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456 Abnoba (A900 LA)
Classification: Main-belt Asteroid          SPK-ID: 2000456
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1787458221397471 2.8875e-08  
a 2.788380844579226 1.0204e-08 au
q 2.28996941807619 8.4285e-08 au
i 14.43747941079078 8.2948e-07 deg
node 229.19709498376 4.3825e-06 deg
peri 6.918789436539955 6.485e-06 deg
M 297.653860928702 3.7732e-06 deg
tp 2459295.032772787686
(2021-Mar-21.53277279)
1.8604e-05 TDB
period 1700.695500683864
4.66
9.3357e-06
2.556e-08
d
yr
n .2116781045491335 1.162e-09 deg/d
Q 3.286792271082262 1.2028e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3108  
   data-arc span      10384 days (28.43 yr)  
   first obs. used      1992-01-10  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .26687  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:14:22  

Additional Information
 Earth MOID = 1.27941 au 
 Jupiter MOID = 1.71903 au 
 T_jup = 3.261 
[ 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 9.2   n/a MPO502157  
diameter diameter 37.713 km 0.222 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 18.281 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2010) Minor Planet Bull. 37, 112-118.]
[Ferrero, A. (2013) Minor Planet Bull. 40, 31-32.]
[Behrend, R. (2014) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.286   0.033 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)

456 Abnoba (A900 LA)          Discovered 1900-Jun-04 by Wolf, M. and Schwassmann, A. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1977-Jan-04 07:52 < 00:01 Jupiter 1.75021721465878 1.75021690816165 1.75021752115621 4.00792663011871 3.88530182599504 2443147.827818405 0.557750829224739 92.6235725335042 13.4201485730286 86.0894995944983 9141683.97963924 T 40 CATAB v2.0f-lin.ifort 2020-Jun-23 15:14:45 2020-Jun-23 15:14
1999-Dec-25 14:06 < 00:01 Jupiter 1.74875367688397 1.74875348942224 1.74875386434581 3.91114620594092 3.78528057183321 2451538.087161569 0.215391999067486 37.2674381084877 8.33185293898398 -85.9734258382783 10748716.4456388 T 40 CATAB v2.0f-lin.ifort 2020-Jun-23 15:14:45 2020-Jun-23 15:14
2084-Mar-08 06:43 00:01 Jupiter 1.8736083478291 1.87360749452311 1.87360920113562 3.90364259645447 3.78606177384355 2482292.779613891 1.02405584647788 79.7779448450793 28.2810160013869 64.5626470422772 6828311.20623012 T 40 CATAB v2.0f-lin.ifort 2020-Jun-23 15:14:45 2020-Jun-23 15:14
2107-Feb-21 21:17 00:01 Jupiter 1.70766908771689 1.70766887285033 1.70766930258383 4.00516523677112 3.87934617341502 2490677.386461459 1.27270918479506 210.613817456247 9.69367541854225 89.5298542014605 10029152.4974969 T 40 CATAB v2.0f-lin.ifort 2020-Jun-23 15:14:45 2020-Jun-23 15:14
2130-Feb-02 21:53 00:02 Jupiter 1.86647966654602 1.8664783961645 1.86648093693581 3.8168521667101 3.69604456342194 2499059.411625156 1.82647253339337 210.747778096059 8.65453760014507 -71.8931559053365 11493442.3003462 T 40 CATAB v2.0f-lin.ifort 2020-Jun-23 15:14:45 2020-Jun-23 15:14

Alternate Designations
 A900 LA = 1952 YF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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