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504033 (2005 UN157)
Classification: Apollo [NEO]          SPK-ID: 2504033
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8559707965854639 3.8412e-07  
a 2.516955553997936 6.0465e-08 au
q .3625151034721151 9.6713e-07 au
i 44.46952852493123 0.00012735 deg
node 21.64510342245909 1.7475e-05 deg
peri 210.0239935786573 7.0696e-05 deg
M 11.30212124928703 8.2778e-05 deg
tp 2459350.710151349081
(2021-May-16.21015135)
0.00033476 TDB
period 1458.517843751726
3.99
5.2557e-05
1.439e-07
d
yr
n .2468259140895917 8.8943e-09 deg/d
Q 4.671396004523757 1.1222e-07 au
  Orbit Determination Parameters
   # obs. used (total)      80  
   data-arc span      4373 days (11.97 yr)  
   first obs. used      2005-10-29  
   last obs. used      2017-10-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .65374  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 18:18:13  

Additional Information
 Earth MOID = .419196 au 
 Jupiter MOID = 1.36597 au 
 T_jup = 2.581 
[ 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 18.3   n/a MPO428210  

504033 (2005 UN157)          Discovered 2005-Oct-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-11-07

[ 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
1912-Oct-06 03:36 00:05 Mercury 0.00660154474076364 0.00652147044062137 0.00668191991809497 45.9407191510979 45.9402335441915 2419681.650185435 4.9126909469104 4576.73136582461 105.650706897001 29.0684908140385 4522.28700523788 T 21 CATAB v2.0g-lin.ifort 2021-Apr-14 18:18:14 2021-Apr-14 18:18
2037-Apr-09 04:17 00:02 Mercury 0.0812391168725282 0.0812053776077509 0.0812728575963617 54.2747983914207 54.2747649901768 2465157.678777422 1.69271391182519 1768.39416543644 129.03311119964 -17.9829703184896 29755.1629699576 T 21 CATAB v2.0g-lin.ifort 2021-Apr-14 18:18:14 2021-Apr-14 18:18
2064-Dec-19 08:19 00:03 Mercury 0.0735772922174789 0.0735237087618401 0.0736308887065498 54.5415721823441 54.5415354833118 2475273.846397525 3.14223504926901 3087.27012966664 126.933663280845 -30.0777323591822 43503.4156402895 T 21 CATAB v2.0g-lin.ifort 2021-Apr-14 18:18:14 2021-Apr-14 18:18
2076-Oct-11 23:47 00:05 Mercury 0.0645785642537134 0.0645242570254375 0.0646329082403749 46.7836242741326 46.7835755275811 2479588.491281072 5.13449149080448 3641.14445611401 143.115861889343 41.9668045061419 45151.130464412 T 21 CATAB v2.0g-lin.ifort 2021-Apr-14 18:18:14 2021-Apr-14 18:18
2084-Oct-05 23:29 00:04 Earth 0.467887606326634 0.467852653791296 0.467922561726398 43.8684338904531 43.8683040771121 2482504.478246038 3.50226852064607 2530.94754548988 177.63221181426 46.6237689819033 283498.736085403 T 21 CATAB v2.0g-lin.ifort 2021-Apr-14 18:18:14 2021-Apr-14 18:18
2088-Sep-17 15:23 00:03 Earth 0.37910188262733 0.379079112714089 0.379124660329317 31.1277688696612 31.1275430769088 2483947.140835175 3.03158626428315 2970.80555888131 182.054502156029 -67.7878620302275 291826.071470607 T 21 CATAB v2.0g-lin.ifort 2021-Apr-14 18:18:14 2021-Apr-14 18:18
2127-Sep-23 06:00 00:06 Earth 0.329285152094603 0.329264335698328 0.329305999376214 33.5054661970612 33.5052246920712 2498195.750134604 5.6876668314234 5203.15727343889 171.014769168688 -78.6364245155956 284937.23084183 T 21 CATAB v2.0g-lin.ifort 2021-Apr-14 18:18:14 2021-Apr-14 18:18
2158-Sep-29 10:14 00:08 Earth 0.320468890607507 0.320435795502605 0.320502032499626 37.7100373754211 37.7098168946157 2509524.926169209 7.70560585388334 6354.21110293211 162.490869382224 75.0055894016331 284969.484288321 T 21 CATAB v2.0g-lin.ifort 2021-Apr-14 18:18:14 2021-Apr-14 18:18
2189-Oct-03 06:37 00:08 Earth 0.352554122736807 0.352490152845746 0.352618125313289 40.4367348958956 40.4365479949572 2520851.775370933 7.99846328843922 6237.33260214398 156.620598428291 59.2631055324451 287997.427885796 T 21 CATAB v2.0g-lin.ifort 2021-Apr-14 18:18:14 2021-Apr-14 18:18
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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