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
JPL Small-Body Database Browser
Search: [ help ]  
101378 (1998 UP12)
Classification: Main-belt Asteroid          SPK-ID: 2101378
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1470198450781762 5.383e-08  
a 2.588766963669749 1.467e-08 au
q 2.208166845727522 1.3681e-07 au
i 2.253224789374951 6.108e-06 deg
node 30.95755953317003 0.00015127 deg
peri 297.9813192818449 0.00015299 deg
M 117.0587545369337 2.4723e-05 deg
tp 2458505.803016939394
(2019-Jan-22.30301694)
0.00010242 TDB
period 1521.380563173753
4.17
1.2932e-05
3.541e-08
d
yr
n .2366271850147762 2.0114e-09 deg/d
Q 2.969367081611976 1.6827e-08 au
  Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      7774 days (21.28 yr)  
   first obs. used      1998-10-12  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60336  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:19:18  

Additional Information
 Earth MOID = 1.19813 au 
 Jupiter MOID = 2.36419 au 
 T_jup = 3.404 
[ 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 16.5   n/a MPO406780  
diameter diameter 2.109 km 0.284 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.091   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101378 (1998 UP12)          Discovered 1998-Oct-18 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 UP12 = 2001 HX18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-26 18:48 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin