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JPL Small-Body Database Browser
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5139 Rumoi (1990 VH4)
Classification: Main-belt Asteroid          SPK-ID: 2005139
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03163507937964426 3.1568e-08  
a 2.854268229583853 1.2825e-08 au
q 2.763973227570171 8.9277e-08 au
i 2.850554599695246 3.5853e-06 deg
node 57.04051770036071 7.3532e-05 deg
peri 224.9950561275591 9.5939e-05 deg
M 87.96203674321799 6.2107e-05 deg
tp 2458170.138534113856
(2018-Feb-20.63853411)
0.00030411 TDB
period 1761.329471841239
4.82
1.1872e-05
3.25e-08
d
yr
n .2043910612724076 1.3776e-09 deg/d
Q 2.944563231597535 1.3231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2671  
   data-arc span      23012 days (63.00 yr)  
   first obs. used      1956-10-29  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45085  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:43:01  

Additional Information
 Earth MOID = 1.74791 au 
 Jupiter MOID = 2.08498 au 
 T_jup = 3.302 
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Orbital Elements at Epoch 2456570.5 (2013-Oct-05.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03423165835010244 3.1602e-08  
q 2.756829590999641 8.9778e-08 au
tp 2456410.286809867919
(2013-Apr-27.78680987)
0.00028219 TDB
node 57.09792245969025 7.3632e-05 deg
peri 225.3458810017169 9.3057e-05 deg
i 2.849774714104902 3.5814e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2671  
   data-arc span      23012 days (63.00 yr)  
   first obs. used      1956-10-29  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45085  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:43:01  

Additional Information
 Jupiter MOID = 2.08498 au 
 T_jup = 3.302 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.986726771199513E-16 -2.810212604117456E-15 1.829654597616391E-13 -3.728292435189157E-16 3.871972314106253E-14 1.490079042208321E-16
q -2.810212604117456E-15 8.060109097225874E-15 -9.663438392427412E-13 3.975040181990635E-16 -1.979595403435132E-13 -3.01409428904166E-16
tp 1.829654597616391E-13 -9.663438392427412E-13 7.963314380451216E-8 2.037816741595081E-11 1.607510380631692E-8 -2.694786112132915E-13
node -3.728292435189157E-16 3.975040181990635E-16 2.037816741595081E-11 5.421721238701141E-9 -5.410615329317276E-9 -1.472332171642097E-11
peri 3.871972314106253E-14 -1.979595403435132E-13 1.607510380631692E-8 -5.410615329317276E-9 8.65961750092873E-9 1.465666899571822E-11
i 1.490079042208321E-16 -3.01409428904166E-16 -2.694786112132915E-13 -1.472332171642097E-11 1.465666899571822E-11 1.282623219410619E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.0   n/a MPO332867  
diameter diameter 11.956 km 0.280 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.257 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Cooney, Jr.; W.R.; Gross, J.; Terrell, D.; Reddy, V.; Dyvig, R. (2007) Minor Planet Bull. 34, 47-48.]
geometric albedo albedo 0.409   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5139 Rumoi (1990 VH4)          Discovered 1990-Nov-13 by Mukai and Takeishi at Kagoshima
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1990 VH4 = 1956 UM = 1959 JH = 1973 FG2 = 1989 QK1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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