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233590 (2007 RX81)
Classification: Main-belt Asteroid          SPK-ID: 2233590
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 .05100735575786419 5.8084e-08  
a 2.973790807411098 2.4855e-08 au
q 2.822105601748014 1.7026e-07 au
i 1.771872286912066 6.4662e-06 deg
node 147.2022441340986 0.00012933 deg
peri 194.0754618317573 0.00013548 deg
M 178.2579768113877 4.0783e-05 deg
tp 2458073.007255134225
(2017-Nov-15.50725513)
0.0002109 TDB
period 1873.113305358397
5.13
2.3484e-05
6.43e-08
d
yr
n .192193392129644 2.4096e-09 deg/d
Q 3.125476013074182 2.6123e-08 au
  Orbit Determination Parameters
   # obs. used (total)      306  
   data-arc span      9077 days (24.85 yr)  
   first obs. used      1995-03-27  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60629  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 07:21:36  

Additional Information
 Earth MOID = 1.81336 au 
 Jupiter MOID = 2.089 au 
 T_jup = 3.259 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457155.5 (2015-May-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04893744273208005 5.7978e-08  
q 2.830870291838621 1.6929e-07 au
tp 2458070.200656608284
(2017-Nov-12.70065661)
0.00021997 TDB
node 147.1974955730456 0.00012933 deg
peri 193.3930648375044 0.000136 deg
i 1.770838795859217 6.4663e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      306  
   data-arc span      9077 days (24.85 yr)  
   first obs. used      1995-03-27  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60629  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 07:21:36  

Additional Information
 Jupiter MOID = 2.089 au 
 T_jup = 3.259 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.361394264275729E-15 -9.721640209032047E-15 -2.018307978856128E-12 7.996345453153264E-15 -4.041537424851964E-13 2.358316837495726E-16
q -9.721640209032047E-15 2.86591344028599E-14 6.355012966144265E-12 -2.513245486965358E-14 1.213959618498956E-12 -5.744920144517305E-16
tp -2.018307978856128E-12 6.355012966144265E-12 4.838549419385341E-8 -2.466794209899152E-11 9.248177738851426E-9 7.304780505935539E-13
node 7.996345453153264E-15 -2.513245486965358E-14 -2.466794209899152E-11 1.672699430782047E-8 -1.672308236777287E-8 2.875249839591089E-11
peri -4.041537424851964E-13 1.213959618498956E-12 9.248177738851426E-9 -1.672308236777287E-8 1.849482808193856E-8 -2.860638976454465E-11
i 2.358316837495726E-16 -5.744920144517305E-16 7.304780505935539E-13 2.875249839591089E-11 -2.860638976454465E-11 4.181261106224704E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO427343  
diameter diameter 4.320 km 1.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233590 (2007 RX81)          Discovered 2007-Sep-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

Alternate Designations
 2007 RX81 = 2002 TX93 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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