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118447 (1999 VM81)
Classification: Main-belt Asteroid          SPK-ID: 2118447
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2191489214084316 4.0076e-08  
a 3.122891742951996 2.2502e-08 au
q 2.438513385808769 1.3373e-07 au
i 9.850660556550535 4.9035e-06 deg
node 206.324289668616 2.4854e-05 deg
peri 143.5878179285389 2.7941e-05 deg
M 283.7673329970595 1.4572e-05 deg
tp 2459427.347197173833
(2021-Jul-31.84719717)
8.4335e-05 TDB
period 2015.736783505852
5.52
2.1786e-05
5.965e-08
d
yr
n .1785947465689808 1.9303e-09 deg/d
Q 3.807270100095223 2.7433e-08 au
  Orbit Determination Parameters
   # obs. used (total)      582  
   data-arc span      21856 days (59.84 yr)  
   first obs. used      1960-10-17  
   last obs. used      2020-08-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5031  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:11:32  

Additional Information
 Earth MOID = 1.44162 au 
 Jupiter MOID = 1.72239 au 
 T_jup = 3.156 
[ 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 15.0   n/a MPO396014  
diameter diameter 3.897 km 0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.140   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118447 (1999 VM81)          Discovered 1999-Nov-05 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ 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
1969-Mar-18 03:32 00:02 Jupiter 1.73933096060046 1.73933046311361 1.73933145808731 2.41276951849213 2.20170233148596 2440298.647411986 1.63672650065935 160.691486322282 23.5054692959071 87.1064430457618 1951912.16270133 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 18:11:33 2020-Nov-12 18:11
1979-Jun-09 06:43 00:01 Jupiter 1.87274130620776 1.87274048677219 1.87274212564238 1.55737041995243 1.23321622220354 2444033.780018468 1.40754780339329 102.473675347408 57.5811610666308 2.10738176695971 1419728.6914373 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 18:11:33 2020-Nov-12 18:11
2052-May-29 14:00 00:01 Jupiter 1.73489885185001 1.73489835385997 1.73489934984025 2.556005773766 2.35726828316304 2470687.083262309 1.24916659481121 136.064502263448 20.7460576536238 89.8204324240864 2015405.81006928 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 18:11:33 2020-Nov-12 18:11
2062-Sep-01 14:55 00:02 Jupiter 1.86024666260644 1.8602459113272 1.86024741388579 1.61166102532871 1.29876677193168 2474434.121346362 1.95331125399691 84.3800253360141 69.8695939371792 14.9969174772819 2330828.55282738 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 18:11:33 2020-Nov-12 18:11
2135-Aug-11 19:11 00:04 Jupiter 1.73878744102119 1.73878664941095 1.73878823265298 2.67883426528248 2.49035840415628 2501075.299577874 4.02747940054111 395.850437140749 19.4330357870545 -88.8686250119924 2069505.1781047 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 18:11:33 2020-Nov-12 18:11
2145-Nov-27 16:06 00:05 Jupiter 1.84524042285034 1.84523880777758 1.8452420379252 1.74795708842749 1.4619480247712 2504836.171036548 5.1645672058357 177.919831705299 75.7921819145552 12.6139678420625 1700817.52564267 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 18:11:33 2020-Nov-12 18:11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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