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102129 (1999 RM179)
Classification: Main-belt Asteroid          SPK-ID: 2102129
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1300860681192273 4.1733e-08  
a 2.289233464807607 6.967e-09 au
q 1.99143608436383 9.5521e-08 au
i 5.195202898801154 4.4345e-06 deg
node 46.42851405904218 3.4179e-05 deg
peri 341.91459880 3.6441e-05 deg
M 19.55822258663627 1.1479e-05 deg
tp 2459131.767769253309
(2020-Oct-09.26776925)
4.0382e-05 TDB
period 1265.125343532769
3.46
5.7754e-06
1.581e-08
d
yr
n .2845567847014482 1.299e-09 deg/d
Q 2.587030845251384 7.8733e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1162  
   data-arc span      8306 days (22.74 yr)  
   first obs. used      1998-04-21  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50547  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:30:37  

Additional Information
 Earth MOID = .996023 au 
 Jupiter MOID = 2.84379 au 
 T_jup = 3.583 
[ 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 15.83   n/a E2021B55  
rotation period rot_per 44.408 h n/a LCDB (Rev. 2020-October); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

102129 (1999 RM179)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 RM179 = 1998 HN76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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