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 ]  
131423 (2001 OF77)
Classification: Main-belt Asteroid          SPK-ID: 2131423
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2304917508842504 4.8522e-08  
a 3.110308731684778 2.3234e-08 au
q 2.393408226328181 1.5721e-07 au
i 18.13193524731684 6.2824e-06 deg
node 4.94518360411122 1.4283e-05 deg
peri 308.8660866686724 1.8526e-05 deg
M 256.6188100830486 1.4535e-05 deg
tp 2459971.864022603016
(2023-Jan-27.36402260)
8.3866e-05 TDB
period 2003.566106208287
5.49
2.245e-05
6.146e-08
d
yr
n .1796796216927893 2.0133e-09 deg/d
Q 3.827209237041375 2.8589e-08 au
  Orbit Determination Parameters
   # obs. used (total)      565  
   data-arc span      11141 days (30.50 yr)  
   first obs. used      1990-10-14  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53896  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:07:33  

Additional Information
 Earth MOID = 1.42437 au 
 Jupiter MOID = 1.76688 au 
 T_jup = 3.103 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457340.5 (2015-Nov-14.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2292603965998441 4.8406e-08  
q 2.400548154089337 1.5626e-07 au
tp 2457965.221813167093
(2017-Jul-30.72181317)
7.5892e-05 TDB
node 4.988293005218098 1.4286e-05 deg
peri 308.3218117107266 1.8554e-05 deg
i 18.12203269937303 6.2787e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      565  
   data-arc span      11141 days (30.50 yr)  
   first obs. used      1990-10-14  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53896  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:07:33  

Additional Information
 Jupiter MOID = 1.76688 au 
 T_jup = 3.103 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.343185258146596E-15 -7.517933325221911E-15 8.621921586120605E-13 -8.885415203848063E-16 1.854861776041269E-13 7.053204422829147E-15
q -7.517933325221911E-15 2.441735035422527E-14 -2.315420590828076E-12 7.018658166200915E-15 -5.599793054726299E-13 -2.220366810914107E-14
tp 8.621921586120605E-13 -2.315420590828076E-12 5.759644883952686E-9 5.805814015116316E-13 9.104942744465596E-10 -6.141549726106624E-12
node -8.885415203848063E-16 7.018658166200915E-15 5.805814015116316E-13 2.040863490209859E-10 -1.93308030775849E-10 -1.040405856450178E-11
peri 1.854861776041269E-13 -5.599793054726299E-13 9.104942744465596E-10 -1.93308030775849E-10 3.442654427038211E-10 9.237927038014228E-12
i 7.053204422829147E-15 -2.220366810914107E-14 -6.141549726106624E-12 -1.040405856450178E-11 9.237927038014228E-12 3.942260675356911E-11

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 14.64   n/a MPCxxxxx  

131423 (2001 OF77)          Discovered 2001-Jul-29 by Ondrejov at Ondrejov
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ 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
1933-Jul-22 04:27 00:02 Jupiter 1.9709057016167 1.9709038362111 1.97090756709827 4.79401717867867 4.70351725232915 2427275.685325890 2.45300777662623 673.050224892335 31.7998902246138 82.7615208749902 2180853.29615596 T 23 CATAB v2.0g-lin.ifort 2021-Jul-09 01:07:35 2021-Jul-09 01:07
1943-Oct-06 17:31 00:03 Jupiter 1.84498059497413 1.84497930491242 1.8449818850433 3.34973032358108 3.20975108063584 2431004.230196085 2.60829443153551 353.035888957175 51.7247942802605 80.5031562701202 2025016.02836974 T 23 CATAB v2.0g-lin.ifort 2021-Jul-09 01:07:35 2021-Jul-09 01:07
2004-Sep-05 06:10 < 00:01 Jupiter 1.94399548433963 1.94399479709891 1.94399617158907 4.7582281835747 4.66575943295464 2453253.757107896 0.424924256071808 317.702908905914 22.7718012781376 85.6290524773579 2804178.86483928 T 23 CATAB v2.0g-lin.ifort 2021-Jul-09 01:07:35 2021-Jul-09 01:07
2014-Nov-23 11:02 < 00:01 Jupiter 1.85055153582448 1.85055075150645 1.8505523201424 3.38855022230859 3.2506684714136 2456984.959393852 0.474966372526898 257.239608036354 32.5297203651909 87.3413575252548 2037297.26182999 T 23 CATAB v2.0g-lin.ifort 2021-Jul-09 01:07:35 2021-Jul-09 01:07
2075-Oct-20 13:02 00:02 Jupiter 1.91659660988386 1.91659538376651 1.9165978360255 4.72713241714163 4.63269888998527 2479231.043042935 1.74445546136833 409.29340193549 28.3401728391052 82.7148861715467 2243267.46287182 T 23 CATAB v2.0g-lin.ifort 2021-Jul-09 01:07:35 2021-Jul-09 01:07
2086-Jan-07 16:28 00:03 Jupiter 1.85926527484199 1.85926395155832 1.8592665981377 3.41234225332281 3.27611703831873 2482963.186044293 2.61634935503547 412.819892362262 50.2179333550819 81.4252139919774 2090683.15191172 T 23 CATAB v2.0g-lin.ifort 2021-Jul-09 01:07:35 2021-Jul-09 01:07
2146-Dec-03 17:08 00:04 Jupiter 1.88642961582253 1.88642718871496 1.88643204300506 4.69795013008536 4.60138227830971 2505207.214125839 3.77937974086527 638.554876346775 31.6930845075931 79.7812151473534 2092867.69841257 T 23 CATAB v2.0g-lin.ifort 2021-Jul-09 01:07:35 2021-Jul-09 01:07
2157-Feb-22 07:55 00:05 Jupiter 1.86846750470528 1.86846493095319 1.86847007857027 3.43491143182127 3.3002980322289 2508940.829586126 5.19098951650944 841.175149055696 54.8515046823236 79.6039152199958 2047448.98931543 T 23 CATAB v2.0g-lin.ifort 2021-Jul-09 01:07:35 2021-Jul-09 01:07
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-20 23:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin