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134538 (1999 RQ84)
Classification: Main-belt Asteroid          SPK-ID: 2134538
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2161293764748019 4.5596e-08  
a 2.318779941495349 6.0071e-09 au
q 1.817623478557682 1.0733e-07 au
i 3.193515581529657 3.2915e-06 deg
node 220.9070938292257 8.7189e-05 deg
peri 102.7821637917669 8.7723e-05 deg
M 27.50090971097262 8.3002e-06 deg
tp 2459101.978211160131
(2020-Sep-09.47821116)
2.9675e-05 TDB
period 1289.697117481228
3.53
5.0117e-06
1.372e-08
d
yr
n .2791353063602082 1.0847e-09 deg/d
Q 2.819936404433017 7.3054e-09 au
  Orbit Determination Parameters
   # obs. used (total)      594  
   data-arc span      9798 days (26.83 yr)  
   first obs. used      1994-02-11  
   last obs. used      2020-12-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47941  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:08:49  

Additional Information
 Earth MOID = .806859 au 
 Jupiter MOID = 2.52098 au 
 T_jup = 3.546 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457409.5 (2016-Jan-22.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .215655846203715 4.5517e-08  
q 1.819397279727948 1.0701e-07 au
tp 2457812.660242022110
(2017-Feb-28.16024202)
2.9627e-05 TDB
node 220.940151933392 8.7181e-05 deg
peri 102.8680019053944 8.772e-05 deg
i 3.192888210682422 3.2915e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      594  
   data-arc span      9798 days (26.83 yr)  
   first obs. used      1994-02-11  
   last obs. used      2020-12-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47941  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:08:49  

Additional Information
 Jupiter MOID = 2.52098 au 
 T_jup = 3.546 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.071825071690096E-15 -4.866491188437471E-15 -2.87455223455945E-13 -1.037253523980428E-14 -7.709000291365586E-14 -6.116269683418083E-15
q -4.866491188437471E-15 1.145089172830746E-14 6.596116612845412E-13 2.476941350278163E-14 1.729784029451657E-13 1.441764576688443E-14
tp -2.87455223455945E-13 6.596116612845412E-13 8.777615289296877E-10 4.078614012522598E-12 3.097870317222593E-10 1.126612802019581E-12
node -1.037253523980428E-14 2.476941350278163E-14 4.078614012522598E-12 7.600545722886086E-9 -7.587456841350045E-9 2.384932793065732E-12
peri -7.709000291365586E-14 1.729784029451657E-13 3.097870317222593E-10 -7.587456841350045E-9 7.694759690261004E-9 -2.017728440924302E-12
i -6.116269683418083E-15 1.441764576688443E-14 1.126612802019581E-12 2.384932793065732E-12 -2.017728440924302E-12 1.083420782766539E-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 16.80   n/a E2021B55  

134538 (1999 RQ84)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 1999 RQ84 = 2002 JW31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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