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135156 (2001 QS229)
Classification: Main-belt Asteroid          SPK-ID: 2135156
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2182022707850584 3.9087e-08  
a 3.052654460898535 2.1576e-08 au
q 2.386558325608337 1.2639e-07 au
i 6.920097658043227 5.2895e-06 deg
node 303.0131665685341 4.4918e-05 deg
peri 335.8527152845934 4.7117e-05 deg
M 271.6982365256167 1.5766e-05 deg
tp 2459678.339200440287
(2022-Apr-08.83920044)
8.7228e-05 TDB
period 1948.116383976945
5.33
2.0653e-05
5.654e-08
d
yr
n .1847938875525932 1.9591e-09 deg/d
Q 3.718750596188734 2.6283e-08 au
  Orbit Determination Parameters
   # obs. used (total)      463  
   data-arc span      8128 days (22.25 yr)  
   first obs. used      1999-01-11  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52186  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:20:46  

Additional Information
 Earth MOID = 1.37026 au 
 Jupiter MOID = 1.4644 au 
 T_jup = 3.189 
[ 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 15.38   n/a E2021B55  

135156 (2001 QS229)          Discovered 2001-Aug-24 by LONEOS at Anderson Mesa
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ 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
1918-Jul-21 11:32 00:03 Jupiter 1.43419830167264 1.43419779971396 1.4341988036393 1.62481001823647 1.20781973866639 2421795.980209037 3.46894491758975 833.193465267835 93.0709438116162 -75.9943508383563 2282746.06039968 T 21 CATAB v2.0g-lin.ifort 2021-May-04 09:20:48 2021-May-04 09:20
1966-Aug-01 22:04 00:02 Jupiter 1.49849979081807 1.49849899760937 1.49850058403725 1.92127897924188 1.60025589086592 2439339.419631758 1.6589138231051 750.676333621389 53.7093555592041 -87.4634722723729 1867672.39212396 T 21 CATAB v2.0g-lin.ifort 2021-May-04 09:20:48 2021-May-04 09:20
2014-Sep-20 06:56 < 00:01 Jupiter 1.71682506255329 1.71682439579685 1.71682572931764 2.21622462664902 1.98114116050682 2456920.789021078 0.303384457652471 409.065873548022 28.1455539228569 -85.5899971675144 1728626.85632601 T 21 CATAB v2.0g-lin.ifort 2021-May-04 09:20:48 2021-May-04 09:20
2023-Dec-06 16:31 < 00:01 Jupiter 1.76823202834436 1.76823124006954 1.76823281661808 1.59053202799909 1.25369358387188 2460285.188315693 0.508014726179393 105.784465208887 65.4984447810302 -11.3781637178093 1339128.81898816 T 21 CATAB v2.0g-lin.ifort 2021-May-04 09:20:48 2021-May-04 09:20
2072-Mar-06 04:49 00:02 Jupiter 1.5346052540805 1.53460417021825 1.53460633794476 1.41665019397093 0.950263909624501 2477907.700741625 2.08990583652121 458.809005729053 203.742701450066 -39.7514896636679 1945633.16395952 T 21 CATAB v2.0g-lin.ifort 2021-May-04 09:20:48 2021-May-04 09:20
2120-Apr-01 03:17 00:04 Jupiter 1.43405320851899 1.43405268924214 1.43405372785837 1.75950559480245 1.3836767526326 2495464.636835189 3.60085289523549 1073.85892069565 56.640263297824 -82.6726736891394 2143248.91438301 T 21 CATAB v2.0g-lin.ifort 2021-May-04 09:20:48 2021-May-04 09:20
2168-Apr-05 11:18 00:06 Jupiter 1.4673777593301 1.46737547722369 1.46738004165404 1.96725133591876 1.6479098430004 2513000.971021587 6.06461592219979 1183.15454276291 71.2117364588447 89.0772948246687 1556269.5317121 T 21 CATAB v2.0g-lin.ifort 2021-May-04 09:20:48 2021-May-04 09:20

Alternate Designations
 2001 QS229 = 1999 AO17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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