Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 154 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5354831542165049 2.4681e-08  
a 2.264865880852141 1.1376e-09 au
q 1.052068355096094 5.5969e-08 au
i 3.798259051526492 3.0639e-06 deg
node 207.3910131805888 5.2832e-05 deg
peri 157.034334318224 5.2922e-05 deg
M 64.84105952359286 2.1829e-06 deg
tp 2458376.261715160616
(2018-Sep-14.76171516)
7.6799e-06 TDB
period 1244.979387062693
3.41
9.38e-07
2.568e-09
d
yr
n .2891614140289951 2.1786e-10 deg/d
Q 3.477663406608189 1.7468e-09 au
  Orbit Determination Parameters
   # obs. used (total)      915  
   data-arc span      21294 days (58.30 yr)  
   first obs. used      1960-10-22  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44992  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Apr-21 07:25:28  

Additional Information
 Earth MOID = .0560425 au 
 Jupiter MOID = 1.99007 au 
 T_jup = 3.409 
[ 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 16.56   n/a MPO452189  
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. 2019-January); 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 0.222317646030436 0.22231480457238 0.222320487489453 12.4569332282288 12.4559710754083 2424745.565773833 0.320259432992112 143.556539505825 7.86296211116124 -9.28751191962824 581545.777387057 T 154 CATAB v2.0e-lin.ifort 2019-Apr-21 07:26:04 2019-Apr-21 07:26
1943-Sep-15 21:04 < 00:01 Earth 0.0685894923282283 0.0685888439324469 0.0685901407240213 6.89512144443871 6.88948519264414 2430983.378020581 0.339251001566349 32.3713150631033 7.97100962579262 3.24569208973278 284362.561958164 T 154 CATAB v2.0e-lin.ifort 2019-Apr-21 07:26:04 2019-Apr-21 07:26
1945-May-15 22:55 < 00:01 Jupiter 1.99536142239277 1.9953611493497 1.99536169543676 1.68398753157134 1.40954688961746 2431591.454645909 0.187844826956592 85.9885280537651 38.4090392405098 -67.6204273935551 4651596.66054184 T 154 CATAB v2.0e-lin.ifort 2019-Apr-21 07:26:04 2019-Apr-21 07:26
1960-Oct-07 15:15 < 00:01 Earth 0.0634090332411953 0.0634088738125798 0.0634091926698108 7.2776988999636 7.27192273589004 2437215.135134133 0.0894822520877164 10.6996992154477 7.95043003874636 -89.5700242709306 1187499.52972941 T 154 CATAB v2.0e-lin.ifort 2019-Apr-21 07:26:04 2019-Apr-21 07:26
1969-Apr-01 21:18 < 00:01 Jupiter 1.97713479951612 1.97713459318458 1.97713500584844 1.72432230737566 1.45480900609798 2440313.387338823 0.0996357508445888 77.0855354278863 34.5043761939467 -70.3237063965073 4840710.57413529 T 154 CATAB v2.0e-lin.ifort 2019-Apr-21 07:26:04 2019-Apr-21 07:26
1977-Nov-06 03:22 < 00:01 Earth 0.316265446831507 0.316265194248551 0.316265699414463 15.6062895652153 15.6057497209885 2443453.640321517 0.0529901925613802 12.6793025730978 9.79083498803558 -10.4415666943642 3285142.43070993 T 154 CATAB v2.0e-lin.ifort 2019-Apr-21 07:26:04 2019-Apr-21 07:26
1993-Mar-01 16:59 < 00:01 Jupiter 1.98654645835447 1.98654626482006 1.98654665188922 1.7312385535415 1.46438659521639 2449048.207527760 0.0894099522842293 76.7386396851838 33.6608355049991 -73.2629381573819 5003134.347682 T 154 CATAB v2.0e-lin.ifort 2019-Apr-21 07:26:04 2019-Apr-21 07:26
2001-Aug-01 20:57 < 00:01 Earth 0.478345946273238 0.478345672715884 0.478346219830592 20.177869971663 20.1775939152055 2452123.373080952 0.054159700103304 13.8738009202104 8.730282746494 13.5716069410323 5057025.85017552 T 154 CATAB v2.0e-lin.ifort 2019-Apr-21 07:26:04 2019-Apr-21 07:26
2018-Aug-23 05:48 < 00:01 Earth 0.200600035456375 0.200599789071069 0.200600281841681 11.5081073225546 11.5069530742959 2458353.741473443 0.0608452992932938 12.3317810030671 8.16743413256992 6.61179193908717 2210901.23691651 T 154 CATAB v2.0e-lin.ifort 2019-Apr-21 07:26:04 2019-Apr-21 07:26
2035-Sep-27 13:57 < 00:01 Earth 0.0536853814871661 0.0536852093527722 0.053685553621563 6.65999189470388 6.65253555316629 2464598.081540031 0.0819611883540912 9.78055810024514 8.54100860701516 79.3412465495764 1045875.5226954 T 154 CATAB v2.0e-lin.ifort 2019-Apr-21 07:26:04 2019-Apr-21 07:26
2052-Nov-02 13:38 < 00:01 Earth 0.251486111891869 0.251484492730664 0.251487731053103 13.6185495294903 13.6177715289458 2470844.068390412 0.136034866210378 80.8636506569439 9.72280721564144 -3.24088212147653 424181.528749042 T 154 CATAB v2.0e-lin.ifort 2019-Apr-21 07:26:04 2019-Apr-21 07:26
2076-Aug-02 13:34 < 00:01 Earth 0.487388712875387 0.487386227060421 0.487391198690548 20.3924821333411 20.3922140501074 2479518.065410788 0.225292010749165 124.867461633446 9.63359163687348 -6.95103927356128 937490.245411097 T 154 CATAB v2.0e-lin.ifort 2019-Apr-21 07:26:04 2019-Apr-21 07:26
2093-Aug-27 14:29 < 00:01 Earth 0.179395425309916 0.179392885086601 0.179397965534262 10.5613771741213 10.5599707725036 2485752.103162967 0.438653134954609 128.48350238219 8.63940050502146 -9.71193998312186 434585.361076051 T 154 CATAB v2.0e-lin.ifort 2019-Apr-21 07:26:04 2019-Apr-21 07:26
2110-Oct-11 14:55 < 00:01 Earth 0.0677516238919528 0.0677506145724345 0.0677526332203252 7.27932652941038 7.27392194008327 2492005.121840710 0.474850432045164 63.8459293270195 9.13066961874946 -38.474796530677 614585.016135409 T 154 CATAB v2.0e-lin.ifort 2019-Apr-21 07:26:04 2019-Apr-21 07:26
2151-Sep-12 04:58 < 00:01 Earth 0.09311927744029 0.0931175401972542 0.0931210146835588 7.72754628970651 7.72384259456439 2506950.706976763 0.6591262965771 86.945450880995 7.9614952321844 -5.1850118066609 172624.241191027 T 154 CATAB v2.0e-lin.ifort 2019-Apr-21 07:26:04 2019-Apr-21 07:26
2168-Oct-27 14:47 < 00:01 Earth 0.175052549961328 0.175051229544778 0.175053870378087 10.7463628438087 10.7449463618795 2513206.116127221 0.158490427070699 66.5627434600846 9.53538040566793 -8.56630926892256 455233.852843822 T 154 CATAB v2.0e-lin.ifort 2019-Apr-21 07:26:04 2019-Apr-21 07:26
2185-Nov-17 23:02 < 00:01 Earth 0.480912752342537 0.480911940639243 0.480913564045831 20.1679072342365 20.1676325155596 2519436.459464503 0.0862790213599977 40.6126256451592 9.27180812109845 4.8351469092443 1636040.16156016 T 154 CATAB v2.0e-lin.ifort 2019-Apr-21 07:26:04 2019-Apr-21 07:26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin