Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
312951 (1995 YQ11)
Classification: Main-belt Asteroid          SPK-ID: 2312951
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04137003541935554 9.9865e-08  
a 3.053209115539034 3.3518e-08 au
q 2.926897746286484 3.2698e-07 au
i 12.48628644683857 6.2476e-06 deg
node 285.1604335652128 3.4301e-05 deg
peri 78.77459086700409 9.63e-05 deg
M 28.06108929648594 8.661e-05 deg
tp 2459244.607868226966
(2021-Jan-30.10786823)
0.00046857 TDB
period 1948.647355081107
5.34
3.2088e-05
8.785e-08
d
yr
n .1847435345658096 3.0421e-09 deg/d
Q 3.179520484791583 3.4904e-08 au
  Orbit Determination Parameters
   # obs. used (total)      203  
   data-arc span      9120 days (24.97 yr)  
   first obs. used      1995-12-18  
   last obs. used      2020-12-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53483  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:31:58  

Additional Information
 Earth MOID = 1.95167 au 
 Jupiter MOID = 2.11119 au 
 T_jup = 3.199 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457997.5 (2017-Sep-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04552109892191587 9.9705e-08  
q 2.914566206487607 3.2864e-07 au
tp 2457291.505661174379
(2015-Sep-26.00566117)
0.0004147 TDB
node 285.2508687693173 3.4373e-05 deg
peri 78.34096664080951 8.7613e-05 deg
i 12.47113512059288 6.2293e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      203  
   data-arc span      9120 days (24.97 yr)  
   first obs. used      1995-12-18  
   last obs. used      2020-12-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53483  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:31:58  

Additional Information
 Jupiter MOID = 2.11119 au 
 T_jup = 3.199 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.941104378163322E-15 -3.267997500495966E-14 -1.170780068400998E-11 1.100760584177239E-14 -2.217881018400845E-12 -5.114555872742226E-14
q -3.267997500495966E-14 1.080072851976703E-13 3.620392074176544E-11 -2.753713389122571E-14 6.875240823335072E-12 1.708125041322966E-13
tp -1.170780068400998E-11 3.620392074176544E-11 1.719790970887675E-7 -1.474351728395784E-10 3.351441263012996E-8 6.652782744539028E-11
node 1.100760584177239E-14 -2.753713389122571E-14 -1.474351728395784E-10 1.181491966556621E-9 -1.182106277269776E-9 1.206147474325755E-10
peri -2.217881018400845E-12 6.875240823335072E-12 3.351441263012996E-8 -1.182106277269776E-9 7.67611079840145E-9 -1.051709428966841E-10
i -5.114555872742226E-14 1.708125041322966E-13 6.652782744539028E-11 1.206147474325755E-10 -1.051709428966841E-10 3.880400706696802E-11

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 15.90   n/a MPCxxxxx  
diameter diameter 3.476 km 0.698 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

312951 (1995 YQ11)          Discovered 1995-Dec-18 by Spacewatch at Kitt Peak
Reference: 20120207/Numbers.arcLast Updated: 2012-02-09

[ 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
1945-May-29 15:20 00:01 Cybel 0.0420605919224082 0.0420227823492929 0.0420984038951849 5.17182106502971 5.17182103706585 2431605.139193553 1.31389696237241 1950.71713064329 137.028815151833 14.9576006677175 12250.2851367405 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 06:31:59 2021-Apr-14 06:32

Alternate Designations
 1995 YQ11 = 2004 PE106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-23 14:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin