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JPL Small-Body Database Browser
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74502 (1999 DG2)
Classification: Main-belt Asteroid          SPK-ID: 2074502
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1740276065906501 6.951e-08  
a 2.602734112414361 1.1648e-08 au
q 2.14978652423905 1.7783e-07 au
i 13.65427316768928 7.0125e-06 deg
node 12.60630818243304 1.7827e-05 deg
peri 25.68617155253579 2.4325e-05 deg
M 39.21555267612618 1.3273e-05 deg
tp 2458433.429807756654
(2018-Nov-10.92980776)
5.6652e-05 TDB
period 1533.709589772532
4.20
1.0296e-05
2.819e-08
d
yr
n .2347250107847291 1.5757e-09 deg/d
Q 3.055681700589672 1.3676e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1246  
   data-arc span      8061 days (22.07 yr)  
   first obs. used      1997-10-29  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48367  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:48:12  

Additional Information
 Earth MOID = 1.16264 au 
 Jupiter MOID = 2.42731 au 
 T_jup = 3.353 
[ 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 13.9   n/a MPO379109  

74502 (1999 DG2)          Discovered 1999-Feb-19 by Kobayashi, T. at Oizumi
Reference: 20040415/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
1915-May-29 00:49 00:01 Juno 0.0208115091298371 0.0207904066703484 0.0208326135894702 7.58567264057441 7.58567256351098 2420646.533994335 1.43269570981013 1100.22739231722 46.9130580888705 17.0319578501765 19618.092690779 T 17 CATAB v2.0f-lin.ifort 2019-Dec-04 06:48:25 2019-Dec-04 06:48
2140-Oct-22 00:04 00:03 Eunom 0.037855994494793 0.0378163029835904 0.0378956951103857 6.16686734513185 6.16686728500138 2502973.502673081 3.11502668686725 2184.35745913889 29.1566338457465 -25.0690481872381 82291.9765697889 T 17 CATAB v2.0f-lin.ifort 2019-Dec-04 06:48:25 2019-Dec-04 06:48
2167-Feb-02 04:05 00:04 Hebe 0.010996153076598 0.0109577840500417 0.0110345221736031 7.30405936181494 7.30405928441289 2512572.669858520 4.25914833943762 1913.45253545084 43.6170654846373 -1.31420005079993 1217.65276446626 T 17 CATAB v2.0f-lin.ifort 2019-Dec-04 06:48:25 2019-Dec-04 06:48

Alternate Designations
 1999 DG2 = 2001 QP25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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