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117968 (9564 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117968
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2210614915392287 4.1951e-08  
a 2.349461762806213 1.0081e-08 au
q 1.830086241205886 1.0084e-07 au
i 3.599338090662356 4.1132e-06 deg
node 60.51983767146262 7.4917e-05 deg
peri 329.6502065185776 7.5495e-05 deg
M 237.496160750882 1.1395e-05 deg
tp 2459648.108368714208
(2022-Mar-09.60836871)
4.3644e-05 TDB
period 1315.379287088549
3.60
8.4658e-06
2.318e-08
d
yr
n .2736853191575043 1.7614e-09 deg/d
Q 2.86883728440654 1.2309e-08 au
  Orbit Determination Parameters
   # obs. used (total)      544  
   data-arc span      21771 days (59.61 yr)  
   first obs. used      1960-10-17  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55446  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:15:01  

Additional Information
 Earth MOID = .835564 au 
 Jupiter MOID = 2.57497 au 
 T_jup = 3.523 
[ 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 16.48   n/a E2021B55  

117968 (9564 P-L)          Discovered 1960-Oct-17 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1906-Apr-01 15:34 < 00:01 Vesta 0.0404413632375419 0.0404383770820535 0.0404443506902623 6.13537634204839 6.13537586250533 2417302.148665865 0.639186089533858 416.049688544757 55.4037829001744 70.4398945645341 102822.597981093 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 18:15:03 2020-Nov-12 18:15

Alternate Designations
 9564 P-L = 2001 AA31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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