2511754.082732440 2.69956374475538 160.764229846186 5.0423535297993 -89.8286388309099 2752752.90500514 T 24 CATAB v2.0g-lin.ifort 2021-Aug-25 21:48:11 2021-Aug-25 21:48

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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