Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.634553E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-21T19:42:26+0800
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    1 Object 1

    AOE ID 16139
    NORAD ID 16139
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 23791
    NORAD ID 23791
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter COSMOS 1691 COSMOS 2329
    Time of Closest Approach 2026-09-22T20:13:44+0000
    Collision Probability (Pc) 9.634553E-7
    Conjunction Distance (km) 2.351 km
    Relative Speed (km/s) 4.341 km/s
    Conjunction Risk Parameters R (Radial): 0.18 | I (In-track): 2.234 | C (Cross-track): -0.708
    Collision Risk Index (CRI) 0.35
    X Position (km) -966.072 -967.062
    Position Y (km) 427 424.876
    Position Z (km) -7727.178 -7727.352
    Velocity X (km/s) -4.759 -0.84
    Velocity Y (km/s) -5.315 -7.086
    Velocity Z (km/s) 0.302 -0.29

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1691 COSMOS 2329
    Semimajor Axis (a) 7790.873 km 7794.046 km
    Eccentricity (e) 0.000120 0.000824
    Inclination (i) 82.6100° 82.5667°
    RAAN 229.2190° 265.0290°
    Perigee Argument 64.7053° 203.0195°
    Mean Anomaly (M) 108.9226° 273.8597°
    Apogee 1413.668 km 1422.333 km
    Perigee 1411.804 km 1409.485 km
    Orbit Epoch 2026-09-20T16:21:13+0000 2026-09-20T12:14:29+0000

    COSMOS 1691 & COSMOS 2329 Collision Probability (Pc) Trend

    COSMOS 1691 & COSMOS 2329 Collision Probability (Pc) TrendNot Available

    COSMOS 1691 & COSMOS 2329 Miss Distance (Miss Distance) Trend

    COSMOS 1691 & COSMOS 2329 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1691Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2329Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1691Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2329Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1691

    No nearby objects data