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2061 Anza (1960 UA)
Classification: Amor [NEO]          SPK-ID: 2002061
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 178 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5359270616212828 2.2675e-08  
a 2.264074738068896 9.7307e-10 au
q 1.050695816404657 5.1497e-08 au
i 3.799845663874918 2.952e-06 deg
node 207.3764671471181 4.508e-05 deg
peri 157.0306597854318 4.5172e-05 deg
M 238.4096079856518 1.7364e-06 deg
tp 2459620.772838534477
(2022-Feb-10.27283853)
5.8282e-06 TDB
period 1244.327116360954
3.41
8.0219e-07
2.196e-09
d
yr
n .2893129911472341 1.8651e-10 deg/d
Q 3.477453659733135 1.4946e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1010  
   data-arc span      22148 days (60.64 yr)  
   first obs. used      1960-10-22  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45655  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-13 08:26:18  

Additional Information
 Earth MOID = .0542292 au 
 Jupiter MOID = 1.99475 au 
 T_jup = 3.410 
[ 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 16.34   n/a E2021B10  
diameter diameter 2.6 km n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543 based on assumed dark albedo (0.06)
rotation period rot_per 6.712 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2018) Minor Planet Bull. 45, 366-379.]
B-V BV 0.825   0.092 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=3.25, mean=7.04, max.=10.83) deg.
U-B UB 0.350   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=3.25 deg.
Tholen spectral type spec_T TCG:   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

2061 Anza (1960 UA)          Discovered 1960-Oct-22 by Giclas, H. L. at Flagstaff (LO)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ 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
1926-Aug-18 01:35 < 00:01 Earth 0.222317871065323 0.222315293800808 0.222320448330634 12.4569398591515 12.4559777078171 2424745.565770006 0.297844903931315 130.236442953996 7.594606032028 -9.36352832013742 610560.890850775 T 178 CATAB v2.0g-lin.ifort 2021-Jun-13 08:26:21 2021-Jun-13 08:26
1943-Sep-15 21:04 < 00:01 Earth 0.068589494951617 0.0685889058884574 0.0685900840147884 6.89512169137786 6.88948543999998 2430983.378027244 0.31742081209052 29.4178824590673 7.25776111455172 3.5606758689493 313429.814410749 T 178 CATAB v2.0g-lin.ifort 2021-Jun-13 08:26:21 2021-Jun-13 08:26
1945-May-15 22:55 < 00:01 Jupiter 1.99536148416342 1.9953612709125 1.99536169741503 1.68398777329887 1.40954718939631 2431591.454613372 0.147582311559602 72.5716846777834 36.2042982493242 -70.8355432331576 4953489.24740132 T 178 CATAB v2.0g-lin.ifort 2021-Jun-13 08:26:21 2021-Jun-13 08:26
1960-Oct-07 15:15 < 00:01 Earth 0.0634090311246336 0.0634088808303308 0.0634091814189436 7.27769824471791 7.27192207992998 2437215.135136978 0.0885149251892752 9.78294654149774 7.42810328618821 -81.0030688345222 1240941.77725381 T 178 CATAB v2.0g-lin.ifort 2021-Jun-13 08:26:21 2021-Jun-13 08:26
1969-Apr-01 21:18 < 00:01 Jupiter 1.97713479927933 1.97713461909825 1.97713497946098 1.72432256500482 1.45480931304621 2440313.387290415 0.074780528302117 65.1420639733947 33.1529419507238 -72.0514742030857 5118387.84631275 T 178 CATAB v2.0g-lin.ifort 2021-Jun-13 08:26:21 2021-Jun-13 08:26
1977-Nov-06 03:22 < 00:01 Earth 0.316265406901182 0.31626516670224 0.316265647100124 15.6062873904028 15.6057475460325 2443453.640325890 0.0518949151092652 12.042794819692 8.37416862531438 -8.32795519055338 3396827.82660243 T 178 CATAB v2.0g-lin.ifort 2021-Jun-13 08:26:21 2021-Jun-13 08:26
1993-Mar-01 16:59 < 00:01 Jupiter 1.98654636509941 1.98654617844998 1.98654655174917 1.73123886835577 1.46438695533877 2449048.207488986 0.0682972360386651 64.5700320940797 32.5174259189843 -72.3406571412468 5214562.75601017 T 178 CATAB v2.0g-lin.ifort 2021-Jun-13 08:26:21 2021-Jun-13 08:26
2001-Aug-01 20:57 < 00:01 Earth 0.478345877891568 0.478345612423249 0.478346143359887 20.1778675078185 20.1775914512878 2452123.373100304 0.0427502863281929 13.3645558398207 8.25050489023549 10.0609017526897 5140276.87133875 T 178 CATAB v2.0g-lin.ifort 2021-Jun-13 08:26:21 2021-Jun-13 08:26
2018-Aug-23 05:48 < 00:01 Earth 0.200600039478486 0.200599803702778 0.200600275254195 11.5081074813232 11.5069532331033 2458353.741487345 0.0513927503781466 11.780948206957 7.78672572573763 4.90412685168807 2271203.32491378 T 178 CATAB v2.0g-lin.ifort 2021-Jun-13 08:26:21 2021-Jun-13 08:26
2035-Sep-27 13:57 < 00:01 Earth 0.0536853959595757 0.0536852440018452 0.0536855479173063 6.65999178280945 6.65253544315631 2464598.081477415 0.0807565792320278 9.05972896473757 7.57794399077909 -88.0287484344814 1175664.73288542 T 178 CATAB v2.0g-lin.ifort 2021-Jun-13 08:26:21 2021-Jun-13 08:26
2052-Nov-02 13:38 < 00:01 Earth 0.251484152177887 0.251482587161985 0.251485717193811 13.6184881911188 13.6177101810069 2470844.068255199 0.12981604484267 78.1463926903347 8.30351446667229 -3.05732599822867 445569.161459964 T 178 CATAB v2.0g-lin.ifort 2021-Jun-13 08:26:21 2021-Jun-13 08:26
2076-Aug-02 13:34 < 00:01 Earth 0.487392001189399 0.487389647080689 0.487394355298275 20.3925784983142 20.392310418156 2479518.065234103 0.220954905669212 118.339419337471 8.9010195879488 -7.2925815861184 1039476.22037159 T 178 CATAB v2.0g-lin.ifort 2021-Jun-13 08:26:21 2021-Jun-13 08:26
2093-Aug-27 14:28 < 00:01 Earth 0.179398413527155 0.179395996756662 0.179400830298595 10.5614788817244 10.5600725170795 2485752.102831931 0.42701959727529 122.257328153328 8.11767090602056 -9.76149658411601 462253.357775963 T 178 CATAB v2.0g-lin.ifort 2021-Jun-13 08:26:21 2021-Jun-13 08:26
2110-Oct-11 14:55 < 00:01 Earth 0.0677507010931043 0.0677497138549188 0.0677516883396198 7.27928723956995 7.27388254740803 2492005.121502871 0.460199960854078 62.1709931285318 7.89781068002941 -38.0408469127903 697069.12867465 T 178 CATAB v2.0g-lin.ifort 2021-Jun-13 08:26:21 2021-Jun-13 08:26
2151-Sep-12 04:58 < 00:01 Earth 0.0931202924379088 0.0931186462253887 0.0931219386506301 7.72758312406747 7.72387948696645 2506950.706723782 0.637772500597039 82.3787050431464 7.23709751982418 -5.10405042936653 184044.276105199 T 178 CATAB v2.0g-lin.ifort 2021-Jun-13 08:26:21 2021-Jun-13 08:26
2168-Oct-27 14:47 < 00:01 Earth 0.175052448625365 0.175051148033273 0.175053749217645 10.7463571713169 10.7449406878197 2513206.116117651 0.156329038739502 65.4859144701368 8.22253283930914 -8.0739503083207 481428.810059963 T 178 CATAB v2.0g-lin.ifort 2021-Jun-13 08:26:21 2021-Jun-13 08:26
2185-Nov-17 23:02 < 00:01 Earth 0.480913560504915 0.480912897003363 0.480914224006467 20.1679291210326 20.1676544031155 2519436.459512835 0.0796837113924773 33.2136685375469 7.88460701043923 5.18370840556234 1981528.68776408 T 178 CATAB v2.0g-lin.ifort 2021-Jun-13 08:26:21 2021-Jun-13 08:26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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