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 ]  
870 Manto (A917 JC)
Classification: Main-belt Asteroid          SPK-ID: 2000870
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2648655409891243 1.1886e-08  
a 2.321791730815516 4.5236e-09 au
q 1.706829107968989 2.7964e-08 au
i 6.192934755769854 9.0735e-07 deg
node 120.7979642012413 2.8583e-06 deg
peri 196.9036806905869 3.9099e-06 deg
M 94.1871680409013 3.7995e-06 deg
tp 2459058.417605804909
(2020-Jul-27.91760580)
1.3392e-05 TDB
period 1292.210652913777
3.54
3.7765e-06
1.034e-08
d
yr
n .2785923480728501 8.1418e-10 deg/d
Q 2.936754353662043 5.7217e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3563  
   data-arc span      37920 days (103.82 yr)  
   first obs. used      1917-05-12  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39616  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 11:39:34  

Additional Information
 Earth MOID = .69382 au 
 Jupiter MOID = 2.3775 au 
 T_jup = 3.522 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.75   n/a MPCxxxxx  
diameter diameter 13.683 km 0.236 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 122.30 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pilcher, F.; Alvarez, E.M.; Ferrero, A.; Klinglesmith III, D.A.; Vargas, A.; Oey, J. (2014) Minor Planet Bull. 41, 70.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
geometric albedo albedo 0.216   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

870 Manto (A917 JC)          Discovered 1917-May-12 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A917 JC = 1935 NB = 1935 QV = 1953 UE1 = A907 TF = A914 UC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-22 09:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin