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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08873287535413556 4.2488e-08  
a 2.635915125671717 1.307e-08 au
q 2.402022797381408 1.1547e-07 au
i 2.776780033807461 4.5865e-06 deg
node 58.01531826265171 0.0001023 deg
peri 354.6610296652998 0.00010637 deg
M 8.84062757255851 2.9099e-05 deg
tp 2458962.113708677467
(2020-Apr-22.61370868)
0.00012628 TDB
period 1563.131662621611
4.28
1.1626e-05
3.183e-08
d
yr
n .2303068951953956 1.713e-09 deg/d
Q 2.869807453962026 1.423e-08 au
  Orbit Determination Parameters
   # obs. used (total)      503  
   data-arc span      8013 days (21.94 yr)  
   first obs. used      1998-11-11  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56969  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:21:54  

Additional Information
 Earth MOID = 1.41297 au 
 Jupiter MOID = 2.41348 au 
 T_jup = 3.390 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456998.5 (2014-Dec-07.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0881839581581817 4.2901e-08  
q 2.404061670049776 1.1663e-07 au
tp 2457391.683001945789
(2016-Jan-04.18300195)
0.00012427 TDB
node 58.0367974583068 0.00010232 deg
peri 353.1374590273695 0.00010642 deg
i 2.777783374900786 4.5869e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      503  
   data-arc span      8013 days (21.94 yr)  
   first obs. used      1998-11-11  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56969  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:21:54  

Additional Information
 Jupiter MOID = 2.41348 au 
 T_jup = 3.390 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.840474170513249E-15 -4.978746774497143E-15 -2.200377039522967E-12 -1.425949512684446E-14 -5.089479358127053E-13 -2.890968735278306E-16
q -4.978746774497143E-15 1.360365856016734E-14 6.079474625494322E-12 3.872284796919227E-14 1.398459160921391E-12 8.593329040303189E-16
tp -2.200377039522967E-12 6.079474625494322E-12 1.544389946707481E-8 3.277473449230503E-11 3.66719923756759E-9 1.032181987980646E-13
node -1.425949512684446E-14 3.872284796919227E-14 3.277473449230503E-11 1.04689182138211E-8 -1.04484962827579E-8 -1.680464794957827E-10
peri -5.089479358127053E-13 1.398459160921391E-12 3.66719923756759E-9 -1.04484962827579E-8 1.132530468665777E-8 1.678597130246368E-10
i -2.890968735278306E-16 8.593329040303189E-16 1.032181987980646E-13 -1.680464794957827E-10 1.678597130246368E-10 2.103978247282836E-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 18 CATAB v2.0f-lin.ifort 2020-Nov-12 21:21:56 2020-Nov-12 21:21
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 18 CATAB v2.0f-lin.ifort 2020-Nov-12 21:21:56 2020-Nov-12 21:21
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 18 CATAB v2.0f-lin.ifort 2020-Nov-12 21:21:56 2020-Nov-12 21:21

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