Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.124069E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T12:43:17+0800
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    1 Object 1

    AOE ID 4774
    NORAD ID 4774
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65570
    NORAD ID 65570
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter THORAD AGENA D DEB PRAETORIAN SDA_607
    Time of Closest Approach 2026-10-21T20:05:29+0000
    Collision Probability (Pc) 5.124069E-6
    Conjunction Distance (km) 1.63 km
    Relative Speed (km/s) 14.731 km/s
    Conjunction Risk Parameters R (Radial): 0.149 | I (In-track): -0.028 | C (Cross-track): 1.623
    Collision Risk Index (CRI) 0.49
    X Position (km) -2299.835 -2298.344
    Position Y (km) -5287.811 -5288.37
    Position Z (km) -4538.011 -4538.357
    Velocity X (km/s) 0.306 -0.483
    Velocity Y (km/s) 4.689 -4.666
    Velocity Z (km/s) -5.674 5.678

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB PRAETORIAN SDA_607
    Semimajor Axis (a) 7331.940 km 7328.694 km
    Eccentricity (e) 0.004197 0.000821
    Inclination (i) 99.7659° 81.3014°
    RAAN 72.7454° 254.2931°
    Perigee Argument 133.1737° 204.6021°
    Mean Anomaly (M) 257.7000° 155.4745°
    Apogee 984.574 km 956.574 km
    Perigee 923.032 km 944.540 km
    Orbit Epoch 2026-10-20T08:27:30+0000 2026-10-20T21:43:09+0000

    THORAD AGENA D DEB & PRAETORIAN SDA_607 Collision Probability (Pc) Trend

    THORAD AGENA D DEB & PRAETORIAN SDA_607 Collision Probability (Pc) TrendNot Available

    THORAD AGENA D DEB & PRAETORIAN SDA_607 Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & PRAETORIAN SDA_607 Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    PRAETORIAN SDA_607Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    PRAETORIAN SDA_607Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data