Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.502361E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T23:43:27+0800
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    1 Object 1

    AOE ID 4753
    NORAD ID 4753
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65572
    NORAD ID 65572
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter THORAD AGENA D DEB PRAETORIAN SDA_609
    Time of Closest Approach 2026-10-22T16:24:19+0000
    Collision Probability (Pc) 1.502361E-6
    Conjunction Distance (km) 2.748 km
    Relative Speed (km/s) 14.755 km/s
    Conjunction Risk Parameters R (Radial): 2.68 | I (In-track): 0.011 | C (Cross-track): 0.606
    Collision Risk Index (CRI) 0.39
    X Position (km) 1985.843 1987.145
    Position Y (km) 3139.16 3140.147
    Position Z (km) 6304.918 6307.126
    Velocity X (km/s) -1.06 1.388
    Velocity Y (km/s) -6.4 6.304
    Velocity Z (km/s) 3.518 -3.574

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB PRAETORIAN SDA_609
    Semimajor Axis (a) 7323.850 km 7327.099 km
    Eccentricity (e) 0.000527 0.000624
    Inclination (i) 100.0035° 81.3030°
    RAAN 73.4859° 254.0246°
    Perigee Argument 338.1452° 202.6489°
    Mean Anomaly (M) 21.9475° 157.4394°
    Apogee 949.572 km 953.531 km
    Perigee 941.854 km 944.393 km
    Orbit Epoch 2026-10-21T03:42:24+0000 2026-10-21T06:52:11+0000

    THORAD AGENA D DEB & PRAETORIAN SDA_609 Collision Probability (Pc) Trend

    THORAD AGENA D DEB & PRAETORIAN SDA_609 Collision Probability (Pc) TrendNot Available

    THORAD AGENA D DEB & PRAETORIAN SDA_609 Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & PRAETORIAN SDA_609 Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    PRAETORIAN SDA_609Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    PRAETORIAN SDA_609Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data