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155218 (2005 VL7)
Classification: Main-belt Asteroid          SPK-ID: 2155218
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .19401703797059 1.7185e-07  
a 2.548116667892397 2.175e-08 au
q 2.053738619584425 4.4975e-07 au
i 18.47773951124972 5.952e-06 deg
node 303.9278231195523 2.7344e-05 deg
peri 92.18241304986751 3.9584e-05 deg
M 221.82694401585 2.9131e-05 deg
tp 2459570.727623743003
(2021-Dec-22.22762374)
0.00012544 TDB
period 1485.687228130998
4.07
1.9022e-05
5.208e-08
d
yr
n .2423121052557488 3.1025e-09 deg/d
Q 3.04249471620037 2.597e-08 au
  Orbit Determination Parameters
   # obs. used (total)      822  
   data-arc span      6883 days (18.84 yr)  
   first obs. used      2001-08-23  
   last obs. used      2020-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47746  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 13:12:05  

Additional Information
 Earth MOID = 1.15566 au 
 Jupiter MOID = 2.56078 au 
 T_jup = 3.344 
[ 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 14.7   n/a MPO436786  
diameter diameter 4.654 km 0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.128   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

155218 (2005 VL7)          Discovered 2005-Nov-13 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

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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
2079-Oct-12 04:13 00:03 Hebe 0.0262200408724043 0.0262060391083066 0.0262340713074951 10.4560183742155 10.45601835154 2480683.675779678 2.86065059482473 1539.74657789158 59.0309341706213 63.0898792337633 59256.674629068 T 29 CATAB v2.0f-lin.ifort 2020-Nov-12 13:12:07 2020-Nov-12 13:12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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