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49039 (1998 RH)
Classification: Main-belt Asteroid          SPK-ID: 2049039
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05833822242204622 4.5263e-08  
a 2.349489212786605 1.0979e-08 au
q 2.212424188512862 1.0774e-07 au
i 7.41296230786471 4.6843e-06 deg
node 107.20243958 3.7998e-05 deg
peri 89.09891648137319 5.5789e-05 deg
M 62.15792640779315 4.0481e-05 deg
tp 2458373.381439394474
(2018-Sep-11.88143939)
0.00014791 TDB
period 1315.402339543589
3.60
9.2203e-06
2.524e-08
d
yr
n .273680522816244 1.9184e-09 deg/d
Q 2.486554237060349 1.162e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1249  
   data-arc span      7562 days (20.70 yr)  
   first obs. used      1998-09-01  
   last obs. used      2019-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51381  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:48:58  

Additional Information
 Earth MOID = 1.22552 au 
 Jupiter MOID = 2.49761 au 
 T_jup = 3.545 
[ 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 14.4   n/a MPO436126  
diameter diameter 3.069 km 0.727 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 72. h n/a LCDB (Rev. 2019-January); Warner et al., 2009 lower-limit; Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Szabo, R.; Pal, A.; Sarneczky, K.; Szabo, Gy.M.; et al. (2016) Astron. Astrophys. 596, A40.]
geometric albedo albedo 0.392   0.137 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49039 (1998 RH)          Discovered 1998-Sep-01 by Zoltowski, F. B. at Woomera
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 RH = 2000 AH59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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