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 ]  
134467 (1998 UM7)
Classification: Main-belt Asteroid          SPK-ID: 2134467
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3070983584086732 7.0995e-08  
a 2.529843141049551 7.4451e-09 au
q 1.752932465401792 1.824e-07 au
i 5.707183531936145 4.0355e-06 deg
node 71.5604579989529 5.0263e-05 deg
peri 294.5449890043083 5.0525e-05 deg
M 147.8217995635613 4.9685e-06 deg
tp 2458397.003434989508
(2018-Oct-05.50343499)
1.9264e-05 TDB
period 1469.734261423052
4.02
6.4879e-06
1.776e-08
d
yr
n .2449422385046904 1.0813e-09 deg/d
Q 3.30675381669731 9.7314e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1392  
   data-arc span      12221 days (33.46 yr)  
   first obs. used      1986-10-31  
   last obs. used      2020-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44423  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:09:03  

Additional Information
 Earth MOID = .76127 au 
 Jupiter MOID = 2.17357 au 
 T_jup = 3.377 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456956.5 (2014-Oct-26.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .30635702598794 7.1075e-08  
q 1.755107863039619 1.8255e-07 au
tp 2456921.987114046194
(2014-Sep-21.48711405)
1.803e-05 TDB
node 71.86483916438031 5.0405e-05 deg
peri 293.5911240538456 5.068e-05 deg
i 5.698159305651921 4.0176e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1392  
   data-arc span      12221 days (33.46 yr)  
   first obs. used      1986-10-31  
   last obs. used      2020-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44423  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:09:03  

Additional Information
 Jupiter MOID = 2.17357 au 
 T_jup = 3.377 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.051640386073465E-15 -1.297108906942644E-14 3.34578793098858E-14 -1.154737043039585E-14 -7.479242444366607E-14 -2.530221667996779E-14
q -1.297108906942644E-14 3.332475577157569E-14 -7.497229943749632E-14 2.965165626021323E-14 1.945699217340984E-13 6.521411702050376E-14
tp 3.34578793098858E-14 -7.497229943749632E-14 3.250671559972597E-10 2.751308978615169E-13 1.20344487640389E-10 -1.707345323125864E-13
node -1.154737043039585E-14 2.965165626021323E-14 2.751308978615169E-13 2.540694460194399E-9 -2.527732672700875E-9 -1.189327316763113E-10
peri -7.479242444366607E-14 1.945699217340984E-13 1.20344487640389E-10 -2.527732672700875E-9 2.568448816036952E-9 1.1872935581185E-10
i -2.530221667996779E-14 6.521411702050376E-14 -1.707345323125864E-13 -1.189327316763113E-10 1.1872935581185E-10 1.614086403857532E-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 15.7   n/a MPO453829  
diameter diameter 1.757 km 0.416 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.62968 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.396   0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134467 (1998 UM7)          Discovered 1998-Oct-22 by Korlevic, K. at Visnjan
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ 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
1935-Jan-29 17:50 00:01 David 0.00835547513750669 0.00834707818775186 0.00836387208718401 5.11159261785771 5.11159226414093 2427832.243100997 1.28850322719563 418.503367577258 58.7658198584142 0.110452753585422 2985.04230870041 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 16:09:06 2020-Nov-12 16:09
2116-Jun-24 07:27 00:01 David 0.0219702004228054 0.0219680519726732 0.0219723544022867 5.7812095330272 5.78120941408655 2494087.810479163 1.09479448702455 693.949488458483 64.1495094452594 82.8560298253226 50816.9705954245 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 16:09:06 2020-Nov-12 16:09

Alternate Designations
 1998 UM7 = 1996 DV7 = 2002 PL45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-27 05:11 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin