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48766 (1997 JY13)
Classification: Main-belt Asteroid          SPK-ID: 2048766
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 .1505504528478119 3.1543e-08  
a 2.375619009405103 7.7953e-09 au
q 2.017968491745295 7.3624e-08 au
i 1.335572759721772 3.5013e-06 deg
node 137.9682876814352 0.00017619 deg
peri 354.773750969206 0.00017682 deg
M 184.7746847917037 1.5872e-05 deg
tp 2459651.465487006199
(2022-Mar-12.96548701)
6.0351e-05 TDB
period 1337.407069541605
3.66
6.5828e-06
1.802e-08
d
yr
n .2691775811558927 1.3249e-09 deg/d
Q 2.733269527064912 8.9689e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1628  
   data-arc span      10529 days (28.83 yr)  
   first obs. used      1991-10-03  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52489  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 04:36:07  

Additional Information
 Earth MOID = 1.03234 au 
 Jupiter MOID = 2.30341 au 
 T_jup = 3.526 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456771.5 (2014-Apr-24.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1502882727688144 3.1384e-08  
q 2.01804962305876 7.3243e-08 au
tp 2456975.439367483570
(2014-Nov-13.93936748)
5.5652e-05 TDB
node 138.0213173139992 0.00017664 deg
peri 354.4965753974971 0.00017727 deg
i 1.333756199841416 3.497e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1628  
   data-arc span      10529 days (28.83 yr)  
   first obs. used      1991-10-03  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52489  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 04:36:07  

Additional Information
 Jupiter MOID = 2.30341 au 
 T_jup = 3.526 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.84931484004946E-16 -2.28999604653168E-15 5.051884649857507E-13 6.638442466700786E-15 1.111816964143841E-13 -1.569633738512021E-16
q -2.28999604653168E-15 5.364482283012833E-15 -1.095263890188637E-12 -1.441729443924243E-14 -2.400325968479424E-13 3.630220934436473E-16
tp 5.051884649857507E-13 -1.095263890188637E-12 3.097163118015773E-9 1.127897203607837E-11 8.514872021792788E-10 -4.479125914802174E-13
node 6.638442466700786E-15 -1.441729443924243E-14 1.127897203607837E-11 3.120013749188796E-8 -3.118817164748443E-8 1.338059022904298E-10
peri 1.111816964143841E-13 -2.400325968479424E-13 8.514872021792788E-10 -3.118817164748443E-8 3.142457670838819E-8 -1.338973412841879E-10
i -1.569633738512021E-16 3.630220934436473E-16 -4.479125914802174E-13 1.338059022904298E-10 -1.338973412841879E-10 1.222933912027752E-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 14.9   n/a MPO337647  

48766 (1997 JY13)          Discovered 1997-May-03 by Elst, E. W. at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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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
1931-Dec-29 14:39 < 00:01 Iris 0.027973321817324 0.0279651947700384 0.0279814505865714 5.45350231967361 5.45350228198991 2426705.110229038 0.84934325381564 534.376902039995 47.8255485716714 -40.8908879854177 57565.8623148843 T 29 CATAB v2.0f-lin.ifort 2020-Aug-25 04:36:18 2020-Aug-25 04:36

Alternate Designations
 1997 JY13 = 1999 VG8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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