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848 Inna (A915 RQ)
Classification: Main-belt Asteroid          SPK-ID: 2000848
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1627188003024956 3.1235e-08  
a 3.109993859406396 1.1736e-08 au
q 2.60393938965566 9.6523e-08 au
i 1.053782683919933 3.6692e-06 deg
node 207.8168051616392 0.00017369 deg
peri 125.3677697678975 0.00017397 deg
M 56.58093313806049 1.008e-05 deg
tp 2458685.648817313594
(2019-Jul-21.14881731)
5.6037e-05 TDB
period 2003.261867218321
5.48
1.134e-05
3.105e-08
d
yr
n .1797069099607466 1.0172e-09 deg/d
Q 3.616048329157133 1.3646e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3589  
   data-arc span      41947 days (114.84 yr)  
   first obs. used      1905-12-27  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46349  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:25:07  

Additional Information
 Earth MOID = 1.5939 au 
 Jupiter MOID = 1.75614 au 
 T_jup = 3.198 
[ show covariance matrix ]

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 11.3   n/a MPO452169  
diameter diameter 33.027 km 0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.069   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

848 Inna (A915 RQ)          Discovered 1915-Sep-05 by Neujmin, G. at Simeis
Independent discovery Sept. 9 by M. Wolf, Heidelberg, was announced first.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A915 RQ = 1932 WJ = 1934 AC = 1934 CM1 = 1934 CV = 1937 RD = 1959 TJ = A905 YA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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