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2150 Nyctimene (1977 TA)
Classification: Inner Main-belt Asteroid          SPK-ID: 2002150
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05738775253740155 3.7754e-08  
a 1.913173232429211 4.8844e-09 au
q 1.803380520405382 7.3399e-08 au
i 25.31797337400467 4.2658e-06 deg
node 201.0167035581339 7.6433e-06 deg
peri 235.9120835016586 3.6278e-05 deg
M 358.6705104157712 3.6562e-05 deg
tp 2459004.069540462459
(2020-Jun-03.56954046)
9.8169e-05 TDB
period 966.5623422169923
2.65
3.7015e-06
1.013e-08
d
yr
n .3724539890249318 1.4263e-09 deg/d
Q 2.022965944453039 5.1647e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2604  
   data-arc span      18658 days (51.08 yr)  
   first obs. used      1969-10-06  
   last obs. used      2020-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34968  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:04:37  

Additional Information
 Earth MOID = .845261 au 
 Jupiter MOID = 3.10482 au 
 T_jup = 3.814 
[ 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 13.2   n/a MPO435717  
diameter diameter 6.059 km 0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.131 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2007) Minor Planet Bull. 34, 8-10.]
[Warner, B.D. (2008) Minor Planet Bull. 35, 163-167.]
[Warner, B.D (2012) Minor Planet Bull. 39, 16-21.]
[Warner, B.D. (2013) Minor Planet Bull. 40, 208-212.]
[Warner, B.D. (2015) Minor Planet Bull. 42, 54-60.]
[Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Stephens, R.D. (2016) Minor Planet Bull. 43, 252-255.]
[Warner, B.D. (2017) Minor Planet Bull. 44, 12-19.]
[Stephens, R.D.; Warner, B.D. (2020) Minor Planet Bull. 47, 50-60.]
geometric albedo albedo 0.220   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2150 Nyctimene (1977 TA)          Discovered 1977-Oct-13 by Sebok, W. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1977 TA = 1969 TM4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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