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49540 (1999 CU63)
Classification: Main-belt Asteroid          SPK-ID: 2049540
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1092991520846324 4.6149e-08  
a 3.113987356053032 2.5373e-08 au
q 2.77363117843417 1.486e-07 au
i 12.49432890746542 4.7624e-06 deg
node 291.2724765297136 2.4331e-05 deg
peri 286.5134973923933 3.3376e-05 deg
M 250.6994484834023 2.4151e-05 deg
tp 2459609.887507231984
(2022-Jan-30.38750723)
0.00013678 TDB
period 2007.121643573778
5.50
2.4532e-05
6.716e-08
d
yr
n .179361326281651 2.1922e-09 deg/d
Q 3.454343533671895 2.8147e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1268  
   data-arc span      12408 days (33.97 yr)  
   first obs. used      1986-11-27  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49775  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:28:14  

Additional Information
 Earth MOID = 1.79783 au 
 Jupiter MOID = 1.7789 au 
 T_jup = 3.172 
[ 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 13.6   n/a MPO452844  
diameter diameter 11.217 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.190 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.081   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49540 (1999 CU63)          Discovered 1999-Feb-12 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ 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
1954-May-05 03:51 00:02 Jupiter 1.90605712102145 1.90605602066621 1.9060582213808 4.41909351195263 4.31736240993386 2434867.660621985 2.1871881475924 191.551545343387 32.7841639949644 78.4199963431313 2958005.56443986 T 30 CATAB v2.0f-lin.ifort 2020-Dec-17 21:28:16 2020-Dec-17 21:28
1964-May-20 01:04 00:02 Jupiter 1.80617122303088 1.80617052613712 1.80617191992496 1.8446434643204 1.56996464996505 2438535.544119514 2.42465944748106 152.706404222177 70.3436125421735 1.53269549726197 845965.097203542 T 30 CATAB v2.0f-lin.ifort 2020-Dec-17 21:28:16 2020-Dec-17 21:28
1974-Apr-01 14:19 00:01 Jupiter 1.94140007694532 1.94139944661843 1.94140070727242 4.2853907343904 4.18234197504221 2442139.096524640 1.46525225497569 141.829139304425 25.5698343777135 86.0433563223403 1859400.80362856 T 30 CATAB v2.0f-lin.ifort 2020-Dec-17 21:28:16 2020-Dec-17 21:28
2036-Mar-09 23:30 < 00:01 Jupiter 1.77630560414083 1.77630498503586 1.7763062232461 2.90473297047139 2.73565048040231 2464762.479014806 0.969808894687418 93.2554905428001 25.4837228220152 -74.4339141627086 1934794.17432167 T 30 CATAB v2.0f-lin.ifort 2020-Dec-17 21:28:16 2020-Dec-17 21:28
2045-Dec-19 13:12 00:01 Jupiter 1.90030469532322 1.90030406005809 1.90030533058846 3.3113065941982 3.1738449351455 2468334.050046866 1.39923807933337 228.0688795132 25.366918045609 88.0620029998555 1823722.33563648 T 30 CATAB v2.0f-lin.ifort 2020-Dec-17 21:28:16 2020-Dec-17 21:28
2107-Nov-30 06:35 00:04 Jupiter 1.77600846467788 1.77600776531345 1.7760091640514 3.70651757298632 3.57553113265354 2490958.774077775 3.56174640592723 354.701099289471 24.8220150247769 89.2001056885702 2559473.02961326 T 30 CATAB v2.0f-lin.ifort 2020-Dec-17 21:28:16 2020-Dec-17 21:28
2117-Oct-07 12:04 00:05 Jupiter 1.86612159065927 1.86612064644456 1.86612253494653 2.08851495102354 1.85852239630784 2494558.003030734 5.00218872082077 832.665769014628 36.023707332432 78.1725159240519 2153972.90866979 T 30 CATAB v2.0f-lin.ifort 2020-Dec-17 21:28:16 2020-Dec-17 21:28
2179-Aug-05 07:38 00:06 Jupiter 1.83590733555149 1.83590500680191 1.83590966435627 4.25308892057398 4.14319156162382 2517139.818082182 5.95493382518581 542.879479219249 30.3424084767936 79.4636392801014 2881586.79936342 T 30 CATAB v2.0f-lin.ifort 2020-Dec-17 21:28:16 2020-Dec-17 21:28
2189-Aug-18 13:29 00:09 Jupiter 1.81236451643458 1.81236287841121 1.8123661544663 1.87703069302406 1.60889055510607 2520806.061716406 8.58431879260294 435.151796379353 68.341370288827 -0.0186853248845924 338699.292215023 T 30 CATAB v2.0f-lin.ifort 2020-Dec-17 21:28:16 2020-Dec-17 21:28

Alternate Designations
 1999 CU63 = 1986 WT5 = 1996 OG2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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