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2228 Soyuz-Apollo (1977 OH)
Classification: Main-belt Asteroid          SPK-ID: 2002228
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .183104892830373 3.5999e-08  
a 3.135364539960732 1.2704e-08 au
q 2.56126395188707 1.1288e-07 au
i 1.98901780179527 3.1477e-06 deg
node 140.397509964745 0.00012003 deg
peri 285.5411110168892 0.00012035 deg
M 159.4106766141134 9.8087e-06 deg
tp 2458102.563977135692
(2017-Dec-15.06397714)
5.2815e-05 TDB
period 2027.825081087016
5.55
1.2324e-05
3.374e-08
d
yr
n .1775301052135236 1.079e-09 deg/d
Q 3.709465128034394 1.503e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2992  
   data-arc span      21021 days (57.55 yr)  
   first obs. used      1963-02-23  
   last obs. used      2020-09-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45293  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:11:29  

Additional Information
 Earth MOID = 1.5759 au 
 Jupiter MOID = 1.61108 au 
 T_jup = 3.185 
[ 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 11.5   n/a MPO384769  
diameter diameter 26.080 km 0.295 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.388 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Stephens, R.D. (2018) Minor Planet Bull. 45, 50-54.]
geometric albedo albedo 0.113   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2228 Soyuz-Apollo           Discovered 1977 July 19 by N. S. Chernykh at the Crimean Astrophysical Observatory.
Named in honor of the joint Soviet-American space flight in 1975.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 5850Last Updated: 2006-03-21

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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
1938-Jul-10 05:08 00:02 Jupiter 1.90380438025121 1.90380357339271 1.90380518711013 3.15127270420625 3.00677546573637 2429089.713569675 1.60550023842662 75.1182358459661 15.7408902623022 74.5460678738237 2533065.56333688 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 04:11:37 2020-Nov-13 04:11
1948-Dec-04 06:42 00:01 Jupiter 1.6546040322509 1.65460361801008 1.65460444649115 1.65004006450745 1.30337833792082 2432889.779465571 1.38006304699664 65.6560078222369 50.05815423491 -20.3996871956525 1938633.7579667 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 04:11:37 2020-Nov-13 04:11
1959-May-12 06:52 00:01 Jupiter 1.71626525772005 1.7162647979129 1.71626571752682 1.60601756736727 1.26183963921329 2436700.786034853 1.09457098113773 77.0167095754399 48.2525355191508 -59.3240993519653 2298702.76130929 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 04:11:37 2020-Nov-13 04:11
2033-Mar-04 01:59 < 00:01 Jupiter 1.81659730223285 1.81659695270622 1.81659765175948 2.65483081053195 2.47297172929611 2463660.582714687 0.44193982308809 42.6103338193731 8.27233059296557 89.5366168736517 3560098.41416327 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 04:11:37 2020-Nov-13 04:11
2043-Jul-28 23:54 < 00:01 Jupiter 1.63130262319337 1.63130231741207 1.63130292897448 1.50209053212175 1.10354629641264 2467459.495914857 0.662826661485291 74.9404702849667 59.2545038477094 23.5843894887436 2841909.47817542 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 04:11:37 2020-Nov-13 04:11
2054-Jan-03 14:36 < 00:01 Jupiter 1.78123191151033 1.78123133433801 1.78123248868234 1.80513056670807 1.51902728093122 2471271.108260551 0.909387922286105 63.2522983973299 22.7528596014197 -73.8631985103919 2243933.42456849 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 04:11:37 2020-Nov-13 04:11
2127-Oct-27 10:33 00:02 Jupiter 1.73388564664702 1.7338848454754 1.73388644781914 2.21520680668527 1.98245273460504 2498229.939372523 2.46695536008487 94.8329004027333 7.28621827457109 -83.0961769691701 2067844.58412656 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 04:11:37 2020-Nov-13 04:11
2138-Mar-26 01:54 00:03 Jupiter 1.62426978765221 1.62426928220261 1.62427029310126 1.43211719807896 1.00399290521958 2502032.579119343 2.65305366849639 110.105871312481 72.7832396371471 8.65155150007581 2337146.16581694 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 04:11:37 2020-Nov-13 04:11
2148-Sep-01 01:33 00:03 Jupiter 1.85664248987867 1.85664107664341 1.85664390311499 2.06639924791731 1.8323705751868 2505844.564378037 2.8908758824545 131.577299851726 7.84546044435481 -89.7303583583428 2300179.55369959 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 04:11:37 2020-Nov-13 04:11

Alternate Designations
 1977 OH = 1933 SK1 = 1952 DT1 = 1963 DD = 1973 YN3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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