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137671 (1999 XP35)
Classification: Amor [NEO]          SPK-ID: 2137671
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 59 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1841897890429298 7.824e-08  
a 1.434674780693709 3.9717e-09 au
q 1.170422335492523 1.1356e-07 au
i 21.1034466662358 1.0537e-05 deg
node 263.4643528077688 1.1298e-05 deg
peri 198.2697869051744 1.8636e-05 deg
M 188.6554964236337 2.0789e-05 deg
tp 2459695.242010866422
(2022-Apr-25.74201087)
3.7302e-05 TDB
period 627.6660276060702
1.72
2.6064e-06
7.136e-09
d
yr
n .57355342517588 2.3817e-09 deg/d
Q 1.698927225894895 4.7033e-09 au
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      16476 days (45.11 yr)  
   first obs. used      1976-05-02  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41785  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-22 06:23:43  

Additional Information
 Earth MOID = .194267 au 
 Jupiter MOID = 3.49838 au 
 T_jup = 4.590 
[ 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 18.57   n/a MPO637683  

137671 (1999 XP35)          Discovered 1999-Dec-06 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ 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
1901-Dec-16 23:51 < 00:01 Earth 0.196565129533092 0.196564006839825 0.196566252699073 11.0121801069585 11.010949110372 2415735.493721574 0.303978281817944 507.15060533217 16.8433482679044 -83.9520997839354 1500813.07390354 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
1913-Dec-11 12:16 < 00:01 Earth 0.277698692475143 0.277694235146622 0.27770314990799 11.1854891444806 11.1846313165258 2420113.010886204 0.379200937596643 349.64807534563 23.3946342553143 -50.685100627158 1206513.81858803 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
1925-Dec-02 13:18 < 00:01 Earth 0.410950835975273 0.410946113743102 0.410955558223165 11.4762382877591 11.4756733070468 2424487.054152221 0.595826466133769 267.810521671341 27.344594744733 -28.6081321664324 1078649.73277165 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
1932-Dec-28 05:32 < 00:01 Earth 0.393478366392429 0.393473739933449 0.393482992910054 12.8222008776416 12.8216727512571 2427069.730900442 0.368135686354343 336.275482041382 46.9649989358636 47.2870293944174 868495.625139283 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
1944-Dec-22 11:55 < 00:01 Earth 0.258766978304438 0.258763941370817 0.258770015710549 11.6851734964068 11.6842922756596 2431446.996571435 0.204732283967317 576.821917762419 20.6104042162331 74.9134665068423 1500522.53841551 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
1956-Dec-18 02:18 < 00:01 Earth 0.193997443517118 0.193997041060417 0.193997846050769 11.0532614057818 11.0520187514955 2435825.595830182 0.15312453005122 288.269542243262 14.8989425901017 87.3229035908795 1673036.45644598 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
1968-Dec-13 00:36 < 00:01 Earth 0.250390141363085 0.250388540938641 0.250391741816864 11.0918913277311 11.0909319087449 2440203.525194434 0.151541011626928 161.292245613949 21.1949073285728 -61.2361900819829 1343555.22778878 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
1980-Dec-05 03:13 < 00:01 Earth 0.376474629113363 0.376473046568309 0.376476211662804 11.435561352072 11.4349424372163 2444578.634369042 0.188186867650448 103.757488838905 24.3542596229555 -41.906442030626 1442810.60293505 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
1987-Dec-31 00:18 < 00:01 Earth 0.430672661277286 0.43067130758599 0.43067401496961 13.1099539158125 13.1094819922034 2447160.512613232 0.18827884087444 86.459629366523 53.2225872927433 52.4569688648317 985681.126686893 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
1999-Dec-24 15:19 < 00:01 Earth 0.288134151821875 0.288133499741049 0.28813480390609 11.949419215335 11.9486453152652 2451537.138086709 0.0865488468540659 89.0250872328562 26.1394920352427 76.8649208334602 1365310.83928474 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
2011-Dec-20 03:26 < 00:01 Earth 0.199133010316809 0.199132678333473 0.199133342300418 11.1463166088378 11.1451161117498 2455915.642927265 0.0449082249758495 30.671852957167 14.7499997888951 73.7730557972376 1678146.92432375 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
2023-Dec-15 08:12 < 00:01 Earth 0.226963482488455 0.226962784269269 0.226964180709331 11.0284204207216 11.0273558757383 2460293.841911516 0.0620639685216385 54.5085725745902 23.5264420450383 -58.5354025574098 1124680.22800737 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
2035-Dec-08 10:15 < 00:01 Earth 0.342831789999779 0.342830278200039 0.342833301800806 11.3612537210236 11.3605696233914 2464669.926910863 0.158358979705572 83.4134008871501 28.5623507567749 -27.1007811833284 911257.492505797 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
2043-Jan-02 08:37 < 00:01 Earth 0.46852679441768 0.468524683983651 0.468528904856769 13.3545907605833 13.3541649129239 2467251.859071981 0.249025766301794 138.118516886697 54.0380573045545 44.7285067492308 987136.745453081 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
2047-Nov-25 18:50 < 00:01 Earth 0.481439908364247 0.481437831474356 0.481441985254193 11.1857130235023 11.185218238871 2469040.284912911 0.423467872757224 103.794036788084 34.7262755862246 4.00385582757705 793113.556321196 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
2054-Dec-25 21:34 < 00:01 Earth 0.320529903577758 0.32052747288193 0.320532334372174 12.2511892281121 12.2505106847863 2471627.398929493 0.143579183257658 313.635706076739 29.890905119632 67.8990909336162 1295596.31879507 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
2066-Dec-21 03:18 < 00:01 Earth 0.211956721946382 0.211955285694876 0.211958158538037 11.2836089418359 11.2824948048857 2476005.637250279 0.13844494909409 437.818426419089 14.129740454111 80.7660305964177 1829451.01553317 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
2078-Dec-16 15:00 < 00:01 Earth 0.208866228591826 0.208864358994439 0.208868098321154 10.9909390186513 10.9897782858251 2480384.125315336 0.203187157239241 283.639534456202 19.7576414506147 -71.2151812464175 1304274.19048124 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
2090-Dec-10 11:33 < 00:01 Earth 0.310415116520754 0.310410827747564 0.310419405330822 11.2576601463092 11.2568976529446 2484760.981271109 0.373413630894348 273.17871135475 26.0012158823231 -38.6842889047063 1012915.71500953 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
2102-Nov-30 18:12 < 00:01 Earth 0.44787931661147 0.447874128182568 0.447884505043732 11.3587395156252 11.3582157569581 2489133.258389045 0.797654462096073 265.941234830101 30.7778209947581 -13.4660550728984 618695.371296738 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
2109-Dec-28 03:46 < 00:01 Earth 0.353858905596311 0.35385317345111 0.353864638000204 12.5496143035525 12.5490142883827 2491717.656696192 0.334585269341118 559.614302054116 36.757813057355 59.4936978186983 1114504.17647188 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
2121-Dec-23 03:50 < 00:01 Earth 0.231264124083567 0.231260152119815 0.231268097760604 11.4616833609838 11.4606781094842 2496095.659902294 0.275426882763886 1015.44544795366 16.0969361868576 78.7863351510947 1718423.60982771 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
2133-Dec-18 19:05 < 00:01 Earth 0.197887483677738 0.197885739869215 0.197889228089602 10.9983136432795 10.9970893312875 2500474.295156567 0.333020164395129 563.033677113143 17.496308566024 -81.2927294967833 1451519.91985742 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
2145-Dec-13 02:52 < 00:01 Earth 0.280736933831425 0.28073036521817 0.280743502610836 11.1588310671633 11.1579804960021 2504851.619614765 0.54289503341133 473.230586948462 24.5519326604587 -46.2794363752326 1099126.64628872 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
2157-Dec-03 20:13 00:01 Earth 0.413821464305233 0.413813213117152 0.41382971551759 11.4033782960094 11.4028136496086 2509225.342673389 1.06359511935305 440.909243195154 29.1932243085991 -21.1097651499035 789761.366105243 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
2164-Dec-29 16:01 < 00:01 Earth 0.389999943533145 0.389990714941334 0.3900091724396 12.8741314964648 12.8736008090077 2511808.167375363 0.606167044333846 720.959180024468 44.1860512828694 50.4648860325679 946488.596202048 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
2176-Dec-24 06:38 < 00:01 Earth 0.256286317288707 0.256279028401995 0.256293609552675 11.6922286238515 11.691339410137 2516185.776621030 0.432386849064414 1513.73640732022 20.3940650966819 76.1249839685874 1513528.11105924 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
2188-Dec-19 20:22 < 00:01 Earth 0.194361241947841 0.194360926189992 0.194361557756843 11.0480245696447 11.046783653455 2520564.348729704 0.459339567848227 936.876971322051 15.522915369457 -89.8381008797493 1615595.4637971 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
2200-Dec-15 15:46 < 00:01 Earth 0.253264988682986 0.25325672281957 0.253273255055849 11.0706849208792 11.0697345757566 2524942.157171208 0.695116955241283 701.271254403684 23.1138327747238 -54.0432679494207 1167260.96093135 T 59 CATAB v2.0g-lin.ifort 2021-Jun-22 06:23:45 2021-Jun-22 06:23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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