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965 Angelica (A921 VB)
Classification: Main-belt Asteroid          SPK-ID: 2000965
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2791974477853278 4.1428e-08  
a 3.16207970440774 1.2618e-08 au
q 2.279235121243315 1.2939e-07 au
i 21.39593738686414 4.8883e-06 deg
node 41.28696536453375 9.899e-06 deg
peri 47.03423225946429 1.2479e-05 deg
M 232.2319725491265 7.4317e-06 deg
tp 2460125.415751371288
(2023-Jun-29.91575137)
4.4805e-05 TDB
period 2053.79761845787
5.62
1.2293e-05
3.366e-08
d
yr
n .1752850411182736 1.0492e-09 deg/d
Q 4.044924287572164 1.6141e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2467  
   data-arc span      34201 days (93.64 yr)  
   first obs. used      1927-12-18  
   last obs. used      2021-08-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .36255  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:12:03  

Additional Information
 Earth MOID = 1.34279 au 
 Jupiter MOID = 1.61847 au 
 T_jup = 3.039 
[ show covariance matrix ]

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 10.26   n/a MPO636075  
diameter diameter 60.857 km 0.198 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 26.752 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Montminy, B.; McDonald, K.; Durkee, R.I. (2018) Minor Planet Bull. 45, 331-333.]
[Polakis, T. (2018) Minor Planet Bull. 45, 199-203.]
geometric albedo albedo 0.029   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B Xc   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)

965 Angelica (A921 VB)          Discovered 1921-Nov-04 by Hartmann, J. at La Plata
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A921 VB = 1977 PM2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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