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101609 (1999 CD7)
Classification: Main-belt Asteroid          SPK-ID: 2101609
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2243959247232733 4.043e-08  
a 3.162958625447045 2.7959e-08 au
q 2.453203599828402 1.3703e-07 au
i 27.54404692473579 6.2757e-06 deg
node 138.764283900873 1.0074e-05 deg
peri 304.2103386066698 1.8142e-05 deg
M 320.2282617364608 1.2998e-05 deg
tp 2459227.492111761683
(2021-Jan-12.99211176)
7.4338e-05 TDB
period 2054.653977976114
5.63
2.7243e-05
7.459e-08
d
yr
n .1752119840415217 2.3232e-09 deg/d
Q 3.872713651065689 3.4233e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      7967 days (21.81 yr)  
   first obs. used      1999-01-22  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53666  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:29:28  

Additional Information
 Earth MOID = 1.55683 au 
 Jupiter MOID = 1.5701 au 
 T_jup = 2.992 
[ 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 MPO417512  
diameter diameter 6.903 km 0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101609 (1999 CD7)          Discovered 1999-Feb-10 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
1974-Mar-27 21:10 00:02 Jupiter 1.76462246946875 1.76462076864912 1.76462417031667 6.86082652096893 6.79050339244238 2442134.381644746 1.55464223462418 380.520501313086 24.5552006450313 77.6856891485203 3435834.84193658 T 19 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:29 2020-Dec-17 22:29
1985-Apr-06 20:02 00:01 Jupiter 1.65761352587413 1.65761262492025 1.65761442683094 6.79127464509008 6.71561114256038 2446162.334900249 1.03233468278059 193.157884965546 36.0186934381975 -82.1124494227393 3010319.53252181 T 19 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:29 2020-Dec-17 22:29
2081-Apr-30 12:16 00:02 Jupiter 1.97152887004594 1.97152620630634 1.97153153381624 6.85339312328308 6.79041551109694 2481250.010908116 2.0180806421089 422.280607706371 30.7309176482747 72.1566418003546 3417904.69199933 T 19 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:29 2020-Dec-17 22:29
2092-Apr-21 19:47 00:02 Jupiter 1.59203675029486 1.59203609733778 1.59203740325755 6.80534545650804 6.7267118793604 2485259.324004052 1.95766633819123 424.053680794241 29.8858783833924 88.4498290487988 3133669.96396116 T 19 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:29 2020-Dec-17 22:29
2103-May-11 17:22 00:03 Jupiter 1.92751290438597 1.92750944362853 1.92751636516433 6.78274883177567 6.71764881569862 2489295.223431407 2.50172650463737 371.459403282652 43.5955183964863 -63.080416995608 2784632.67280116 T 19 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:29 2020-Dec-17 22:29
2199-May-15 22:05 00:05 Jupiter 1.64712134482519 1.64711744109297 1.64712524894261 6.82190801525186 6.74610559276149 2524363.420360624 5.19316504586866 1290.73069905804 26.7579439601545 81.4232604068316 3193053.24934404 T 19 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:29 2020-Dec-17 22:29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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