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190839 (2001 SE104)
Classification: Main-belt Asteroid          SPK-ID: 2190839
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1789800776280944 6.0882e-08  
a 2.348093893232971 1.1628e-08 au
q 1.927831865944079 1.3992e-07 au
i 2.812811395189835 8.2254e-06 deg
node 335.7869022637029 0.00012847 deg
peri 311.2444212291998 0.00013094 deg
M 176.9974264911592 2.8015e-05 deg
tp 2458554.345956290814
(2019-Mar-11.84595629)
0.0001005 TDB
period 1314.230722710117
3.60
9.7621e-06
2.673e-08
d
yr
n .2739245048674805 2.0347e-09 deg/d
Q 2.768355920521862 1.3709e-08 au
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      7616 days (20.85 yr)  
   first obs. used      2000-03-03  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56425  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:20  

Additional Information
 Earth MOID = .910976 au 
 Jupiter MOID = 2.39804 au 
 T_jup = 3.536 
[ 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 17.43   n/a MPCxxxxx  

190839 (2001 SE104)          Discovered 2001-Sep-20 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ 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
1985-Jul-06 16:14 < 00:01 Hebe 0.0431506188603409 0.0431461369953375 0.0431551010642414 7.25306598374181 7.25306596387863 2446253.176550357 0.432854642345728 298.613770765685 60.6448058595224 -42.6462050624975 73828.8080354529 T 9 CATAB v2.0f-lin.ifort 2021-Apr-13 22:09:20 2021-Apr-13 22:09
2061-Jan-20 10:35 < 00:01 Hebe 0.0445454225062064 0.0445424372245593 0.0445484096172729 7.50043429597848 7.50043427737184 2473844.940693118 0.597939513068953 517.231635088755 62.1757165797209 74.7242186040598 103427.521940961 T 9 CATAB v2.0f-lin.ifort 2021-Apr-13 22:09:20 2021-Apr-13 22:09

Alternate Designations
 2001 SE104 = 2004 JA37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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