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102160 (1999 RG216)
Classification: Main-belt Asteroid          SPK-ID: 2102160
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .138850777337383 4.769e-08  
a 2.298657720299377 6.5872e-09 au
q 1.979487309003232 1.094e-07 au
i 4.115090315116642 2.939e-06 deg
node 125.6130604328673 7.0134e-05 deg
peri 255.1763930772885 7.095e-05 deg
M 19.77453127387219 1.0377e-05 deg
tp 2459130.578041254093
(2020-Oct-08.07804125)
3.6672e-05 TDB
period 1272.945730035372
3.49
5.4718e-06
1.498e-08
d
yr
n .2828086001671072 1.2157e-09 deg/d
Q 2.617828131595522 7.5018e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1191  
   data-arc span      8332 days (22.81 yr)  
   first obs. used      1998-04-21  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51066  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:40:38  

Additional Information
 Earth MOID = .98529 au 
 Jupiter MOID = 2.84378 au 
 T_jup = 3.577 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457501.5 (2016-Apr-23.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1401452935104046 4.7782e-08  
q 1.976260412639795 1.0977e-07 au
tp 2457857.547270899608
(2017-Apr-14.04727090)
3.6195e-05 TDB
node 125.6557226041793 7.022e-05 deg
peri 255.2043969062539 7.1009e-05 deg
i 4.113141768237599 2.9374e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1191  
   data-arc span      8332 days (22.81 yr)  
   first obs. used      1998-04-21  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51066  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:40:38  

Additional Information
 Jupiter MOID = 2.84378 au 
 T_jup = 3.577 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.283158378702358E-15 -5.238089338793888E-15 8.731474279992051E-14 5.491914187519096E-14 -5.445014574594782E-14 -3.73723031212691E-15
q -5.238089338793888E-15 1.204942898858631E-14 -2.190840672438004E-13 -1.25448844227566E-13 1.160722452292343E-13 8.646697020197767E-15
tp 8.731474279992051E-14 -2.190840672438004E-13 1.310110366270609E-9 -1.351061248385958E-12 4.099665598413315E-10 2.232600920725535E-15
node 5.491914187519096E-14 -1.25448844227566E-13 -1.351061248385958E-12 4.930786443732596E-9 -4.919202475718235E-9 2.720314697102744E-11
peri -5.445014574594782E-14 1.160722452292343E-13 4.099665598413315E-10 -4.919202475718235E-9 5.042342430591835E-9 -2.710375603184676E-11
i -3.73723031212691E-15 8.646697020197767E-15 2.232600920725535E-15 2.720314697102744E-11 -2.710375603184676E-11 8.628479691449397E-12

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 15.68   n/a E2021B55  

102160 (1999 RG216)          Discovered 1999-Sep-04 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 RG216 = 2001 FM124 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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