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79824 (1998 VT55)
Classification: Main-belt Asteroid          SPK-ID: 2079824
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08891161089805905 3.9167e-08  
a 2.636384196786537 1.2276e-08 au
q 2.401979030904061 1.0524e-07 au
i 2.776550253668702 4.2985e-06 deg
node 58.01221594173243 9.8879e-05 deg
peri 354.673031017297 0.00010293 deg
M 54.87696094293555 2.8308e-05 deg
tp 2458962.158851361441
(2020-Apr-22.65885136)
0.00012262 TDB
period 1563.548929014205
4.28
1.0921e-05
2.99e-08
d
yr
n .2302454328864367 1.6082e-09 deg/d
Q 2.870789362669014 1.3368e-08 au
  Orbit Determination Parameters
   # obs. used (total)      545  
   data-arc span      8104 days (22.19 yr)  
   first obs. used      1998-11-11  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55508  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:20:23  

Additional Information
 Earth MOID = 1.4121 au 
 Jupiter MOID = 2.41273 au 
 T_jup = 3.390 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457112.5 (2015-Mar-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08812638546916284 3.956e-08  
q 2.404105689009197 1.0628e-07 au
tp 2457391.774578808366
(2016-Jan-04.27457881)
0.00012192 TDB
node 58.03319588001096 9.889e-05 deg
peri 353.1612092128368 0.000103 deg
i 2.777771111127464 4.2988e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      545  
   data-arc span      8104 days (22.19 yr)  
   first obs. used      1998-11-11  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55508  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:20:23  

Additional Information
 Jupiter MOID = 2.41273 au 
 T_jup = 3.390 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.565026443883909E-15 -4.181302467287478E-15 -1.794848180146987E-12 -1.356065376207965E-14 -4.275672491554164E-13 -1.499553691681755E-16
q -4.181302467287478E-15 1.12953463847737E-14 4.90516601010518E-12 3.672389903369862E-14 1.162657015564276E-12 4.494729409443879E-16
tp -1.794848180146987E-12 4.90516601010518E-12 1.486475443689401E-8 4.185344678034366E-11 3.541859123190128E-9 -7.262318155147039E-13
node -1.356065376207965E-14 3.672389903369862E-14 4.185344678034366E-11 9.779266576875405E-9 -9.757446882589925E-9 -1.261528194053464E-10
peri -4.275672491554164E-13 1.162657015564276E-12 3.541859123190128E-9 -9.757446882589925E-9 1.060957329756982E-8 1.258247350973415E-10
i -1.499553691681755E-16 4.494729409443879E-16 -7.262318155147039E-13 -1.261528194053464E-10 1.258247350973415E-10 1.847985802512935E-11

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 15.9   n/a MPO412659  

79824 (1998 VT55)          Discovered 1998-Nov-11 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ 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
1910-Jan-20 11:41 00:05 Hebe 0.0477282326880965 0.04772113910854 0.0477353349511702 4.77921840698676 4.77921837973307 2418691.986839800 5.24775862496455 1079.23578422299 34.5950882177088 70.9498860296374 195009.233798869 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 07:20:24 2021-Feb-24 07:20
2015-Mar-09 14:02 00:02 Amphi 0.0485990724996318 0.0485975862410887 0.0486005588603893 1.79499947653039 1.7949994106311 2457091.084706383 1.76434187548022 144.860975017678 33.685150801953 62.1422881997215 191769.751575521 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 07:20:24 2021-Feb-24 07:20
2022-Nov-22 06:35 00:01 Hygie 0.0065462319339855 0.0065427920297276 0.00654967202587147 2.99852381079962 2.99852184244348 2459905.774578329 1.48489847600473 180.350141747398 47.6926623951085 -19.24938817541 8461.41834703023 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 07:20:24 2021-Feb-24 07:20

Alternate Designations
 1998 VT55 = 2002 TP56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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