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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
49880 (1999 XP135)
Classification: Main-belt Asteroid          SPK-ID: 2049880
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2155958272768157 3.806e-08  
a 2.164885294377219 5.9494e-09 au
q 1.69814505837655 8.0861e-08 au
i 2.821048492847076 3.4061e-06 deg
node 135.272149341511 8.7476e-05 deg
peri 222.457770477368 8.8041e-05 deg
M 215.2376934943493 1.1937e-05 deg
tp 2459468.346899616741
(2021-Sep-10.84689962)
3.9734e-05 TDB
period 1163.458139950625
3.19
4.796e-06
1.313e-08
d
yr
n .3094223914366852 1.2755e-09 deg/d
Q 2.631625530377888 7.2321e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1172  
   data-arc span      8420 days (23.05 yr)  
   first obs. used      1997-01-14  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58335  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:36:22  

Additional Information
 Earth MOID = .695348 au 
 Jupiter MOID = 2.81467 au 
 T_jup = 3.662 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456458.5 (2013-Jun-15.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2159451529331527 3.8097e-08  
q 1.697282732588623 8.0967e-08 au
tp 2455976.502696404171
(2012-Feb-19.00269640)
3.2645e-05 TDB
node 135.3173324204763 8.7404e-05 deg
peri 222.229059790911 8.7967e-05 deg
i 2.821544285357772 3.4086e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1172  
   data-arc span      8420 days (23.05 yr)  
   first obs. used      1997-01-14  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58335  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:36:22  

Additional Information
 Jupiter MOID = 2.81467 au 
 T_jup = 3.662 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.451353332534994E-15 -3.080082549041354E-15 5.090540689244276E-13 -6.688902451831881E-15 1.257641754559108E-13 -8.978141609646845E-16
q -3.080082549041354E-15 6.555676176718927E-15 -1.054618475251128E-12 1.379744616708761E-14 -2.566422640002618E-13 1.832396979918442E-15
tp 5.090540689244276E-13 -1.054618475251128E-12 1.06568397678558E-9 -2.024494294890322E-11 3.423901035958576E-10 -1.399762955099118E-12
node -6.688902451831881E-15 1.379744616708761E-14 -2.024494294890322E-11 7.639479258652292E-9 -7.635707401053655E-9 -1.179346489130853E-11
peri 1.257641754559108E-13 -2.566422640002618E-13 3.423901035958576E-10 -7.635707401053655E-9 7.738127058267921E-9 1.13648379640917E-11
i -8.978141609646845E-16 1.832396979918442E-15 -1.399762955099118E-12 -1.179346489130853E-11 1.13648379640917E-11 1.161857484371956E-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 15.6   n/a MPO452848  
rotation period rot_per 11.111 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Childers, D.; Church, A. (2007) Minor Planet Bull. 34, 124-125.]

49880 (1999 XP135)          Discovered 1999-Dec-08 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XP135 = 1998 HN96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-01 09:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin