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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1777143962294209 7.2966e-08  
a 2.211541471797318 9.4794e-09 au
q 1.818518714400533 1.6157e-07 au
i 6.253563051491888 6.6222e-06 deg
node 153.1724077714215 4.8277e-05 deg
peri 207.730961963962 4.9994e-05 deg
M 145.3574215738295 1.1512e-05 deg
tp 2456915.461995469875
(2014-Sep-14.96199547)
3.8277e-05 JED
period 1201.271182030123
3.29
7.7236e-06
2.115e-08
d
yr
n .299682540782846 1.9268e-09 deg/d
Q 2.604564229194103 1.1164e-08 au
  Orbit Determination Parameters
   # obs. used (total)      855  
   data-arc span      8863 days (24.27 yr)  
   first obs. used      1991-09-12  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55763  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:09:21  

Additional Information
 Earth MOID = .815542 au 
 Jupiter MOID = 2.83551 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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