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30956 (1994 QP)
Classification: Main-belt Asteroid          SPK-ID: 2030956
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1859021235811335 5.4205e-08  
a 3.175289716261434 2.4032e-08 au
q 2.584996615023099 1.7272e-07 au
i 22.74518812032087 5.2416e-06 deg
node 65.7222130590585 1.5228e-05 deg
peri 260.4967317217983 2.0963e-05 deg
M 235.3081213509385 1.7082e-05 deg
tp 2459916.328737661985
(2022-Dec-02.82873766)
0.00010097 TDB
period 2066.68107297984
5.66
2.3462e-05
6.424e-08
d
yr
n .1741923341277495 1.9775e-09 deg/d
Q 3.765582817499769 2.85e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1378  
   data-arc span      9706 days (26.57 yr)  
   first obs. used      1994-08-27  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51606  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:32:45  

Additional Information
 Earth MOID = 1.68575 au 
 Jupiter MOID = 1.8288 au 
 T_jup = 3.054 
[ 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 13.34   n/a MPCxxxxx  
diameter diameter 11.861 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30956 (1994 QP)          Discovered 1994-Aug-27 by Garradd, G. J. at Siding Spring
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 QP = 1998 HM101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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