Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.453208E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T00:44:40+0800
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    1 Object 1

    AOE ID 1982
    NORAD ID 1982
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 10120
    NORAD ID 10120
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter ESSA 1 (OT-3) COSMOS 923
    Time of Closest Approach 2026-10-25T11:06:16+0000
    Collision Probability (Pc) 1.453208E-6
    Conjunction Distance (km) 2.819 km
    Relative Speed (km/s) 14.842 km/s
    Conjunction Risk Parameters R (Radial): -2.495 | I (In-track): 0.104 | C (Cross-track): 1.307
    Collision Risk Index (CRI) 0.38
    X Position (km) -4480.954 -4480.168
    Position Y (km) 4316.044 4313.517
    Position Z (km) -3551.573 -3550.602
    Velocity X (km/s) 3.404 -4.158
    Velocity Y (km/s) -1.666 0.726
    Velocity Z (km/s) -6.392 6.152

    Orbital Parameters 国际轨道数据源

    Parameter ESSA 1 (OT-3) COSMOS 923
    Semimajor Axis (a) 7109.078 km 7160.101 km
    Eccentricity (e) 0.008095 0.001215
    Inclination (i) 97.8022° 74.0471°
    RAAN 319.2496° 148.0212°
    Perigee Argument 65.9990° 32.3714°
    Mean Anomaly (M) 294.9652° 327.8180°
    Apogee 788.489 km 790.660 km
    Perigee 673.393 km 773.268 km
    Orbit Epoch 2026-10-24T00:59:04+0000 2026-10-24T01:44:16+0000

    ESSA 1 (OT-3) & COSMOS 923 Collision Probability (Pc) Trend

    ESSA 1 (OT-3) & COSMOS 923 Collision Probability (Pc) TrendNot Available

    ESSA 1 (OT-3) & COSMOS 923 Miss Distance (Miss Distance) Trend

    ESSA 1 (OT-3) & COSMOS 923 Miss Distance (Miss Distance) TrendNot Available

    ESSA 1 (OT-3)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 923Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ESSA 1 (OT-3)Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 923Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ESSA 1 (OT-3)

    No nearby objects data