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294739 (2008 CM)
Classification: Apollo [NEO, PHA]          SPK-ID: 2294739
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 289 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4081239355363477 1.5943e-08  
a 1.565854303834144 4.9134e-09 au
q .9267916828768252 2.5536e-08 au
i 36.01470717586881 3.6493e-06 deg
node 279.5622987925694 5.7739e-07 deg
peri 130.6791210354371 4.6278e-06 deg
M 112.0872112612741 4.562e-06 deg
tp 2458777.667252243873
(2019-Oct-21.16725224)
8.087e-06 TDB
period 715.6908293954622
1.96
3.3686e-06
9.223e-09
d
yr
n .5030104972898547 2.3676e-09 deg/d
Q 2.204916924791463 6.9187e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1391  
   # delay obs. used      7  
   # Doppler obs. used      1  
   data-arc span      4353 days (11.92 yr)  
   first obs. used      2008-02-02  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36452  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-04 05:43:33  

Additional Information
 Earth MOID = .0439887 au 
 Jupiter MOID = 3.31723 au 
 T_jup = 4.133 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457540.5 (2016-Jun-01.0) TDB
Reference: JPL 289 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4082545583528531 1.5947e-08  
q .9268258752353233 2.5559e-08 au
tp 2457345.841712198625
(2015-Nov-19.34171220)
3.0764e-06 TDB
node 279.5949269548389 5.7949e-07 deg
peri 130.638671119018 4.6273e-06 deg
i 35.99942092629588 3.6488e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1391  
   # delay obs. used      7  
   # Doppler obs. used      1  
   data-arc span      4353 days (11.92 yr)  
   first obs. used      2008-02-02  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36452  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-04 05:43:33  

Additional Information
 Jupiter MOID = 3.31723 au 
 T_jup = 4.133 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.543004875832968E-16 -4.049486675143576E-16 -1.105131967881825E-14 7.344878450561949E-15 -3.077016141520111E-14 -7.734931756510202E-16
q -4.049486675143576E-16 6.53249666699823E-16 1.945906142943348E-14 -1.169104519392099E-14 5.173280276822512E-14 1.135127205934916E-15
tp -1.105131967881825E-14 1.945906142943348E-14 9.464007268363817E-12 4.558646484421514E-13 1.391845458329459E-11 1.200559232756675E-12
node 7.344878450561949E-15 -1.169104519392099E-14 4.558646484421514E-13 3.358089636144965E-13 1.345035677926048E-13 -6.796254587774847E-13
peri -3.077016141520111E-14 5.173280276822512E-14 1.391845458329459E-11 1.345035677926048E-13 2.141231442127573E-11 2.545535575888514E-12
i -7.734931756510202E-16 1.135127205934916E-15 1.200559232756675E-12 -6.796254587774847E-13 2.545535575888514E-12 1.331390072926643E-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 17.1   n/a MPO437318  
diameter diameter 0.740 km 0.236 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 3.05785 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2014) Minor Planet Bull. 41, 157-168.]
[Benishek, V. (2016) Minor Planet Bull. 43, 186-188.]
[Warner, B.D. (2016) Minor Planet Bull. 43, 143-154.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2019) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.425   0.315 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

294739 (2008 CM)          Discovered 2008-Feb-02 by CSS at Catalina
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ 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
1914-Jan-10 21:36 < 00:01 Earth 0.294605143314949 0.294603193327138 0.294607093302994 25.8936400355021 25.8932907489582 2420143.400069987 0.120544861381772 98.1126647431248 3.33488248036586 -7.66322701701754 1753184.19053319 T 289 CATAB v2.0f-lin.ifort 2020-Feb-04 05:43:58 2020-Feb-04 05:44
1915-Dec-31 22:25 < 00:01 Earth 0.0564763081411156 0.0564748963503815 0.0564777199758244 21.8062955038988 21.8041318603672 2420863.434368137 0.122990303569638 105.577875355748 3.36945510876905 -48.2110801504712 1870252.81401482 T 289 CATAB v2.0f-lin.ifort 2020-Feb-04 05:43:58 2020-Feb-04 05:44
1917-Dec-21 14:36 < 00:01 Earth 0.213487173478486 0.213484979453578 0.213489367505494 19.7261938414908 19.7255611321618 2421584.108420141 0.12550729609182 114.396538230875 3.88491745873886 16.9937359759545 2558004.59034545 T 289 CATAB v2.0f-lin.ifort 2020-Feb-04 05:43:58 2020-Feb-04 05:44
1919-Dec-12 13:53 < 00:01 Earth 0.46017369067318 0.460171392118694 0.460175989256988 19.9811954972554 19.9809057146907 2422305.078748764 0.12696191203329 216.316341008899 6.48212175359968 58.0444395437339 10102539.9193034 T 289 CATAB v2.0f-lin.ifort 2020-Feb-04 05:43:58 2020-Feb-04 05:44
1963-Jan-14 23:28 < 00:01 Earth 0.383850239539315 0.383846134662528 0.383854344416472 27.6423073196696 27.6420562014507 2438044.477820555 0.254287978827285 205.535607070161 3.32860129078244 -5.19194137580457 1519617.5749329 T 289 CATAB v2.0f-lin.ifort 2020-Feb-04 05:43:58 2020-Feb-04 05:44
1965-Jan-04 05:29 < 00:01 Earth 0.142680437564781 0.142676336411522 0.142684538729881 23.1934249965684 23.1926198210221 2438764.728524205 0.253245962707744 214.537024607244 3.37339261044441 -17.5915416055872 1881123.06810299 T 289 CATAB v2.0f-lin.ifort 2020-Feb-04 05:43:58 2020-Feb-04 05:44
1966-Dec-25 21:01 < 00:01 Earth 0.117616534064094 0.117612534694401 0.117620533458297 20.3026494355293 20.3015335922596 2439485.375594594 0.243766501802771 216.662793271591 3.44466888421782 23.0065340591152 2059717.93774783 T 289 CATAB v2.0f-lin.ifort 2020-Feb-04 05:43:58 2020-Feb-04 05:44
1968-Dec-15 17:29 < 00:01 Earth 0.363492556233116 0.363488450805156 0.363496661679961 19.6175136834006 19.6171400230585 2440206.228366761 0.225650140479061 242.891201641856 6.03034754685545 32.5688012412406 5396562.00387688 T 289 CATAB v2.0f-lin.ifort 2020-Feb-04 05:43:58 2020-Feb-04 05:44
2012-Jan-18 09:07 < 00:01 Earth 0.456311965109471 0.456311619231889 0.456312310987054 29.1572895876468 29.1570893227453 2455944.879953214 0.0219681655984163 17.2582379876101 3.30438872688291 -2.06548875159995 3851084.50156337 T 289 CATAB v2.0f-lin.ifort 2020-Feb-04 05:43:58 2020-Feb-04 05:44
2014-Jan-07 13:29 < 00:01 Earth 0.21475141050963 0.214751217731914 0.214751603287346 24.3889125248071 24.3884037935463 2456665.061772766 0.0110467896931885 9.63126727567653 3.15521377649546 -3.73648242365991 3315028.04946454 T 289 CATAB v2.0f-lin.ifort 2020-Feb-04 05:43:58 2020-Feb-04 05:44
2015-Dec-29 00:19 < 00:01 Earth 0.0584603019468245 0.0584603008795182 0.0584603030141307 20.9297728168181 20.9275950599945 2457385.513004608 0.00069038947108841 5.13561774677633 0.0532170933840891 -89.9665324401795 61063431.1528098 T 289 CATAB v2.0f-lin.ifort 2020-Feb-04 05:43:58 2020-Feb-04 05:44
2017-Dec-18 15:12 < 00:01 Earth 0.297158366679322 0.297158175110796 0.297158558247881 19.5846470542722 19.5841892142845 2458106.133153941 0.0120788370031681 10.767333394742 4.58976464774665 30.6672511286451 6669490.50702699 T 289 CATAB v2.0f-lin.ifort 2020-Feb-04 05:43:58 2020-Feb-04 05:44
2061-Jan-16 05:25 < 00:01 Earth 0.424039775342572 0.424035919523181 0.424043631162156 28.4287799111895 28.4285588822052 2473840.725793283 0.238582490296391 192.846340574333 3.38289750319567 -4.41918505355422 1417158.67504302 T 289 CATAB v2.0f-lin.ifort 2020-Feb-04 05:43:58 2020-Feb-04 05:44
2063-Jan-06 05:12 < 00:01 Earth 0.176562704951949 0.176558708138881 0.17656670177128 23.7081495877192 23.7075130537949 2474560.716464773 0.242721717735158 206.090899080815 3.39028513253777 -14.7472656205868 1940720.42525311 T 289 CATAB v2.0f-lin.ifort 2020-Feb-04 05:43:58 2020-Feb-04 05:44
2064-Dec-26 13:55 < 00:01 Earth 0.0944239106313108 0.094420164363262 0.09442765694641 20.5254264731609 20.5240516313557 2475281.079814691 0.239743775147791 214.358748377024 3.34987423741864 29.3705963488957 2119175.12766106 T 289 CATAB v2.0f-lin.ifort 2020-Feb-04 05:43:58 2020-Feb-04 05:44
2066-Dec-17 07:36 < 00:01 Earth 0.342469909625805 0.342465744120928 0.3424740751468 19.6372798150952 19.6368836164463 2476001.816432144 0.224606791892544 238.53103086706 5.55935195240834 29.4549716673501 5026093.23849758 T 289 CATAB v2.0f-lin.ifort 2020-Feb-04 05:43:58 2020-Feb-04 05:44
2110-Jan-13 03:37 < 00:01 Earth 0.3229939482303 0.32299123676274 0.322996659698228 26.3274558194431 26.3271424824559 2491733.650543219 0.164277937451458 136.303389847018 3.43239589742337 -7.26718378067383 1745416.15759302 T 289 CATAB v2.0f-lin.ifort 2020-Feb-04 05:43:58 2020-Feb-04 05:44
2112-Jan-03 04:23 < 00:01 Earth 0.0784058442671974 0.0784036461830694 0.0784080423834995 22.1239281326645 22.1223920423206 2492453.682941732 0.154845514418172 135.254070035912 3.3489297147928 -35.8779596751662 2039410.24310133 T 289 CATAB v2.0f-lin.ifort 2020-Feb-04 05:43:58 2020-Feb-04 05:44
2113-Dec-23 20:12 < 00:01 Earth 0.193824891489081 0.193822426818396 0.193827356163148 19.8667340342922 19.866042069667 2493174.341890300 0.139814556412689 129.362571994663 3.62195745575493 18.1892311904882 2642182.54925604 T 289 CATAB v2.0f-lin.ifort 2020-Feb-04 05:43:58 2020-Feb-04 05:44
2115-Dec-15 01:55 < 00:01 Earth 0.444041721176451 0.444039425743115 0.444044016634018 19.9982037493563 19.9979036943697 2493895.579548389 0.119371305686313 199.812236116991 6.04750984838702 55.0877730109851 10286446.789972 T 289 CATAB v2.0f-lin.ifort 2020-Feb-04 05:43:58 2020-Feb-04 05:44
2159-Jan-12 10:48 < 00:01 Earth 0.300271137542369 0.300268846599964 0.300273428485183 25.8629072429425 25.862564140108 2509629.949975049 0.140117272365665 115.560339280879 3.43996815542274 -8.67538180814495 1930636.91590393 T 289 CATAB v2.0f-lin.ifort 2020-Feb-04 05:43:58 2020-Feb-04 05:44
2161-Jan-01 18:05 < 00:01 Earth 0.0647446291864943 0.0647428521796898 0.0647464062464903 21.883982446487 21.8821018270853 2510350.253443730 0.146716911495477 128.175887253683 3.31884311702248 -46.2841010096688 2100604.18050522 T 289 CATAB v2.0f-lin.ifort 2020-Feb-04 05:43:58 2020-Feb-04 05:44
2162-Dec-23 17:10 < 00:01 Earth 0.207146822036987 0.20714414056626 0.207149503511671 19.8212521492108 19.8206032009019 2511071.215360926 0.149411314911769 141.142766247083 3.67206564334301 18.6778243367242 2871305.83586239 T 289 CATAB v2.0f-lin.ifort 2020-Feb-04 05:43:58 2020-Feb-04 05:44
2164-Dec-14 02:55 < 00:01 Earth 0.455300553858874 0.455297691054548 0.455303416713874 20.0821087634734 20.0818173510823 2511792.621653784 0.143646991513827 278.987472022469 5.60072187096855 59.2424277174874 12053364.246576 T 289 CATAB v2.0f-lin.ifort 2020-Feb-04 05:43:58 2020-Feb-04 05:44
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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