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216949 (1999 UA63)
Classification: Main-belt Asteroid          SPK-ID: 2216949
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .256178982218494 7.2967e-08  
a 2.632602005400211 2.965e-08 au
q 1.958184703070419 2.0879e-07 au
i 30.40321770200285 9.5431e-06 deg
node 305.5818614158749 1.2316e-05 deg
peri 119.489399942302 3.1074e-05 deg
M 4.846729984832755 3.0057e-05 deg
tp 2459375.495005928870
(2021-Jun-09.99500593)
0.00013 TDB
period 1560.185504302985
4.27
2.6358e-05
7.216e-08
d
yr
n .2307417925670515 3.8982e-09 deg/d
Q 3.307019307730003 3.7246e-08 au
  Orbit Determination Parameters
   # obs. used (total)      416  
   data-arc span      7738 days (21.19 yr)  
   first obs. used      1999-09-28  
   last obs. used      2020-12-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46836  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 03:34:20  

Additional Information
 Earth MOID = 1.09283 au 
 Jupiter MOID = 2.20773 au 
 T_jup = 3.163 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458162.5 (2018-Feb-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .25752144020576 7.3395e-08  
q 1.955170313593962 2.1053e-07 au
tp 2457811.810058565069
(2017-Feb-27.31005856)
0.00010871 TDB
node 305.7157440269141 1.2306e-05 deg
peri 118.9362687949671 3.0698e-05 deg
i 30.34633859188839 9.5383e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      416  
   data-arc span      7738 days (21.19 yr)  
   first obs. used      1999-09-28  
   last obs. used      2020-12-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46836  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 03:34:20  

Additional Information
 Jupiter MOID = 2.20773 au 
 T_jup = 3.163 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.386841405175221E-15 -1.540841715702887E-14 -3.009247185971526E-12 -6.355397030246128E-14 -3.718814768991947E-13 -1.617338827704617E-13
q -1.540841715702887E-14 4.43246561924632E-14 9.639285642240829E-12 1.872094968892932E-13 1.355707576567205E-12 4.887768169294542E-13
tp -3.009247185971526E-12 9.639285642240829E-12 1.181690259889192E-8 7.069636907202031E-11 3.035795173776929E-9 3.081535977782493E-10
node -6.355397030246128E-14 1.872094968892932E-13 7.069636907202031E-11 1.514468531032165E-10 -1.158674338216987E-10 7.548717127881839E-11
peri -3.718814768991947E-13 1.355707576567205E-12 3.035795173776929E-9 -1.158674338216987E-10 9.423718081284147E-10 8.244077607882382E-12
i -1.617338827704617E-13 4.887768169294542E-13 3.081535977782493E-10 7.548717127881839E-11 8.244077607882382E-12 9.097937577454659E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.29   n/a E2021B55  

216949 (1999 UA63)          Discovered 1999-Oct-19 by LINEAR at Socorro
Reference: 20090806/Numbers.arcLast Updated: 2009-08-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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