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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0585813375672076 4.0656e-08  
a 2.34819125167091 9.0698e-09 au
q 2.210631067284412 9.6559e-08 au
i 7.414353684942322 3.9152e-06 deg
node 107.2021832622126 3.4861e-05 deg
peri 88.52764401603054 4.9662e-05 deg
M 172.2515479571381 3.6755e-05 deg
tp 2458371.632344706826
(2018-Sep-10.13234471)
0.00013314 TDB
period 1314.312460993828
3.60
7.6147e-06
2.085e-08
d
yr
n .2739074692541399 1.5869e-09 deg/d
Q 2.485751436057407 9.6011e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1523  
   data-arc span      8112 days (22.21 yr)  
   first obs. used      1998-09-01  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48464  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:27:21  

Additional Information
 Earth MOID = 1.22368 au 
 Jupiter MOID = 2.49715 au 
 T_jup = 3.546 
[ 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. 2020-October); 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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