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48043 (2001 DF74)
Classification: Main-belt Asteroid          SPK-ID: 2048043
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07212817731668281 3.9256e-08  
a 2.322470568237306 8.5569e-09 au
q 2.154954999278709 9.2229e-08 au
i 6.218008678695824 4.09e-06 deg
node 177.2695181466018 3.2953e-05 deg
peri 40.24196099229157 4.0877e-05 deg
M 148.6817962537465 2.4887e-05 deg
tp 2458466.576478225815
(2018-Dec-14.07647823)
8.8428e-05 TDB
period 1292.777412445765
3.54
7.1446e-06
1.956e-08
d
yr
n .2784702119129134 1.539e-09 deg/d
Q 2.489986137195904 9.1741e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1235  
   data-arc span      8651 days (23.69 yr)  
   first obs. used      1997-03-11  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53376  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:25:37  

Additional Information
 Earth MOID = 1.15261 au 
 Jupiter MOID = 2.4758 au 
 T_jup = 3.565 
[ 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 MPO385123  
rotation period rot_per 44.089 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]

48043 (2001 DF74)          Discovered 2001-Feb-19 by LINEAR at Socorro
Reference: 20020921/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
2115-Jul-06 05:30 00:07 Thisb 0.0498509359818242 0.0498386301355501 0.0498632444124926 3.65888213876774 3.65888210138656 2493733.729457902 6.53849560968895 834.574461497835 24.2418979938797 42.7287967211214 208698.871795863 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 21:25:40 2020-Dec-17 21:25
2158-May-14 23:04 < 00:01 Amphi 0.0295284588765256 0.0295151992449828 0.0295417333296498 4.71112827224957 4.7111282309251 2509387.461227920 0.469656213254468 1235.77402341176 29.8980911642151 57.6707405130239 124811.246871651 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 21:25:40 2020-Dec-17 21:25

Alternate Designations
 2001 DF74 = 1997 EP44 = 2000 AW170 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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