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134417 (1998 HR60)
Classification: Main-belt Asteroid          SPK-ID: 2134417
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2281728081540395 5.7879e-08  
a 2.419736226310289 1.3053e-08 au
q 1.867618216561012 1.435e-07 au
i 7.902210091431593 6.9691e-06 deg
node 15.88583181217039 3.2554e-05 deg
peri 211.1749422542469 3.5347e-05 deg
M 353.2424406550504 1.7622e-05 deg
tp 2459226.307018557902
(2021-Jan-11.80701856)
6.7443e-05 TDB
period 1374.834641709507
3.76
1.1124e-05
3.046e-08
d
yr
n .2618496720102763 2.1187e-09 deg/d
Q 2.971854236059566 1.6031e-08 au
  Orbit Determination Parameters
   # obs. used (total)      507  
   data-arc span      8089 days (22.15 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58234  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:08:17  

Additional Information
 Earth MOID = .862694 au 
 Jupiter MOID = 2.03244 au 
 T_jup = 3.466 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.84   n/a E2021B55  

134417 (1998 HR60)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

Alternate Designations
 1998 HR60 = 1999 TT252 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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