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101616 (1999 CL9)
Classification: Main-belt Asteroid          SPK-ID: 2101616
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1555239391343302 5.549e-08  
a 2.659303330573842 1.2857e-08 au
q 2.245718001249954 1.4695e-07 au
i 11.65940159427077 5.5064e-06 deg
node 10.63693884938338 1.941e-05 deg
peri 171.2868305930572 2.3137e-05 deg
M 344.4395805179058 1.2908e-05 deg
tp 2459268.965067864808
(2021-Feb-23.46506786)
5.6912e-05 TDB
period 1583.982003807363
4.34
1.1487e-05
3.145e-08
d
yr
n .2272753094004101 1.6482e-09 deg/d
Q 3.072888659897729 1.4857e-08 au
  Orbit Determination Parameters
   # obs. used (total)      856  
   data-arc span      8069 days (22.09 yr)  
   first obs. used      1999-02-10  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52087  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:40  

Additional Information
 Earth MOID = 1.24816 au 
 Jupiter MOID = 1.88364 au 
 T_jup = 3.340 
[ 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 14.82   n/a E2021B55  

101616 (1999 CL9)          Discovered 1999-Feb-12 by Urata, T. at Oohira
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
1927-Nov-07 18:21 00:02 Jupiter 1.88368420568042 1.88368376516387 1.88368464622685 3.56211848598072 3.43356414295986 2425192.264610727 1.73475899474627 854.341269453604 14.8995426693442 -89.1277888352282 2541581.99186559 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 15:37:43 2021-Apr-13 15:37
1975-Oct-27 05:48 < 00:01 Jupiter 1.92864453079486 1.92864393833698 1.92864512326492 3.55180528517399 3.42592474562269 2442712.741410075 0.806329909215935 373.761801019828 15.9083981474348 -86.5776451964521 2467338.26152196 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 15:37:43 2021-Apr-13 15:37
2057-Nov-23 17:21 < 00:01 Jupiter 1.93511403471501 1.93511345468638 1.93511461474385 3.55704918847007 3.43178890034935 2472691.222915277 0.857535159429422 321.914031055928 26.1452369375619 88.7131361583877 2707540.52969777 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 15:37:43 2021-Apr-13 15:37
2105-Nov-12 03:12 00:02 Jupiter 1.88546329704825 1.88546284222828 1.88546375192984 3.56368736380363 3.43531524475599 2490210.633402450 1.78389362403662 910.27574861719 13.6089869392341 -89.0456335756214 2439053.14400261 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 15:37:43 2021-Apr-13 15:37
2153-Nov-01 02:06 00:03 Jupiter 1.93622347040526 1.9362224175048 1.9362245233219 3.48629916481761 3.35847578562773 2507731.587563039 2.79510472467059 386.740175143713 32.2042755465071 -83.5866207422628 2446277.71877221 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 15:37:43 2021-Apr-13 15:37

Alternate Designations
 1999 CL9 = 2001 RX87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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