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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 ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1168049845427861 2.8639e-08  
a 2.621156789459896 9.9371e-09 au
q 2.314992611182814 7.6499e-08 au
i 2.966266265130343 3.1619e-06 deg
node 266.1491594675174 7.3559e-05 deg
peri 154.0730812463561 7.5593e-05 deg
M 256.8168758447522 1.8737e-05 deg
tp 2459840.767044929678
(2022-Sep-18.26704493)
8.1964e-05 TDB
period 1550.022229740267
4.24
8.8145e-06
2.413e-08
d
yr
n .2322547335726432 1.3208e-09 deg/d
Q 2.927320967736978 1.1098e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1976  
   data-arc span      9042 days (24.76 yr)  
   first obs. used      1996-10-04  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51497  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:07:21  

Additional Information
 Earth MOID = 1.32773 au 
 Jupiter MOID = 2.36431 au 
 T_jup = 3.393 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457143.5 (2015-May-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1176235203188693 2.8478e-08  
q 2.311893352146629 7.5906e-08 au
tp 2456748.216436772108
(2014-Mar-31.71643677)
7.4403e-05 TDB
node 266.2221839809029 7.3475e-05 deg
peri 155.0169319520347 7.5489e-05 deg
i 2.968595982027897 3.164e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1976  
   data-arc span      9042 days (24.76 yr)  
   first obs. used      1996-10-04  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51497  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:07:21  

Additional Information
 Jupiter MOID = 2.36431 au 
 T_jup = 3.393 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.109914738947031E-16 -2.147341557395494E-15 -2.533387762889151E-13 5.595496781999698E-15 -8.450795191960201E-14 -8.695542623628554E-17
q -2.147341557395494E-15 5.761773097773874E-15 8.43477049828139E-13 -1.501072549541434E-14 2.671804153222193E-13 2.70952881329975E-16
tp -2.533387762889151E-13 8.43477049828139E-13 5.535749721853737E-9 1.08816438198361E-11 1.30520758875673E-9 1.32223304292678E-13
node 5.595496781999698E-15 -1.501072549541434E-14 1.08816438198361E-11 5.398602086384297E-9 -5.388835987674722E-9 1.132596460698432E-11
peri -8.450795191960201E-14 2.671804153222193E-13 1.30520758875673E-9 -5.388835987674722E-9 5.698625825999776E-9 -1.127165360804052E-11
i -8.695542623628554E-17 2.70952881329975E-16 1.32223304292678E-13 1.132596460698432E-11 -1.127165360804052E-11 1.00109390058858E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.15   n/a E2021B10  
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

Alternate Designations
 1998 DM4 = 1996 TP48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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