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29209 (1991 RV7)
Classification: Main-belt Asteroid          SPK-ID: 2029209
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1779174644393298 7.0385e-08  
a 2.211238351001692 9.3569e-09 au
q 1.817820430320466 1.5559e-07 au
i 6.252960920499702 6.4176e-06 deg
node 153.168909671485 4.5264e-05 deg
peri 207.8605461630155 4.6743e-05 deg
M 205.1210954510922 1.0998e-05 deg
tp 2458117.203652319741
(2017-Dec-29.70365232)
3.7433e-05 JED
period 1201.024215511334
3.29
7.6233e-06
2.087e-08
d
yr
n .299744164481089 1.9026e-09 deg/d
Q 2.604656271682917 1.1022e-08 au
  Orbit Determination Parameters
   # obs. used (total)      940  
   data-arc span      8967 days (24.55 yr)  
   first obs. used      1991-09-12  
   last obs. used      2016-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55158  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:53:30  

Additional Information
 Earth MOID = .815752 au 
 Jupiter MOID = 2.83591 au 
 T_jup = 3.628 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3 mag n/a MPO319445  

29209 (1991 RV7)          Discovered 1991-Sep-12 by Holt, H. E. at Palomar
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 RV7 = 1999 BD23 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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