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249211 (2008 DJ73)
Classification: Outer Main-belt Asteroid          SPK-ID: 2249211
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01655172009536311 6.008e-08  
a 3.207288461303094 3.6144e-08 au
q 3.154202320426517 1.9267e-07 au
i 21.71562906324866 6.2689e-06 deg
node 167.9299217509533 1.5773e-05 deg
peri 204.7174973998754 0.00017188 deg
M 235.6706482771788 0.00017412 deg
tp 2459925.063792650117
(2022-Dec-11.56379265)
0.0010187 TDB
period 2097.999882888179
5.74
3.5465e-05
9.71e-08
d
yr
n .1715920019520743 2.9006e-09 deg/d
Q 3.26037460217967 3.6742e-08 au
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      6683 days (18.30 yr)  
   first obs. used      2002-02-07  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56258  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 02:06:36  

Additional Information
 Earth MOID = 2.15078 au 
 Jupiter MOID = 1.81074 au 
 T_jup = 3.081 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457358.5 (2015-Dec-02.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01604092015549276 6.0673e-08  
q 3.157495109213611 1.939e-07 au
tp 2457854.814173244559
(2017-Apr-11.31417324)
0.001024 TDB
node 167.9505618689587 1.5774e-05 deg
peri 209.6334956678558 0.00017451 deg
i 21.71191137553523 6.2678e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      6683 days (18.30 yr)  
   first obs. used      2002-02-07  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56258  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 02:06:36  

Additional Information
 Jupiter MOID = 1.81074 au 
 T_jup = 3.081 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.681215985892399E-15 -1.156488929453777E-14 8.362552194354525E-12 1.141333574408382E-14 1.412152601521623E-12 8.362550877123263E-15
q -1.156488929453777E-14 3.759683290449816E-14 -1.65712341028401E-11 -3.754635901731317E-14 -2.84405885966674E-12 -1.977857067278904E-14
tp 8.362552194354525E-12 -1.65712341028401E-11 1.0485531936871E-6 -2.988940504761654E-11 1.780152218735539E-7 1.109989541743716E-10
node 1.141333574408382E-14 -3.754635901731317E-14 -2.988940504761654E-11 2.488120595728575E-10 -2.357554279404912E-10 2.924547129306347E-11
peri 1.412152601521623E-12 -2.84405885966674E-12 1.780152218735539E-7 -2.357554279404912E-10 3.045539570707176E-8 -8.506549758990201E-12
i 8.362550877123263E-15 -1.977857067278904E-14 1.109989541743716E-10 2.924547129306347E-11 -8.506549758990201E-12 3.928571700014664E-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 15.62   n/a E2021B55  
diameter diameter 5.098 km 0.238 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249211 (2008 DJ73)          Discovered 2008-Feb-27 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ 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
2022-Oct-18 08:46 < 00:01 Jupiter 1.83261316230523 1.83261255307316 1.83261377153739 6.3777705129805 6.30488453821019 2459870.865345330 0.477885387369928 90.9861130869727 29.1262407317816 85.3729031697885 3255639.83115601 T 15 CATAB v2.0f-lin.ifort 2021-Apr-14 02:06:36 2021-Apr-14 02:06
2034-Jan-17 01:35 < 00:01 Jupiter 1.83487610957147 1.83487545653901 1.83487676260539 6.47994503055479 6.40831022715899 2463979.565722677 0.966553464699074 158.23703706106 26.8900875556239 -83.5510525270197 3535289.67196534 T 15 CATAB v2.0f-lin.ifort 2021-Apr-14 02:06:36 2021-Apr-14 02:06
2200-Dec-08 14:39 00:09 Jupiter 1.89118600057081 1.89118163927632 1.8911903621348 6.21780855862993 6.14535477043017 2524935.110187892 8.57471842494979 1166.03751763981 32.7077637151824 79.1703137861715 3098562.44184771 T 15 CATAB v2.0f-lin.ifort 2021-Apr-14 02:06:36 2021-Apr-14 02:06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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