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192458 (1998 DG1)
Classification: Main-belt Asteroid          SPK-ID: 2192458
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3382192724994402 4.8865e-08  
a 3.129227785743486 1.8567e-08 au
q 2.07086264056429 1.4785e-07 au
i 16.67645924615201 5.1147e-06 deg
node 12.18396518755053 1.9577e-05 deg
peri 54.5337960645052 2.3172e-05 deg
M 78.52782599631591 7.6182e-06 deg
tp 2458759.462754278353
(2019-Oct-02.96275428)
4.2517e-05 TDB
period 2021.874494109154
5.54
1.7995e-05
4.927e-08
d
yr
n .1780525947821591 1.5847e-09 deg/d
Q 4.187592930922682 2.4846e-08 au
  Orbit Determination Parameters
   # obs. used (total)      749  
   data-arc span      8425 days (23.07 yr)  
   first obs. used      1998-02-19  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4824  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:16:11  

Additional Information
 Earth MOID = 1.12797 au 
 Jupiter MOID = 1.59876 au 
 T_jup = 3.061 
[ 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 15.17   n/a E2021B55  

192458 (1998 DG1)          Discovered 1998-Feb-19 by Klet at Klet
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ 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
1983-Mar-16 23:03 00:01 Jupiter 1.63906082587886 1.63905955479229 1.6390620969658 3.3754914202921 3.2187569291062 2445410.460636691 1.22603710616747 89.0824050713015 47.9093470249571 -54.7996916577512 1510340.0951552 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 22:16:13 2021-Apr-13 22:16
1993-Nov-01 11:00 < 00:01 Jupiter 1.75764772992249 1.7576466807822 1.75764877906798 3.9107617444351 3.78553083297185 2449292.958153442 0.702374168033983 174.893452572524 18.9553857856441 -74.7023171585578 2586031.99097058 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 22:16:13 2021-Apr-13 22:16
2067-Aug-19 14:04 00:04 Jupiter 1.88001524001152 1.88001397180193 1.8800165100185 0.779198861021686 n/a 2476247.085978094 4.01781675500613 4096.44905605193 44.7117930862972 89.3735279384442 6288223.92762319 F 25 CATAB v2.0f-lin.ifort 2021-Apr-13 22:16:13 2021-Apr-13 22:16
2077-Jul-05 10:28 00:02 Jupiter 1.6153380324981 1.61533686975372 1.61533919524559 3.45083271715326 3.29537883438055 2479854.936032327 1.64915508721801 132.963378034484 14.3779266653128 -67.2545795775846 2027133.42254756 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 22:16:13 2021-Apr-13 22:16
2161-Mar-28 04:38 00:05 Jupiter 1.66369873610638 1.66369721791406 1.66370025429973 2.80292919702792 2.61498983370426 2510435.692760118 4.55411455240439 137.907371676342 76.4844129913152 46.6555013584252 1114313.93544708 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 22:16:13 2021-Apr-13 22:16
2171-Oct-06 07:44 00:05 Jupiter 1.82557277929942 1.8255691829996 1.82557637570124 3.81151145067519 3.6877726245379 2514279.822093666 4.5101143233573 717.961881522147 9.73288078221002 -76.8402136157197 2142460.08422734 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 22:16:13 2021-Apr-13 22:16

Alternate Designations
 1998 DG1 = 2002 RG100 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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