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90866 (1996 RA28)
Classification: Inner Main-belt Asteroid          SPK-ID: 2090866
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09803648805250186 6.1948e-08  
a 1.94486036800008 7.8523e-09 au
q 1.754193087768856 1.2125e-07 au
i 18.70462110045516 7.5112e-06 deg
node 349.2751819341219 1.2578e-05 deg
peri 32.99773590163547 2.9178e-05 deg
M 242.7677909586684 2.4577e-05 deg
tp 2459323.108283458380
(2021-Apr-18.60828346)
6.7872e-05 TDB
period 990.67468739816
2.71
5.9997e-06
1.643e-08
d
yr
n .3633887133479501 2.2008e-09 deg/d
Q 2.135527648231304 8.6221e-09 au
  Orbit Determination Parameters
   # obs. used (total)      778  
   data-arc span      8232 days (22.54 yr)  
   first obs. used      1996-09-10  
   last obs. used      2019-03-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50799  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:35:55  

Additional Information
 Earth MOID = .767033 au 
 Jupiter MOID = 3.19233 au 
 T_jup = 3.828 
[ 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 15.9   n/a MPO453347  

90866 (1996 RA28)          Discovered 1996-Sep-10 by Uppsala-DLR Trojan Survey at La Silla
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1996 RA28 = 2003 BD21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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