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134549 (1999 RN154)
Classification: Main-belt Asteroid          SPK-ID: 2134549
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08133516829145815 3.717e-08  
a 2.285347340921867 9.9858e-09 au
q 2.09946823034355 8.3754e-08 au
i 6.159722401193387 4.7414e-06 deg
node 324.5923976996465 3.7754e-05 deg
peri 95.48790244150612 4.8008e-05 deg
M 291.7999476645377 3.0307e-05 deg
tp 2459239.561124611908
(2021-Jan-25.06112461)
0.00010654 TDB
period 1261.905261259408
3.45
8.2708e-06
2.264e-08
d
yr
n .2852829059771988 1.8698e-09 deg/d
Q 2.471226451500184 1.0798e-08 au
  Orbit Determination Parameters
   # obs. used (total)      765  
   data-arc span      7639 days (20.91 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5409  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:57:04  

Additional Information
 Earth MOID = 1.12261 au 
 Jupiter MOID = 2.74028 au 
 T_jup = 3.590 
[ 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 15.7   n/a MPO436657  
rotation period rot_per 124. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2014) Minor Planet Bull. 41, 102-112.]

134549 (1999 RN154)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

Alternate Designations
 1999 RN154 = 2001 DX14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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