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702 Alauda (A910 OA)
Classification: Main-belt Asteroid          SPK-ID: 2000702
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 103 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01691479754824452 9.2499e-09  
a 3.194293744020468 9.0287e-09 au
q 3.140262912030737 3.1744e-08 au
i 20.601670462697 4.8631e-07 deg
node 289.7439841096966 7.9422e-07 deg
peri 352.6632151955368 7.0629e-05 deg
M 155.7350239967215 7.3334e-05 deg
tp 2458298.421158171486
(2018-Jun-28.92115817)
0.00042294 TDB
period 2085.262356045878
5.71
8.841e-06
2.421e-08
d
yr
n .1726401471528216 7.3195e-10 deg/d
Q 3.248324576010198 9.1814e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3469  
   data-arc span      40409 days (110.63 yr)  
   first obs. used      1910-07-17  
   last obs. used      2021-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40164  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 11:35:54  

Additional Information
 Earth MOID = 2.1223 au 
 Jupiter MOID = 1.94933 au 
 T_jup = 3.096 
[ 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 7.35   n/a E2021B10 IRAS observations used: 26
diameter diameter 190.980 km 1.973 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 16.7072 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2014) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.061   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.665   0.022 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=7; phase (min.=2.23, mean=6.88, max.=14.75) deg.
U-B UB 0.316   0.014 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=7; phase (min.=2.23, mean=6.88, max.=14.75) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices
SMASSII spectral type spec_B B   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)

702 Alauda (A910 OA)          Discovered 1910-Jul-16 by Helffrich, J. 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
1907-Mar-01 19:20 00:01 Jupiter 1.9816556245969 1.9816555230152 1.9816557261795 6.53117428083735 6.46539820912265 2417636.305479322 1.08195777399718 173.121540246989 4.59511522579534 89.3943948123476 36506074.2064062 T 103 CATAB v2.0f-lin.ifort 2021-Mar-16 11:37:29 2021-Mar-16 11:37
2061-Apr-17 21:39 < 00:01 Jupiter 1.96791841094976 1.96791832254007 1.96791849935945 6.52343858771742 6.45712165596073 2473932.402180127 0.517002456025432 83.5189351519222 4.35305075816869 89.8875947905379 38787536.4225252 T 103 CATAB v2.0f-lin.ifort 2021-Mar-16 11:37:29 2021-Mar-16 11:37
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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