Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.190815E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T03:34:45+0800
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    1 Object 1

    AOE ID 2657
    NORAD ID 2657
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 6852
    NORAD ID 6852
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter ESSA 4 (TOS-B) COSMOS 595
    Time of Closest Approach 2026-09-11T10:13:45+0000
    Collision Probability (Pc) 5.190815E-6
    Conjunction Distance (km) 1.61 km
    Relative Speed (km/s) 14.176 km/s
    Conjunction Risk Parameters R (Radial): 1.371 | I (In-track): 0.09 | C (Cross-track): 0.839
    Collision Risk Index (CRI) 0.49
    X Position (km) -1873.529 -1872.382
    Position Y (km) 2818.759 2818.304
    Position Z (km) -7054.374 -7053.34
    Velocity X (km/s) -0.239 -1.037
    Velocity Y (km/s) 6.57 -6.657
    Velocity Z (km/s) 2.692 -2.341

    Orbital Parameters 国际轨道数据源

    Parameter ESSA 4 (TOS-B) COSMOS 595
    Semimajor Axis (a) 7760.516 km 7819.759 km
    Eccentricity (e) 0.007319 0.005617
    Inclination (i) 102.0783° 73.9979°
    RAAN 94.5986° 269.4863°
    Perigee Argument 115.0924° 338.1600°
    Mean Anomaly (M) 39.4557° 92.3434°
    Apogee 1439.177 km 1485.543 km
    Perigee 1325.581 km 1397.701 km
    Orbit Epoch 2026-09-09T00:46:51+0000 2026-09-09T11:22:49+0000

    ESSA 4 (TOS-B) & COSMOS 595 Collision Probability (Pc) Trend

    ESSA 4 (TOS-B) & COSMOS 595 Collision Probability (Pc) TrendNot Available

    ESSA 4 (TOS-B) & COSMOS 595 Miss Distance (Miss Distance) Trend

    ESSA 4 (TOS-B) & COSMOS 595 Miss Distance (Miss Distance) TrendNot Available

    ESSA 4 (TOS-B)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 595Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ESSA 4 (TOS-B)Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 595Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ESSA 4 (TOS-B)

    No nearby objects data