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16025 (1999 CA104)
Classification: Main-belt Asteroid          SPK-ID: 2016025
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2084251327280391 1.9901e-08  
a 2.289305941830562 8.3224e-09 au
q 1.812157047049439 4.7226e-08 au
i 6.786462309152649 1.0162e-06 deg
node 228.2899922117091 6.0998e-06 deg
peri 59.34879872523801 6.7695e-06 deg
M 17.9111063461722 5.528e-06 deg
tp 2459333.553136972770
(2021-Apr-29.05313697)
1.9166e-05 TDB
period 1265.185424720893
3.46
6.8991e-06
1.889e-08
d
yr
n .28454327165476 1.5516e-09 deg/d
Q 2.766454836611686 1.0057e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1967  
   data-arc span      13808 days (37.80 yr)  
   first obs. used      1983-09-05  
   last obs. used      2021-06-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4786  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 04:01:28  

Additional Information
 Earth MOID = .806994 au 
 Jupiter MOID = 2.41292 au 
 T_jup = 3.561 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457228.5 (2015-Jul-25.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2086946273930143 1.9913e-08  
q 1.810844793587585 4.7208e-08 au
tp 2456803.506265704888
(2014-May-26.00626570)
1.2412e-05 TDB
node 228.3560963127141 6.1041e-06 deg
peri 59.23296258248065 6.7693e-06 deg
i 6.784764067920957 1.016e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1967  
   data-arc span      13808 days (37.80 yr)  
   first obs. used      1983-09-05  
   last obs. used      2021-06-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4786  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 04:01:28  

Additional Information
 Jupiter MOID = 2.41292 au 
 T_jup = 3.561 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.965245919853402E-16 -9.311172161596797E-16 1.5077009716186E-13 2.518070890767044E-14 -8.519934893182729E-15 1.311517264718424E-16
q -9.311172161596797E-16 2.228578360211633E-15 -3.402444855123746E-13 -5.906061830221649E-14 2.657158074334316E-14 -3.444384240010141E-16
tp 1.5077009716186E-13 -3.402444855123746E-13 1.540692529589234E-10 3.413752969728732E-12 3.00849387917967E-11 -1.71481823705625E-12
node 2.518070890767044E-14 -5.906061830221649E-14 3.413752969728732E-12 3.726019710571927E-11 -3.692415953472376E-11 -1.970531065432668E-12
peri -8.519934893182729E-15 2.657158074334316E-14 3.00849387917967E-11 -3.692415953472376E-11 4.582335935458652E-11 1.671607211338487E-12
i 1.311517264718424E-16 -3.444384240010141E-16 -1.71481823705625E-12 -1.970531065432668E-12 1.671607211338487E-12 1.032207824660177E-12

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.32   n/a E2021B10  
diameter diameter 4.337 km 0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 10.55733 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.149   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16025 (1999 CA104)          Discovered 1999-Feb-12 by LINEAR at Socorro
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 CA104 = 1983 RK6 = 1986 KC = 1993 LT1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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