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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 ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1174543817629784 2.9474e-08  
a 2.619331498682317 1.0016e-08 au
q 2.31167953687229 7.8212e-08 au
i 2.968749848000974 3.1868e-06 deg
node 266.1691064724891 7.5124e-05 deg
peri 154.2822298420178 7.7109e-05 deg
M 211.0632335447094 1.8541e-05 deg
tp 2459841.095000866322
(2022-Sep-18.59500087)
8.1531e-05 TDB
period 1548.40343187593
4.24
8.8809e-06
2.431e-08
d
yr
n .2324975472082562 1.3335e-09 deg/d
Q 2.926983460492344 1.1192e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1907  
   data-arc span      8691 days (23.79 yr)  
   first obs. used      1996-10-04  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5172  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:11:45  

Additional Information
 Earth MOID = 1.32415 au 
 Jupiter MOID = 2.36374 au 
 T_jup = 3.394 
[ 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 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

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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
2159-Feb-02 22:57 00:04 Hebe 0.0267373415618055 0.0267226480447898 0.0267520502224349 5.80751346144543 5.80751342140957 2509651.456164632 3.7396010057883 1242.82288609819 26.4145499870632 53.8839790129053 122300.5047903 T 31 CATAB v2.0f-lin.ifort 2021-Apr-13 02:12:00 2021-Apr-13 02:12

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