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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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 
[ show covariance matrix ]

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2111-May-12 16:04 < 00:01 Amphi 0.0380922504503574 0.038085060809422 0.038099441953482 5.05133542147915 5.05133539160262 2492218.169576582 0.441604422395366 554.743951710441 46.0311573328997 49.980127363465 95003.7771790734 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 18:08:50 2021-Apr-13 18:08

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