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213288 (2001 QE95)
Classification: Main-belt Asteroid          SPK-ID: 2213288
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1418859286022369 5.9094e-08  
a 2.694838431085554 1.8389e-08 au
q 2.312478777857985 1.5519e-07 au
i 13.26464111119842 6.1124e-06 deg
node 147.6526734500599 2.4292e-05 deg
peri 162.450793744792 3.2811e-05 deg
M 141.9784033610131 2.4499e-05 deg
tp 2458563.239041647735
(2019-Mar-20.73904165)
0.00010761 TDB
period 1615.836913051327
4.42
1.6539e-05
4.528e-08
d
yr
n .2227947617066009 2.2804e-09 deg/d
Q 3.077198084313123 2.0998e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      6699 days (18.34 yr)  
   first obs. used      2001-07-27  
   last obs. used      2019-11-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59241  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:42:06  

Additional Information
 Earth MOID = 1.30002 au 
 Jupiter MOID = 2.24844 au 
 T_jup = 3.318 
[ 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 16.1   n/a MPO450009  
diameter diameter 1.958 km 0.365 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.167   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

213288 (2001 QE95)          Discovered 2001-Aug-22 by Spacewatch at Kitt Peak
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ 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
1921-Dec-21 20:31 00:02 Thisb 0.0201360002414224 0.0201023461075366 0.0201696679611309 6.23660556892891 6.23660551463473 2423045.354725050 2.17174896848148 1870.21046757671 79.7631045336678 -26.2191532293401 16742.2842217053 T 12 CATAB v2.0f-lin.ifort 2021-Apr-13 23:42:06 2021-Apr-13 23:42
2032-Jul-08 03:42 < 00:01 Thisb 0.0201279170585202 0.0201162889834041 0.0201395453679451 6.26047162091246 6.26047156680354 2463421.654349320 0.875107897825918 589.927641096896 78.0235644275601 -10.7692835292617 8779.9224862239 T 12 CATAB v2.0f-lin.ifort 2021-Apr-13 23:42:06 2021-Apr-13 23:42
2143-Jan-25 07:36 00:03 Thisb 0.0175164598304258 0.0174587782853961 0.0175741604293826 6.22894518406265 6.22894512157216 2503798.816727324 3.19661302168616 3017.03070579616 75.7733025190245 -17.5827915608973 10475.6443800308 T 12 CATAB v2.0f-lin.ifort 2021-Apr-13 23:42:06 2021-Apr-13 23:42
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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