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58398 (1995 VY4)
Classification: Main-belt Asteroid          SPK-ID: 2058398
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1206684116767662 3.1288e-08  
a 2.342084167850062 8.4118e-09 au
q 2.059468591302294 7.2346e-08 au
i 3.938721850022272 3.9508e-06 deg
node 147.6891263938349 5.6113e-05 deg
peri 103.7613976546167 5.8673e-05 deg
M 83.96940586483677 1.7549e-05 deg
tp 2458695.133948245617
(2019-Jul-30.63394825)
6.3597e-05 TDB
period 1309.18847762877
3.58
7.0531e-06
1.931e-08
d
yr
n .274979505358953 1.4814e-09 deg/d
Q 2.624699744397829 9.4269e-09 au
  Orbit Determination Parameters
   # obs. used (total)      790  
   data-arc span      9636 days (26.38 yr)  
   first obs. used      1994-06-07  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5095  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:51:15  

Additional Information
 Earth MOID = 1.04947 au 
 Jupiter MOID = 2.40681 au 
 T_jup = 3.551 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457420.5 (2016-Feb-02.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1199943796162971 3.1296e-08  
q 2.061303882798946 7.2291e-08 au
tp 2457385.905942166469
(2015-Dec-29.40594217)
6.3633e-05 TDB
node 147.7243650133254 5.6142e-05 deg
peri 103.8883970686534 5.8738e-05 deg
i 3.937484652147998 3.95e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      790  
   data-arc span      9636 days (26.38 yr)  
   first obs. used      1994-06-07  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5095  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:51:15  

Additional Information
 Jupiter MOID = 2.40681 au 
 T_jup = 3.551 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.794318168036538E-16 -2.250950350196875E-15 -7.198377575866738E-13 -8.860264560066721E-15 -1.867628031498203E-13 -1.105904294171176E-15
q -2.250950350196875E-15 5.226005956911797E-15 1.686976266320061E-12 2.096848525348535E-14 4.382773614519141E-13 2.593265646144059E-15
tp -7.198377575866738E-13 1.686976266320061E-12 4.049132789479806E-9 1.289093825829923E-11 1.115208283421197E-9 1.256404875160212E-12
node -8.860264560066721E-15 2.096848525348535E-14 1.289093825829923E-11 3.151922869173962E-9 -3.140584525956447E-9 9.306973268325536E-11
peri -1.867628031498203E-13 4.382773614519141E-13 1.115208283421197E-9 -3.140584525956447E-9 3.450169144799759E-9 -9.249844609729585E-11
i -1.105904294171176E-15 2.593265646144059E-15 1.256404875160212E-12 9.306973268325536E-11 -9.249844609729585E-11 1.560250713172925E-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 16.2   n/a MPO474464  

58398 (1995 VY4)          Discovered 1995-Nov-14 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ 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-09 11:44 00:18 Psych 0.0455629703662739 0.0455617021431888 0.045564238607978 2.21086410395177 2.21086398384179 2422576.988832575 18.0999954854716 96.2073454158703 49.1189327458649 -61.5584196457836 126227.25115664 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 22:51:17 2020-Nov-12 22:51
2143-Dec-28 17:15 00:02 Hebe 0.0472979480840516 0.0472939928764024 0.0473019142549977 6.58713046496301 6.58713044500951 2504136.218561657 1.74025523730683 1205.85907888661 58.9940045485153 81.000001462472 118436.768015949 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 22:51:17 2020-Nov-12 22:51
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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