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101715 (1999 DT4)
Classification: Main-belt Asteroid          SPK-ID: 2101715
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1936738045423841 5.4766e-08  
a 3.130662684435939 2.8705e-08 au
q 2.524335331602357 1.7693e-07 au
i 14.32389590284581 6.1121e-06 deg
node 219.2629750499424 1.9241e-05 deg
peri 346.7385314545687 2.2953e-05 deg
M 262.3401115531386 1.4717e-05 deg
tp 2459549.366298586476
(2021-Nov-30.86629859)
8.7478e-05 TDB
period 2023.265340904468
5.54
2.7827e-05
7.619e-08
d
yr
n .1779301966587674 2.4472e-09 deg/d
Q 3.73699003726952 3.4265e-08 au
  Orbit Determination Parameters
   # obs. used (total)      526  
   data-arc span      7968 days (21.82 yr)  
   first obs. used      1999-01-23  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55195  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:29:35  

Additional Information
 Earth MOID = 1.52165 au 
 Jupiter MOID = 1.25581 au 
 T_jup = 3.137 
[ 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 14.6   n/a MPO422324  
diameter diameter 6.651 km 0.191 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101715 (1999 DT4)          Discovered 1999-Feb-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
1952-Dec-16 01:24 00:02 Jupiter 1.37643782051382 1.37643560751255 1.37644003355514 3.63765667211646 3.46436145481069 2434362.558083140 2.43942978301634 444.953047932726 54.1443981376081 77.5364184720218 2291297.23907036 T 21 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:37 2020-Dec-17 22:29
1963-Jul-08 01:56 00:02 Jupiter 1.52440806083721 1.52440562918775 1.52441049249153 3.25668579144066 3.08135064411309 2438218.580509506 2.37556691380313 228.468069339053 99.7650572729449 -64.9333228013286 1720860.84877255 T 21 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:37 2020-Dec-17 22:29
2036-May-29 01:03 < 00:01 Jupiter 1.58063139975418 1.58063039697946 1.58063240252909 3.59079734571106 3.43832422436984 2464842.544075315 0.928424998682691 184.578933049032 50.4786697300825 88.7544605101285 2366694.93133231 T 21 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:37 2020-Dec-17 22:29
2046-Dec-20 15:16 00:01 Jupiter 1.34026041651739 1.34025928184425 1.34026155120135 3.53853197321693 3.35518128504875 2468700.136345669 1.32274775101514 280.323732104015 40.9804218827151 -81.5368081521665 1993501.82588259 T 21 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:37 2020-Dec-17 22:29
2119-Nov-04 10:43 00:05 Jupiter 1.79293339083036 1.79292806340696 1.79293871826427 3.40382664878645 3.26208374556515 2495315.946230198 5.06170629654951 375.824266157511 152.828913747112 -47.8889875000618 1498352.911085 T 21 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:37 2020-Dec-17 22:29
2130-Apr-28 01:03 00:04 Jupiter 1.25122522207701 1.2512240714707 1.2512263730009 3.62908947709045 3.43749639690671 2499143.543589198 4.13070956096807 1164.82575830456 27.2307136099139 -87.4435402127583 2170492.14719976 T 21 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:37 2020-Dec-17 22:29
2140-Jul-17 17:25 00:08 Jupiter 1.98370732874031 1.98370094699608 1.98371371056944 2.40376324468416 2.21903096385346 2502877.225877569 8.22321828952743 767.264439258886 73.2542855030066 61.3180124675387 1924006.63440831 T 21 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:37 2020-Dec-17 22:29

Alternate Designations
 1999 DT4 = 2000 LC4 = 2001 US181 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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