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

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .265130592298244 3.1723e-08  
a 2.322231468296482 4.8167e-09 au
q 1.706536863653415 7.4028e-08 au
i 6.192797500604581 3.434e-06 deg
node 120.7974876016278 3.1059e-05 deg
peri 196.8938103663587 3.1587e-05 deg
M 343.8687985462271 5.7049e-06 deg
tp 2459058.418979303689
(2020-Jul-27.91897930)
2.0482e-05 TDB
period 1292.577779099719
3.54
4.0216e-06
1.101e-08
d
yr
n .2785132204970598 8.6653e-10 deg/d
Q 2.937926072939549 6.0938e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3264  
   data-arc span      37804 days (103.50 yr)  
   first obs. used      1917-05-12  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40426  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:56:49  

Additional Information
 Earth MOID = .69417 au 
 Jupiter MOID = 2.37697 au 
 T_jup = 3.521 
[ 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 11.7   n/a MPO384753  
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 ]
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