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91181 (1998 RV38)
Classification: Main-belt Asteroid          SPK-ID: 2091181
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 .122114920286134 7.3898e-08  
a 3.093959251020578 3.6464e-08 au
q 2.716140663713654 2.2724e-07 au
i 15.51630667287824 8.5924e-06 deg
node 355.6889330428693 2.2686e-05 deg
peri 23.61083257841891 3.7019e-05 deg
M 335.3403302661717 3.0747e-05 deg
tp 2459136.661731725864
(2020-Oct-14.16173173)
0.00017062 TDB
period 1987.789128986902
5.44
3.5141e-05
9.621e-08
d
yr
n .1811057293504155 3.2017e-09 deg/d
Q 3.471777838327503 4.0917e-08 au
  Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      7625 days (20.88 yr)  
   first obs. used      1998-08-30  
   last obs. used      2019-07-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62529  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 14:01:08  

Additional Information
 Earth MOID = 1.7233 au 
 Jupiter MOID = 2.01915 au 
 T_jup = 3.157 
[ 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 14.3   n/a MPO344928  

91181 (1998 RV38)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1998 RV38 = 2000 BM29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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