Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.658594E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T11:48:21+0800
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    1 Object 1

    AOE ID 11539
    NORAD ID 11539
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 14616
    NORAD ID 14616
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter COSMOS 1131 COSMOS 1527
    Time of Closest Approach 2026-09-15T19:03:46+0000
    Collision Probability (Pc) 4.658594E-6
    Conjunction Distance (km) 1.618 km
    Relative Speed (km/s) 12.347 km/s
    Conjunction Risk Parameters R (Radial): -1.617 | I (In-track): -0.002 | C (Cross-track): -0.033
    Collision Risk Index (CRI) 0.48
    X Position (km) 4302.93 4303.833
    Position Y (km) -537.923 -538.005
    Position Z (km) -6535.868 -6537.208
    Velocity X (km/s) 5.526 -4.665
    Velocity Y (km/s) 2.88 4.16
    Velocity Z (km/s) 3.439 -3.414

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1131 COSMOS 1527
    Semimajor Axis (a) 7824.303 km 7838.011 km
    Eccentricity (e) 0.004549 0.000170
    Inclination (i) 74.0276° 74.0089°
    RAAN 21.3080° 150.1076°
    Perigee Argument 54.2356° 357.2996°
    Mean Anomaly (M) 319.1062° 16.7239°
    Apogee 1481.762 km 1461.210 km
    Perigee 1410.570 km 1458.538 km
    Orbit Epoch 2026-09-13T15:46:29+0000 2026-09-13T15:57:56+0000

    COSMOS 1131 & COSMOS 1527 Collision Probability (Pc) Trend

    COSMOS 1131 & COSMOS 1527 Collision Probability (Pc) TrendNot Available

    COSMOS 1131 & COSMOS 1527 Miss Distance (Miss Distance) Trend

    COSMOS 1131 & COSMOS 1527 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1131Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 1527Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1131Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 1527Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1131

    No nearby objects data