Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.205146E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T18:21:33+0800
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    1 Object 1

    AOE ID 10731
    NORAD ID 10731
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 15077
    NORAD ID 15077
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter COSMOS 994 COSMOS 1577
    Time of Closest Approach 2026-09-13T06:33:47+0000
    Collision Probability (Pc) 3.205146E-6
    Conjunction Distance (km) 1.906 km
    Relative Speed (km/s) 14.48 km/s
    Conjunction Risk Parameters R (Radial): 1.71 | I (In-track): -0.13 | C (Cross-track): 0.83
    Collision Risk Index (CRI) 0.45
    X Position (km) -4093.549 -4093.191
    Position Y (km) 4035.914 4034.381
    Position Z (km) -4641.823 -4640.75
    Velocity X (km/s) 2.426 -4.04
    Velocity Y (km/s) -4.02 2.361
    Velocity Z (km/s) -5.632 5.643

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 994 COSMOS 1577
    Semimajor Axis (a) 7365.410 km 7357.369 km
    Eccentricity (e) 0.002360 0.003691
    Inclination (i) 82.9321° 82.9587°
    RAAN 310.6338° 141.9746°
    Perigee Argument 28.3660° 112.5746°
    Mean Anomaly (M) 144.4043° 38.7841°
    Apogee 1004.654 km 1006.386 km
    Perigee 969.892 km 952.078 km
    Orbit Epoch 2026-09-11T22:51:57+0000 2026-09-12T03:33:25+0000

    COSMOS 994 & COSMOS 1577 Collision Probability (Pc) Trend

    COSMOS 994 & COSMOS 1577 Collision Probability (Pc) TrendNot Available

    COSMOS 994 & COSMOS 1577 Miss Distance (Miss Distance) Trend

    COSMOS 994 & COSMOS 1577 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 994Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 1577Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 994Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 1577Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 994

    No nearby objects data