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11845 (1987 RZ)
Classification: Main-belt Asteroid          SPK-ID: 2011845
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2108419028030156 3.9485e-08  
a 3.194113964436284 1.6947e-08 au
q 2.520660898404855 1.2924e-07 au
i 2.031293477219725 3.5397e-06 deg
node 125.5228677228025 0.00013188 deg
peri 224.7717439053592 0.00013217 deg
M 286.8076805548557 1.1647e-05 deg
tp 2459624.423065873233
(2022-Feb-13.92306587)
6.9307e-05 TDB
period 2085.086316040888
5.71
1.6594e-05
4.543e-08
d
yr
n .1726547228431097 1.3741e-09 deg/d
Q 3.867567030467714 2.052e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1833  
   data-arc span      14265 days (39.06 yr)  
   first obs. used      1981-07-02  
   last obs. used      2020-07-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52347  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:59:17  

Additional Information
 Earth MOID = 1.51347 au 
 Jupiter MOID = 1.56694 au 
 T_jup = 3.160 
[ 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 13.25   n/a E2021B10  
diameter diameter 10.046 km 0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11845 (1987 RZ)          Discovered 1987-Sep-12 by Debehogne, H. at La Silla
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

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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
1908-Dec-17 04:38 00:03 Jupiter 1.64383499088562 1.64383454598034 1.64383543579193 1.61109645273346 1.25103450497346 2418292.693244519 3.36068598587676 200.781964955431 49.8049370039039 -78.2699121016394 2455663.54260501 T 24 CATAB v2.0f-lin.ifort 2021-Apr-12 22:59:27 2021-Apr-12 22:59
1920-Jul-12 17:53 00:03 Jupiter 1.63775878996253 1.63775840648111 1.63775917344405 1.62588963614375 1.26852247468065 2422518.245140252 2.58684373306254 166.601756295276 45.4069066528979 -67.8901265070397 2569594.31478206 T 24 CATAB v2.0f-lin.ifort 2021-Apr-12 22:59:27 2021-Apr-12 22:59
1932-Jan-24 13:41 00:02 Jupiter 1.65549607156653 1.65549557745356 1.65549656567988 1.72758384177316 1.40045010358162 2426731.069800558 2.04993284168155 119.608545204636 35.6978559961871 -64.9616267380625 2355171.94564136 T 24 CATAB v2.0f-lin.ifort 2021-Apr-12 22:59:27 2021-Apr-12 22:59
1943-Jul-14 06:50 00:02 Jupiter 1.71001921195737 1.71001861580545 1.71001980810908 1.97558599967416 1.70654081948192 2430919.784404529 1.6727261153897 70.9218213150239 20.34300615306 -76.5423287796284 1924738.21018035 T 24 CATAB v2.0f-lin.ifort 2021-Apr-12 22:59:27 2021-Apr-12 22:59
1954-Nov-30 00:52 00:01 Jupiter 1.80105390948607 1.80105327087265 1.80105454809917 2.42659310895141 2.2243580446153 2435076.536189703 1.37532659702352 47.118564283678 6.20786749584253 87.0177795931225 1702614.75549964 T 24 CATAB v2.0f-lin.ifort 2021-Apr-12 22:59:27 2021-Apr-12 22:59
1966-Mar-13 06:09 00:01 Jupiter 1.92925746455008 1.92925685639401 1.92925807270603 3.15895540389878 3.016772759382 2439197.755924462 1.09251877869051 39.3816109247343 19.2408049686876 -88.1740560583885 2048496.97919135 T 24 CATAB v2.0f-lin.ifort 2021-Apr-12 22:59:27 2021-Apr-12 22:59
2089-Apr-12 23:49 00:02 Jupiter 1.91686810566851 1.91686738965169 1.91686882168532 2.50779278128773 2.32492321134433 2484154.492287697 1.8272271847339 59.4300211008404 8.78101549187178 -83.142696757745 1974768.0838917 T 24 CATAB v2.0f-lin.ifort 2021-Apr-12 22:59:27 2021-Apr-12 22:59
2100-Sep-05 23:53 00:02 Jupiter 1.81531149690865 1.81531071742299 1.8153122763943 2.08392320829503 1.84649342211658 2488317.495051637 2.16483728411958 83.8413123123436 9.04792301564163 87.6980617331063 1776288.75108404 T 24 CATAB v2.0f-lin.ifort 2021-Apr-12 22:59:27 2021-Apr-12 22:59
2112-Feb-25 18:27 00:03 Jupiter 1.74312902033029 1.74312825412355 1.74312978653723 1.83243245983395 1.54465765688191 2492507.268895181 2.56466690333634 116.528011979749 30.7181389286855 80.6266595293515 1732433.66889657 T 24 CATAB v2.0f-lin.ifort 2021-Apr-12 22:59:27 2021-Apr-12 22:59
2123-Sep-06 12:35 00:03 Jupiter 1.70152768984568 1.70152702128696 1.70152835840547 1.70735918248818 1.38545046656865 2496718.024280409 3.08526878454654 156.49187141905 46.0946708555547 79.724133948749 1878593.91371403 T 24 CATAB v2.0f-lin.ifort 2021-Apr-12 22:59:27 2021-Apr-12 22:59
2135-Apr-01 08:49 00:04 Jupiter 1.68177646532641 1.68177595672209 1.68177697393247 1.6610415910513 1.32354228063108 2500942.867567536 3.80327525132105 204.754369794799 49.0128068561007 84.6532063917766 2168504.35304087 T 24 CATAB v2.0f-lin.ifort 2021-Apr-12 22:59:27 2021-Apr-12 22:59
2146-Oct-26 13:48 00:05 Jupiter 1.67962106431435 1.67962069636298 1.67962143226572 1.67307110817351 1.33812529561056 2505169.075140806 4.79583676145056 266.506039391208 40.8865758572341 -87.7013041695542 2541090.34940001 T 24 CATAB v2.0f-lin.ifort 2021-Apr-12 22:59:27 2021-Apr-12 22:59
2158-May-13 21:10 00:06 Jupiter 1.69858881030594 1.69858809463858 1.69858952598818 1.75757255137076 1.44628362032104 2509386.381662492 6.12776450059119 330.8634392331 27.0107439149161 -81.9999393703979 2825813.91526257 T 24 CATAB v2.0f-lin.ifort 2021-Apr-12 22:59:27 2021-Apr-12 22:59
2169-Nov-08 11:41 00:08 Jupiter 1.74408301433851 1.74408146394537 1.74408456475189 1.95326578166104 1.68639774590027 2513582.986862123 7.82256924851522 358.908801413966 13.305135536418 -82.2695726571687 2825017.92679447 T 24 CATAB v2.0f-lin.ifort 2021-Apr-12 22:59:27 2021-Apr-12 22:59
2181-Apr-07 17:58 00:10 Jupiter 1.82751933653714 1.82751670370284 1.82752196938545 2.33033135363856 2.12214043019046 2517751.248316048 9.76719541525407 320.457204847276 5.50312957472947 88.4103960238527 2337432.44245283 T 24 CATAB v2.0f-lin.ifort 2021-Apr-12 22:59:27 2021-Apr-12 22:59
2192-Aug-05 13:18 00:12 Jupiter 1.94023387306563 1.94023020099497 1.9402375451396 2.92446766374793 2.77117254772595 2521889.053876974 11.7059343909301 242.362917807594 18.5879828219163 67.695337517978 1486281.75230164 T 24 CATAB v2.0f-lin.ifort 2021-Apr-12 22:59:27 2021-Apr-12 22:59

Alternate Designations
 1987 RZ = 1981 NJ1 = 1982 UK10 = 1991 FF3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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