Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.966958E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T21:15:18+0800
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    1 Object 1

    AOE ID 22286
    NORAD ID 22286
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    Name SJ-9B
    AOE ID 38861
    NORAD ID 38861
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 2228 SJ-9B
    Time of Closest Approach 2026-09-13T07:44:51+0000
    Collision Probability (Pc) 2.966958E-6
    Conjunction Distance (km) 1.982 km
    Relative Speed (km/s) 15.107 km/s
    Conjunction Risk Parameters R (Radial): -1.08 | I (In-track): -0.01 | C (Cross-track): -1.661
    Collision Risk Index (CRI) 0.44
    X Position (km) -837.64 -838.906
    Position Y (km) -2864.141 -2862.822
    Position Z (km) -6298.882 -6298.118
    Velocity X (km/s) 4.029 -4.071
    Velocity Y (km/s) 5.594 -5.577
    Velocity Z (km/s) -3.072 3.076

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2228 SJ-9B
    Semimajor Axis (a) 6951.782 km 6971.128 km
    Eccentricity (e) 0.001867 0.001370
    Inclination (i) 82.5154° 97.6079°
    RAAN 59.6155° 234.5705°
    Perigee Argument 40.7203° 293.9767°
    Mean Anomaly (M) 319.5412° 66.0016°
    Apogee 586.624 km 602.545 km
    Perigee 560.666 km 583.437 km
    Orbit Epoch 2026-09-11T04:57:03+0000 2026-09-10T12:25:14+0000

    COSMOS 2228 & SJ-9B Collision Probability (Pc) Trend

    COSMOS 2228 & SJ-9B Collision Probability (Pc) TrendNot Available

    COSMOS 2228 & SJ-9B Miss Distance (Miss Distance) Trend

    COSMOS 2228 & SJ-9B Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2228Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SJ-9BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2228Collision Probability Trend

    Object 1 Probability TrendNot Available

    SJ-9BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2228

    No nearby objects data