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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2160631354342257 4.5612e-08  
a 2.318821735811088 5.9452e-09 au
q 1.817809841058711 1.073e-07 au
i 3.193410807423055 3.2915e-06 deg
node 220.9061872355778 8.7192e-05 deg
peri 102.8008033954711 8.7726e-05 deg
M 82.20207106751158 8.3393e-06 deg
tp 2459102.003776652562
(2020-Sep-09.50377665)
2.9685e-05 TDB
period 1289.731986411947
3.53
4.9601e-06
1.358e-08
d
yr
n .2791277597150438 1.0735e-09 deg/d
Q 2.819833630563466 7.2297e-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 = .80829 au 
 Jupiter MOID = 2.52056 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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