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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8560267994703897 3.851e-07  
a 2.516711494392796 6.1676e-08 au
q .3623390086573892 9.6973e-07 au
i 44.47863738738457 0.00012763 deg
node 21.66509239589329 1.7677e-05 deg
peri 210.0171053277526 7.1865e-05 deg
M 273.5508246895208 8.3907e-05 deg
tp 2459350.692571807629
(2021-May-16.19257181)
0.00034443 TDB
period 1458.305708504136
3.99
5.3607e-05
1.468e-07
d
yr
n .2468618190964031 9.0746e-09 deg/d
Q 4.671083980128203 1.1447e-07 au
  Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      4373 days (11.97 yr)  
   first obs. used      2005-10-29  
   last obs. used      2017-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .65557  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Nov-11 06:21:27  

Additional Information
 Earth MOID = .419208 au 
 Jupiter MOID = 1.3677 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 0.00660761756711873 0.00652610111849398 0.00668944365782822 45.9411706918236 45.9406855379421 2419681.649934905 4.99561963462102 4655.90335464794 107.063604524049 28.9940353206183 4456.22976842617 T 20 CATAB v2.0e-lin.ifort 2017-Nov-27 16:41:48 2018-Dec-18 04:02
2037-Apr-09 04:17 00:02 Mercury 0.081239690441338 0.0812050329010456 0.0812743497505239 54.2748526755827 54.2748192747423 2465157.678758690 1.68381915799457 1829.25199590183 125.318594497164 -19.173054136204 32407.4823003701 T 20 CATAB v2.0e-lin.ifort 2017-Nov-27 16:41:48 2018-Dec-18 04:02
2064-Dec-19 08:19 00:03 Mercury 0.0735764689059466 0.0735215254988923 0.0736314271080301 54.5414864589456 54.5414497595925 2475273.846432088 3.14430243459322 3197.02399519285 124.079816451219 -31.0332851963706 45751.7441902416 T 20 CATAB v2.0e-lin.ifort 2017-Nov-27 16:41:48 2018-Dec-18 04:02
2076-Oct-11 23:48 00:05 Mercury 0.0645796617614131 0.0645240926825792 0.0646352641100983 46.7835475525797 46.7834988069727 2479588.491351890 5.33568817649951 3611.00406206404 139.915957395143 39.896368003717 44309.507006363 T 20 CATAB v2.0e-lin.ifort 2017-Nov-27 16:41:48 2018-Dec-18 04:02
2084-Oct-05 23:29 00:03 Earth 0.467888561256184 0.467852891978254 0.467924233551289 43.8684695373069 43.8683397243364 2482504.478291245 3.20645078171709 2590.40700580432 178.837893247607 46.7782546837982 282144.789146098 T 20 CATAB v2.0e-lin.ifort 2017-Nov-27 16:41:48 2018-Dec-18 04:02
2088-Sep-17 15:23 00:03 Earth 0.379101599204579 0.379078286726272 0.379124919797497 31.1278025472907 31.1275767546138 2483947.140873182 2.94891328586883 3032.6551335765 183.583172427426 -67.7106851866104 288073.689271407 T 20 CATAB v2.0e-lin.ifort 2017-Nov-27 16:41:48 2018-Dec-18 04:02
2127-Sep-23 06:00 00:06 Earth 0.329285078088506 0.329263817856595 0.329306370305092 33.5055053186118 33.5052638138496 2498195.750181635 5.53119483791924 5294.33868586549 172.958527998089 -78.590321110516 280849.773133355 T 20 CATAB v2.0e-lin.ifort 2017-Nov-27 16:41:48 2018-Dec-18 04:02
2158-Sep-29 10:14 00:07 Earth 0.320469201730869 0.320435618592279 0.320502833311587 37.7100497558321 37.7098292753132 2509524.926179403 7.41656200754936 6464.31170133732 164.565492241182 75.0440322755697 281258.922111369 T 20 CATAB v2.0e-lin.ifort 2017-Nov-27 16:41:48 2018-Dec-18 04:02
2189-Oct-03 06:36 00:08 Earth 0.352553535579679 0.352488498689315 0.352618606393983 40.4366906240675 40.4365037226132 2520851.775297788 7.61735283305996 6350.97996160216 158.908742138039 59.3143689782891 283987.786924645 T 20 CATAB v2.0e-lin.ifort 2017-Nov-27 16:41:48 2018-Dec-18 04:02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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