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19253 (1994 RN28)
Classification: Main-belt Asteroid          SPK-ID: 2019253
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09622659390796486 3.3887e-08  
a 2.97911016896229 1.5501e-08 au
q 2.692440544526467 1.0176e-07 au
i 1.547998333940541 5.7507e-06 deg
node 2.802678541024198 0.00010816 deg
peri 294.7741483182107 0.00011333 deg
M 68.36380086332288 3.2031e-05 deg
tp 2458843.841997888961
(2019-Dec-26.34199789)
0.00016807 TDB
period 1878.141342911478
5.14
1.4658e-05
4.013e-08
d
yr
n .1916788645107675 1.496e-09 deg/d
Q 3.265779793398114 1.6992e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1216  
   data-arc span      9670 days (26.48 yr)  
   first obs. used      1994-08-12  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55294  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:49:55  

Additional Information
 Earth MOID = 1.67512 au 
 Jupiter MOID = 1.90586 au 
 T_jup = 3.252 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457284.5 (2015-Sep-19.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09720206164721204 3.4017e-08  
q 2.690902941008216 1.0287e-07 au
tp 2456972.661596479433
(2014-Nov-11.16159648)
0.00017272 TDB
node 2.991632204993491 0.00010794 deg
peri 296.2244209120206 0.00011303 deg
i 1.549812105924768 5.7545e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1216  
   data-arc span      9670 days (26.48 yr)  
   first obs. used      1994-08-12  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55294  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:49:55  

Additional Information
 Jupiter MOID = 1.90586 au 
 T_jup = 3.252 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.157178079764514E-15 -3.465128319424665E-15 2.081107052913888E-12 2.598645594338781E-15 3.478528448738357E-13 -1.713259005865178E-16
q -3.465128319424665E-15 1.058125612547557E-14 -7.359693391487308E-12 -1.036371809454754E-14 -1.256597717672555E-12 7.134728620270166E-16
tp 2.081107052913888E-12 -7.359693391487308E-12 2.983132337138066E-8 2.898707804355109E-11 5.786985594748977E-9 -1.005402657524075E-12
node 2.598645594338781E-15 -1.036371809454754E-14 2.898707804355109E-11 1.165120983446064E-8 -1.164115353009669E-8 9.273215862179035E-11
peri 3.478528448738357E-13 -1.256597717672555E-12 5.786985594748977E-9 -1.164115353009669E-8 1.277521782623919E-8 -9.288918804012737E-11
i -1.713259005865178E-16 7.134728620270166E-16 -1.005402657524075E-12 9.273215862179035E-11 -9.288918804012737E-11 3.31142325029652E-11

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 14.75   n/a E2021B10  

19253 (1994 RN28)          Discovered 1994-Sep-05 by Elst, E. W. at La Silla
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1994 RN28 = 1994 PP25 = 1998 HG77 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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