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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1205647269526498 3.1055e-08  
a 2.342041808762194 8.2576e-09 au
q 2.05967417757709 7.1591e-08 au
i 3.938736869690943 3.7159e-06 deg
node 147.6893122732166 5.6046e-05 deg
peri 103.7339280756651 5.8463e-05 deg
M 139.0076697048542 1.7347e-05 deg
tp 2458694.993604577164
(2019-Jul-30.49360458)		 6.2607e-05 TDB
period 1309.152960686356
3.58		 6.9238e-06
1.896e-08		 d
yr
n .274986965473661 1.4543e-09 deg/d
Q 2.624409439947298 9.2532e-09 au
   Orbit Determination Parameters
   # obs. used (total)      834  
   data-arc span      9716 days (26.60 yr)  
   first obs. used      1994-06-07  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50238  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 05:43:16  

Additional Information
 Earth MOID = 1.04809 au 
 Jupiter MOID = 2.40589 au 
 T_jup = 3.551 
[ 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 16.27   n/a E2021B10  

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 23 CATAB v2.0f-lin.ifort 2021-Feb-24 05:43:18 2021-Feb-24 05:43
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 23 CATAB v2.0f-lin.ifort 2021-Feb-24 05:43:18 2021-Feb-24 05:43
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