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48392 (1981 DV2)
Classification: Main-belt Asteroid          SPK-ID: 2048392
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2996769690323252 4.1755e-08  
a 2.423238724516227 9.4734e-09 au
q 1.697049888311446 1.0225e-07 au
i 22.36213430249369 7.1225e-06 deg
node 192.3740993840993 9.444e-06 deg
peri 245.8351056493713 1.5115e-05 deg
M 214.2368963056722 1.2794e-05 deg
tp 2459558.376200054905
(2021-Dec-09.87620005)
5.0455e-05 TDB
period 1377.820771715503
3.77
8.0796e-06
2.212e-08
d
yr
n .2612821691980805 1.5322e-09 deg/d
Q 3.149427560721007 1.2312e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1006  
   data-arc span      14000 days (38.33 yr)  
   first obs. used      1981-02-04  
   last obs. used      2019-06-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50925  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:05:57  

Additional Information
 Earth MOID = .814603 au 
 Jupiter MOID = 2.54393 au 
 T_jup = 3.351 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO436121  
rotation period rot_per 2.80 h n/a LCDB (Rev. 2019-August); 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.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

48392 (1981 DV2)          Discovered 1981-Feb-28 by Bus, S. J. at Siding Spring
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1981 DV2 = 1998 QB84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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