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JPL Small-Body Database Browser
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49114 (1998 ST7)
Classification: Main-belt Asteroid          SPK-ID: 2049114
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1659537777439211 3.0437e-08  
a 2.416754867974841 7.9533e-09 au
q 2.015685267753405 7.1817e-08 au
i 2.162627195915085 5.1917e-06 deg
node 4.534457629244336 9.0241e-05 deg
peri 109.6314205904973 9.2126e-05 deg
M 180.8351138674826 1.8072e-05 deg
tp 2459683.463866415507
(2022-Apr-13.96386642)
7.0173e-05 TDB
period 1372.294522754473
3.76
6.7742e-06
1.855e-08
d
yr
n .2623343560953717 1.295e-09 deg/d
Q 2.817824468196278 9.2732e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1246  
   data-arc span      10098 days (27.65 yr)  
   first obs. used      1991-11-10  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50371  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:20:13  

Additional Information
 Earth MOID = 1.03335 au 
 Jupiter MOID = 2.28042 au 
 T_jup = 3.496 
[ 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 15.2   n/a MPO337650  

49114 (1998 ST7)          Discovered 1998-Sep-20 by Spacewatch at Kitt Peak
Reference: 20021120/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
2114-Dec-07 06:11 00:08 Psych 0.0389845287260635 0.0389823537153221 0.0389867065548483 2.97157287432278 2.97157276988095 2493522.757757617 8.21267214916993 566.646067829048 37.5241065466839 79.65361163874 152653.855143297 T 22 CATAB v2.0f-lin.ifort 2020-Feb-23 09:20:31 2020-Feb-23 09:20

Alternate Designations
 1998 ST7 = 1991 VA13 = 2000 AD137 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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