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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
(2017 RJ16)
Classification: Mars-crossing Asteroid          SPK-ID: 3781590
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5427624539044762 4.8589e-06  
a 3.104151824729364 3.6939e-05 au
q 1.419334763047197 1.897e-06 au
i 22.1452902255841 8.3746e-05 deg
node 41.37923148542681 4.9331e-05 deg
peri .8271865788020691 9.2072e-05 deg
M 237.0786668136591 0.0042462 deg
tp 2460078.583619358682
(2023-May-14.08361936)
0.035737 TDB
period 1997.619913517269
5.47
0.035658
9.763e-05
d
yr
n .1802144630036939 3.2168e-06 deg/d
Q 4.788968886411531 5.6989e-05 au
  Orbit Determination Parameters
   # obs. used (total)      47  
   data-arc span      123 days  
   first obs. used      2017-09-13  
   last obs. used      2018-01-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .44756  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 19:28:28  

Additional Information
 Earth MOID = .427507 au 
 Jupiter MOID = .650055 au 
 T_jup = 2.878 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458060.5 (2017-Nov-03.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5427094277678574 4.8144e-06  
q 1.42049183147918 2.1302e-06 au
tp 2458081.526323190469
(2017-Nov-24.02632319)
0.00014312 TDB
node 41.37848711075742 4.8889e-05 deg
peri .9022898275236602 9.2044e-05 deg
i 22.13778852906012 8.2406e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      47  
   data-arc span      123 days  
   first obs. used      2017-09-13  
   last obs. used      2018-01-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .44756  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 19:28:28  

Additional Information
 Jupiter MOID = .650055 au 
 T_jup = 2.878 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.317861689253591E-11 9.789741936994561E-12 2.601133497248116E-11 -1.760104664815395E-10 -3.586173945029666E-11 3.830464830239861E-10
q 9.789741936994561E-12 4.537688796314433E-12 -5.182591549723421E-11 -8.737994137620553E-11 -5.620710715234409E-11 1.706349007171728E-10
tp 2.601133497248116E-11 -5.182591549723421E-11 2.048193159412146E-8 2.361937315037307E-9 1.263190930986993E-8 -3.795400538109706E-10
node -1.760104664815395E-10 -8.737994137620553E-11 2.361937315037307E-9 2.390133167466694E-9 1.361032803975167E-9 -3.377378521593972E-9
peri -3.586173945029666E-11 -5.620710715234409E-11 1.263190930986993E-8 1.361032803975167E-9 8.472158596101505E-9 -9.716963932484455E-10
i 3.830464830239861E-10 1.706349007171728E-10 -3.795400538109706E-10 -3.377378521593972E-9 -9.716963932484455E-10 6.790706683482838E-9

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 19.7   n/a MPO435136  

[ 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
1945-Nov-03 18:43 14:50 Earth 0.433419333927703 0.430556868209199 0.445016952093227 11.8750137305517 11.8744960290522 2431763.279909365 889.582463158067 3131379.16966609 73.4835953132835 -83.4125842863767 768176.328700387 T 10 CATAB v2.0g-lin.ifort 2021-Apr-15 19:28:29 2021-Apr-15 19:28
1951-Apr-22 06:47 3_15:48 Mars 0.0401685434239379 0.032921373394953 0.0604285022423986 11.5462092959772 11.54559200164 2433758.782832450 5268.42154683251 1379253.94823942 58.4101946949096 -55.0454296831804 84223.175855521 T 10 CATAB v2.0g-lin.ifort 2021-Apr-15 19:28:29 2021-Apr-15 19:28
1958-Dec-14 11:20 17:51 Jupiter 1.9124528580665 1.90379179418658 1.92111450753543 8.47435345675659 8.42192789690461 2436551.972236458 1070.5954144003 435131.453371831 283.856180043516 -10.1650682154667 115820.967499455 T 10 CATAB v2.0g-lin.ifort 2021-Apr-15 19:28:29 2021-Apr-15 19:28
1970-Aug-25 14:36 01:27 Jupiter 0.618088581536558 0.616623659881966 0.619558911341692 5.34381222797024 5.08090039310167 2440824.108389259 86.7940834091699 118741.961997068 126.427706997465 52.9267641775839 362494.558980977 T 10 CATAB v2.0g-lin.ifort 2021-Apr-15 19:28:29 2021-Apr-15 19:28
1982-Jun-21 07:25 01:33 Jupiter 1.08047252523109 1.0774603849817 1.08348505322303 5.93988628610707 5.80640808656167 2445141.809066147 93.2257754464183 153682.641224016 182.542616527101 -16.7443939616847 160059.897719095 T 10 CATAB v2.0g-lin.ifort 2021-Apr-15 19:28:29 2021-Apr-15 19:28
2028-Nov-03 11:31 01:23 Earth 0.432888917196683 0.432745918925039 0.433107891484001 11.7463559899441 11.7458319765134 2462078.979682243 82.7437934011643 286146.771591631 84.0485110218755 -88.1925342097035 672471.855521228 T 10 CATAB v2.0g-lin.ifort 2021-Apr-15 19:28:29 2021-Apr-15 19:28
2039-Nov-05 00:47 02:56 Earth 0.451222976917417 0.450409535805769 0.452278866213423 11.6738319652815 11.673326120677 2466097.532760599 175.933408096741 523691.40997411 87.2433708563564 -84.8926397999411 664995.426504119 T 10 CATAB v2.0g-lin.ifort 2021-Apr-15 19:28:29 2021-Apr-15 19:28
2041-Dec-31 23:49 03:16 Jupiter 1.69374524916231 1.69122963525428 1.696260788788 8.12974397359784 8.06799603916285 2466885.492264052 196.320964640048 124175.414908294 227.122895393629 0.430169005068995 2972.82543121896 T 10 CATAB v2.0g-lin.ifort 2021-Apr-15 19:28:29 2021-Apr-15 19:28
2050-Dec-28 09:53 20:06 Mars 0.0657321454725445 0.0594749141587341 0.0721903757090927 10.911826325198 10.9114271726708 2470168.911777799 1206.08643743688 365226.570992348 37.8918660924195 29.6137631208561 128269.421256287 T 10 CATAB v2.0g-lin.ifort 2021-Apr-15 19:28:29 2021-Apr-15 19:28
2053-Sep-09 18:42 00:20 Jupiter 0.598293447181494 0.598028177027072 0.598566125383865 5.31079425249125 5.03716922719737 2471155.278871298 20.4071061735018 108705.359668726 83.8038629592399 83.7838535559931 871261.025326331 T 10 CATAB v2.0g-lin.ifort 2021-Apr-15 19:28:29 2021-Apr-15 19:28
2065-Jul-25 13:43 06:30 Jupiter 1.21656891080187 1.20633719251301 1.22679733569454 5.92437335215502 5.80566292185515 2475492.071325107 390.336639468585 499959.597912604 248.875711341645 -1.59377572876928 10613.3727711295 T 10 CATAB v2.0g-lin.ifort 2021-Apr-15 19:28:29 2021-Apr-15 19:28
2125-Feb-01 15:28 1_09:09 Jupiter 1.67917986886443 1.66354033704394 1.69481688193908 8.35982977446845 8.29927112648337 2497232.144142397 1989.08293301165 772975.138713135 325.954626216375 0.386879227226436 1683.13705598354 T 10 CATAB v2.0g-lin.ifort 2021-Apr-15 19:28:29 2021-Apr-15 19:28
2136-Sep-30 19:14 02:13 Jupiter 0.618292871362259 0.616757303191876 0.619890261834906 5.31515611757891 5.05084248525457 2501491.301424371 133.031084007833 325969.52148983 73.2049840180696 77.5274771812387 585331.477712477 T 10 CATAB v2.0g-lin.ifort 2021-Apr-15 19:28:29 2021-Apr-15 19:28
2148-Sep-11 07:53 13:03 Jupiter 1.13410496431703 1.1137639313397 1.15442813635457 5.46711477542609 5.32875364097655 2505854.828189373 783.2883989619 987716.323890042 228.522700783969 1.52686531613309 9714.55266848956 T 10 CATAB v2.0g-lin.ifort 2021-Apr-15 19:28:29 2021-Apr-15 19:28
2167-Nov-09 12:13 1_19:19 Earth 0.429071049615195 0.402763387966989 0.485136803647571 10.834918324433 10.8343451735192 2512853.009246288 2598.93776565325 6043198.05564695 236.830455193697 -69.4127729805146 223702.934472725 T 10 CATAB v2.0g-lin.ifort 2021-Apr-15 19:28:29 2021-Apr-15 19:28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-27 11:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin