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181057 (2005 PT18)
Classification: Main-belt Asteroid          SPK-ID: 2181057
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2826942164838769 6.2003e-08  
a 3.089427158004545 2.9653e-08 au
q 2.21606396818844 1.9378e-07 au
i 13.63167635274088 6.9029e-06 deg
node 308.4362801220416 2.7477e-05 deg
peri 17.25526095524164 2.9897e-05 deg
M 312.0288395282089 1.6111e-05 deg
tp 2459464.797521608095
(2021-Sep-07.29752161)
9.1537e-05 TDB
period 1983.423099277835
5.43
2.8556e-05
7.818e-08
d
yr
n .1815043901278936 2.6132e-09 deg/d
Q 3.96279034782065 3.8035e-08 au
  Orbit Determination Parameters
   # obs. used (total)      341  
   data-arc span      7142 days (19.55 yr)  
   first obs. used      2000-11-06  
   last obs. used      2020-05-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58955  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:02  

Additional Information
 Earth MOID = 1.20551 au 
 Jupiter MOID = 1.40706 au 
 T_jup = 3.121 
[ 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 14.9   n/a MPO396423  
diameter diameter 2.732 km 0.593 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.285   0.240 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181057 (2005 PT18)          Discovered 2005-Aug-09 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ 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
1920-Sep-14 08:02 00:04 Jupiter 1.58368735113021 1.58368309283158 1.58369160944461 3.22025885825546 3.0496529496101 2422581.834788585 4.46670181704206 347.566599031435 80.119187417414 52.5165627621487 1631924.85224069 T 14 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:03 2021-Apr-13 21:29
1930-Nov-24 20:06 00:05 Jupiter 1.66318975875204 1.66318545181516 1.6631940667007 3.21181997849306 3.04913688021335 2426305.337486282 4.49392591103611 2155.33325092546 36.662386718685 -84.1210431107654 1719388.43653457 T 14 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:03 2021-Apr-13 21:29
1991-Jun-09 19:33 00:01 Jupiter 1.4168425717092 1.41684172740177 1.41684341601671 3.30539615265157 3.11929410303099 2448417.314703921 1.07527422479967 146.769975163359 42.9982419379854 87.3958888174951 1899185.21183074 T 14 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:03 2021-Apr-13 21:29
2001-Jul-02 15:23 < 00:01 Jupiter 1.9481155634912 1.94811430135705 1.94811682562778 3.04940524808944 2.90332412692191 2452093.141245699 0.939193346644588 153.913512336751 27.5999375890157 -68.118059378866 1864466.42029836 T 14 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:03 2021-Apr-13 21:29
2062-Mar-26 13:04 00:02 Jupiter 1.40022192060062 1.40022124168327 1.40022259952767 3.32292369054818 3.13559906109698 2474275.044214050 1.93389443005618 237.337163812187 21.6318939438498 -83.4120129188571 2038590.18649059 T 14 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:03 2021-Apr-13 21:29
2122-Oct-28 21:15 00:06 Jupiter 1.78144829612927 1.78144301990975 1.78145357236288 2.83038743033278 2.65709541577135 2496405.385254708 5.88356436790398 380.45902539012 94.3776935852688 37.3676891668957 1338219.11766645 T 14 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:03 2021-Apr-13 21:29
2132-Dec-29 08:40 00:06 Jupiter 1.51587881748672 1.5158750555453 1.51588257976789 3.32202226876538 3.14933305277363 2500119.861344572 5.51976688460634 1189.14586076092 21.6339378640934 -80.9861437164024 1912319.49632885 T 14 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:03 2021-Apr-13 21:29
2193-Jul-02 15:11 00:08 Jupiter 1.54759774577495 1.54759178934232 1.54760370228658 3.10761941430127 2.92620396600901 2522220.132344983 8.0934880021019 653.68605658599 65.5503418406574 61.4043875799484 1595188.55161402 T 14 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:03 2021-Apr-13 21:29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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