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101970 (1999 RR46)
Classification: Main-belt Asteroid          SPK-ID: 2101970
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1323776845126092 5.0965e-08  
a 2.624101772906954 1.9392e-08 au
q 2.276729256284098 1.4068e-07 au
i 9.651223882409672 5.0982e-06 deg
node 139.7617118119919 2.701e-05 deg
peri 230.8915819486666 3.2342e-05 deg
M 276.9660628435017 2.1111e-05 deg
tp 2459358.615046898009
(2021-May-24.11504690)
9.2931e-05 TDB
period 1552.635239255227
4.25
1.7211e-05
4.712e-08
d
yr
n .23186386016376 2.5701e-09 deg/d
Q 2.971474289529809 2.1959e-08 au
  Orbit Determination Parameters
   # obs. used (total)      815  
   data-arc span      8595 days (23.53 yr)  
   first obs. used      1997-02-13  
   last obs. used      2020-08-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56563  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:57:27  

Additional Information
 Earth MOID = 1.28866 au 
 Jupiter MOID = 2.50951 au 
 T_jup = 3.371 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456735.5 (2014-Mar-19.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1322360200345392 5.0752e-08  
q 2.276830022619252 1.4012e-07 au
tp 2456259.812776175471
(2012-Nov-28.31277618)
8.2859e-05 TDB
node 139.8031977542323 2.7033e-05 deg
peri 231.7811953617548 3.2447e-05 deg
i 9.646953994345768 5.096e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      815  
   data-arc span      8595 days (23.53 yr)  
   first obs. used      1997-02-13  
   last obs. used      2020-08-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56563  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:57:27  

Additional Information
 Jupiter MOID = 2.50951 au 
 T_jup = 3.371 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.575812345363638E-15 -7.065449006484898E-15 -1.30433076972402E-12 -5.510265674610365E-16 -2.730623685052477E-13 3.775321793401375E-15
q -7.065449006484898E-15 1.963310739738643E-14 3.577857491550262E-12 2.838007966769575E-16 7.649036552251156E-13 -9.741007370763128E-15
tp -1.30433076972402E-12 3.577857491550262E-12 6.865536540899583E-9 -1.125181484692282E-11 1.508564447898069E-9 8.281112084763377E-13
node -5.510265674610365E-16 2.838007966769575E-16 -1.125181484692282E-11 7.307821503017845E-10 -7.2232985970177E-10 3.038689423209795E-11
peri -2.730623685052477E-13 7.649036552251156E-13 1.508564447898069E-9 -7.2232985970177E-10 1.052800260827076E-9 -2.970853751307805E-11
i 3.775321793401375E-15 -9.741007370763128E-15 8.281112084763377E-13 3.038689423209795E-11 -2.970853751307805E-11 2.596871823904257E-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 14.9   n/a MPO436477  

101970 (1999 RR46)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 RR46 = 2004 VK73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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