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66999 (1999 XX115)
Classification: Main-belt Asteroid          SPK-ID: 2066999
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04491808035100259 4.6308e-08  
a 2.994696201357685 1.8714e-08 au
q 2.860180196758258 1.4596e-07 au
i 8.813552059511951 3.861e-06 deg
node 261.9469161024026 2.7997e-05 deg
peri 263.0657365359498 5.3662e-05 deg
M 269.0864972131632 4.6169e-05 deg
tp 2459678.528152870781
(2022-Apr-09.02815287)
0.00024402 TDB
period 1892.899621709413
5.18
1.7743e-05
4.858e-08
d
yr
n .1901844111918075 1.7827e-09 deg/d
Q 3.129212205957111 1.9555e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1173  
   data-arc span      7833 days (21.45 yr)  
   first obs. used      1999-10-12  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53829  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:02:58  

Additional Information
 Earth MOID = 1.88459 au 
 Jupiter MOID = 1.95314 au 
 T_jup = 3.235 
[ 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 14.15   n/a E2021B10  

66999 (1999 XX115)          Discovered 1999-Dec-05 by CSS at Catalina
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XX115 = 2000 YQ103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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