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 ]  
103043 (1999 XP122)
Classification: Main-belt Asteroid          SPK-ID: 2103043
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1272057899473363 5.8077e-08  
a 2.404913747435395 1.421e-08 au
q 2.098994794437667 1.4304e-07 au
i 6.748276163487597 6.0565e-06 deg
node 8.243610141120245 3.1286e-05 deg
peri 343.4832795325094 3.7347e-05 deg
M 282.1504298514386 2.5368e-05 deg
tp 2459495.078741513680
(2021-Oct-07.57874151)
9.7677e-05 TDB
period 1362.22135514109
3.73
1.2074e-05
3.306e-08
d
yr
n .264274230205937 2.3423e-09 deg/d
Q 2.710832700433124 1.6018e-08 au
  Orbit Determination Parameters
   # obs. used (total)      661  
   data-arc span      7548 days (20.67 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54336  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:44:50  

Additional Information
 Earth MOID = 1.093 au 
 Jupiter MOID = 2.71173 au 
 T_jup = 3.503 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457247.5 (2015-Aug-13.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1261947275736399 5.791e-08  
q 2.102198623232618 1.4231e-07 au
tp 2456768.229257266466
(2014-Apr-20.72925727)
8.4238e-05 TDB
node 8.278029209350068 3.1305e-05 deg
peri 343.0685892049956 3.7443e-05 deg
i 6.746420998943708 6.0525e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      661  
   data-arc span      7548 days (20.67 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54336  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:44:50  

Additional Information
 Jupiter MOID = 2.71173 au 
 T_jup = 3.503 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.353510978286385E-15 -8.210336419607026E-15 1.156831036072879E-12 -2.542542230806672E-15 2.638313837647984E-13 1.380574828294848E-15
q -8.210336419607026E-15 2.025191619849161E-14 -2.265610659988482E-12 4.488474039918609E-15 -5.017341475266119E-13 -3.564736622004979E-15
tp 1.156831036072879E-12 -2.265610659988482E-12 7.096039776492971E-9 -1.383242174313166E-11 1.738331234915441E-9 -3.906700133277314E-12
node -2.542542230806672E-15 4.488474039918609E-15 -1.383242174313166E-11 9.799977005665087E-10 -9.761023915529066E-10 1.805885011286495E-12
peri 2.638313837647984E-13 -5.017341475266119E-13 1.738331234915441E-9 -9.761023915529066E-10 1.401978334144011E-9 -2.779368079307885E-12
i 1.380574828294848E-15 -3.564736622004979E-15 -3.906700133277314E-12 1.805885011286495E-12 -2.779368079307885E-12 3.66326915964143E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.75   n/a E2021B55  
diameter diameter 1.783 km 0.307 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.292   0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

103043 (1999 XP122)          Discovered 1999-Dec-07 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-20 21:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin