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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 ]

[ hide orbit diagram ]

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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01655172788495523 6.134e-08  
a 3.207288460003657 3.6274e-08 au
q 3.15420229416512 1.9735e-07 au
i 21.7156296110843 6.3853e-06 deg
node 167.9299229146676 1.5997e-05 deg
peri 204.71750215109 0.00017201 deg
M 235.6706430503691 0.00017422 deg
tp 2459925.063822670464
(2022-Dec-11.56382267)
0.0010192 TDB
period 2097.999881613168
5.74
3.5593e-05
9.745e-08
d
yr
n .1715920020563553 2.9111e-09 deg/d
Q 3.260374625842195 3.6875e-08 au
  Orbit Determination Parameters
   # obs. used (total)      248  
   data-arc span      6683 days (18.30 yr)  
   first obs. used      2002-02-07  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56195  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:19:31  

Additional Information
 Earth MOID = 2.15078 au 
 Jupiter MOID = 1.81074 au 
 T_jup = 3.081 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457326.5 (2015-Oct-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01605236552930278 6.1958e-08  
q 3.157370743883577 1.9866e-07 au
tp 2457855.371705677355
(2017-Apr-11.87170568)
0.0010231 TDB
node 167.9511990145187 1.5999e-05 deg
peri 209.7335246951656 0.00017437 deg
i 21.71177692742626 6.3842e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      248  
   data-arc span      6683 days (18.30 yr)  
   first obs. used      2002-02-07  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56195  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:19:31  

Additional Information
 Jupiter MOID = 1.81074 au 
 T_jup = 3.081 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.838779738003808E-15 -1.210721710309197E-14 8.468182471269339E-12 1.167021360554868E-14 1.438679053918999E-12 8.319539968057014E-15
q -1.210721710309197E-14 3.946388898719596E-14 -1.696104824691831E-11 -3.777945448696024E-14 -2.940523497371904E-12 -1.935400003064847E-14
tp 8.468182471269339E-12 -1.696104824691831E-11 1.046711442517055E-6 -8.616659793845516E-13 1.776894595532161E-7 1.239304143566905E-10
node 1.167021360554868E-14 -3.777945448696024E-14 -8.616659793845516E-13 2.559529577438274E-10 -2.374796266749769E-10 3.248602074099688E-11
peri 1.438679053918999E-12 -2.940523497371904E-12 1.776894595532161E-7 -2.374796266749769E-10 3.040459027806553E-8 -9.338334541822993E-12
i 8.319539968057014E-15 -1.935400003064847E-14 1.239304143566905E-10 3.248602074099688E-11 -9.338334541822993E-12 4.07582464285753E-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 1.83261317159584 1.83261255198835 1.83261379120344 6.37777012782836 6.30488414857227 2459870.865360033 0.479223004568886 91.4907778606081 29.7754897177076 85.7436710934895 3195316.98426357 T 14 CATAB v2.0f-lin.ifort 2020-Nov-12 00:19:32 2020-Nov-12 00:19
2034-Jan-17 01:35 < 00:01 Jupiter 1.83487610538394 1.83487544068212 1.83487677008733 6.47994461522655 6.4083098066257 2463979.565766979 0.969794513099708 158.917657187856 27.3832275706668 -83.472677847326 3480321.1792535 T 14 CATAB v2.0f-lin.ifort 2020-Nov-12 00:19:32 2020-Nov-12 00:19
2200-Dec-08 14:41 00:09 Jupiter 1.89118741511482 1.8911830539894 1.89119177650986 6.21780456020368 6.14535077897227 2524935.112065690 8.58079582136502 1167.11718536384 33.5153876473555 79.1864953819173 3035752.8361725 T 14 CATAB v2.0f-lin.ifort 2020-Nov-12 00:19:32 2020-Nov-12 00:19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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