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17752 (1998 DM4)
Classification: Main-belt Asteroid          SPK-ID: 2017752
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1177987190323974 3.0224e-08  
a 2.618488450792556 1.0563e-08 au
q 2.310033865488066 8.0596e-08 au
i 2.969279747823314 3.3397e-06 deg
node 266.1671370147172 8.5982e-05 deg
peri 154.36022894585 8.8249e-05 deg
M 164.4630384085162 2.0578e-05 deg
tp 2458293.466112473567
(2018-Jun-23.96611247)
8.6893e-05 TDB
period 1547.65594733373
4.24
9.3646e-06
2.564e-08
d
yr
n .2326098385239954 1.4075e-09 deg/d
Q 2.926943036097046 1.1807e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1761  
   data-arc span      8607 days (23.56 yr)  
   first obs. used      1996-10-04  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53038  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:40:31  

Additional Information
 Earth MOID = 1.3232 au 
 Jupiter MOID = 2.36356 au 
 T_jup = 3.394 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456764.5 (2014-Apr-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1167865638872376 3.0144e-08  
q 2.313225489446996 8.0223e-08 au
tp 2456748.348141273507
(2014-Mar-31.84814127)
8.5088e-05 TDB
node 266.2721464302783 8.5863e-05 deg
peri 155.0552378072812 8.8168e-05 deg
i 2.971073306353246 3.3419e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1761  
   data-arc span      8607 days (23.56 yr)  
   first obs. used      1996-10-04  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53038  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:40:31  

Additional Information
 Jupiter MOID = 2.36356 au 
 T_jup = 3.394 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.086628466947706E-16 -2.40202533567685E-15 -4.360004633262952E-13 5.268508498586957E-15 -1.295672382613894E-13 -8.074476891089353E-17
q -2.40202533567685E-15 6.435717192778811E-15 1.304463718866803E-12 -1.432599250904828E-14 3.784748231311316E-13 3.098321523186971E-16
tp -4.360004633262952E-13 1.304463718866803E-12 7.240025544968519E-9 1.714384983725644E-11 1.730466918094006E-9 2.875214684100242E-13
node 5.268508498586957E-15 -1.432599250904828E-14 1.714384983725644E-11 7.372441462258319E-9 -7.35822891135773E-9 3.015308125029986E-11
peri -1.295672382613894E-13 3.784748231311316E-13 1.730466918094006E-9 -7.35822891135773E-9 7.773645031399351E-9 -3.004107377429657E-11
i -8.074476891089353E-17 3.098321523186971E-16 2.875214684100242E-13 3.015308125029986E-11 -3.004107377429657E-11 1.116798388833684E-11

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 14.1   n/a MPO337408  
diameter diameter 4.106 km 0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.316   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17752 (1998 DM4)          Discovered 1998-Feb-22 by JPL/GEODSS NEAT at Haleakala
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 DM4 = 1996 TP48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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