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91180 (1998 RS34)
Classification: Main-belt Asteroid          SPK-ID: 2091180
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .190166641592695 4.6226e-08  
a 3.179955424914218 2.9563e-08 au
q 2.57523398134381 1.5226e-07 au
i 2.577142260059297 5.1659e-06 deg
node 102.8721308618311 0.00013855 deg
peri 210.054413367902 0.00013941 deg
M 324.6709491435359 1.6451e-05 deg
tp 2459203.763521075141
(2020-Dec-20.26352108)
9.5683e-05 TDB
period 2071.237857035779
5.67
2.8884e-05
7.908e-08
d
yr
n .1738091058818365 2.4238e-09 deg/d
Q 3.784676868484627 3.5185e-08 au
  Orbit Determination Parameters
   # obs. used (total)      484  
   data-arc span      9705 days (26.57 yr)  
   first obs. used      1993-11-21  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61319  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:38:06  

Additional Information
 Earth MOID = 1.56157 au 
 Jupiter MOID = 1.50612 au 
 T_jup = 3.170 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456493.5 (2013-Jul-20.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .188972517306437 4.6319e-08  
q 2.577239843673784 1.5202e-07 au
tp 2457137.960902122033
(2015-Apr-25.46090212)
8.9375e-05 TDB
node 102.8794286668805 0.00013863 deg
peri 210.7561287418179 0.00013951 deg
i 2.576747156136625 5.1644e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      484  
   data-arc span      9705 days (26.57 yr)  
   first obs. used      1993-11-21  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61319  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:38:06  

Additional Information
 Jupiter MOID = 1.50612 au 
 T_jup = 3.170 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.145411066709011E-15 -6.949918495031674E-15 7.493058272445842E-13 1.103148441837409E-14 1.088055010089964E-13 -8.462264202885521E-16
q -6.949918495031674E-15 2.310888950601157E-14 -2.236363600588264E-12 -3.19938087524428E-14 -3.6145418420427E-13 3.157344729964859E-15
tp 7.493058272445842E-13 -2.236363600588264E-12 7.987811381563988E-9 2.596932531575254E-11 1.452838234338323E-9 -1.042097015065575E-12
node 1.103148441837409E-14 -3.19938087524428E-14 2.596932531575254E-11 1.921764956114329E-8 -1.919356469839093E-8 -3.092073666308024E-11
peri 1.088055010089964E-13 -3.6145418420427E-13 1.452838234338323E-9 -1.919356469839093E-8 1.946267421101098E-8 3.067749997357463E-11
i -8.462264202885521E-16 3.157344729964859E-15 -1.042097015065575E-12 -3.092073666308024E-11 3.067749997357463E-11 2.667063056987498E-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 15.0   n/a MPO432450  

91180 (1998 RS34)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1998 RS34 = 1997 LZ9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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