Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.445799E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T13:58:00+0800
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    1 Object 1

    AOE ID 40018
    NORAD ID 40018
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 40529
    NORAD ID 40529
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter APRIZESAT 9 TITAN 4B DEB
    Time of Closest Approach 2026-10-22T03:35:08+0000
    Collision Probability (Pc) 1.445799E-6
    Conjunction Distance (km) 2.821 km
    Relative Speed (km/s) 14.73 km/s
    Conjunction Risk Parameters R (Radial): 1.995 | I (In-track): 0.457 | C (Cross-track): -1.94
    Collision Risk Index (CRI) 0.38
    X Position (km) -949.581 -950.872
    Position Y (km) -3967.083 -3964.828
    Position Z (km) 5661.836 5660.74
    Velocity X (km/s) -3.128 5.806
    Velocity Y (km/s) -5.388 3.462
    Velocity Z (km/s) -4.317 3.351

    Orbital Parameters 国际轨道数据源

    Parameter APRIZESAT 9 TITAN 4B DEB
    Semimajor Axis (a) 7025.364 km 6956.647 km
    Eccentricity (e) 0.006653 0.005733
    Inclination (i) 97.9244° 67.9941°
    RAAN 64.1073° 226.9865°
    Perigee Argument 155.3706° 192.9354°
    Mean Anomaly (M) 205.0705° 167.0322°
    Apogee 693.969 km 618.393 km
    Perigee 600.485 km 538.627 km
    Orbit Epoch 2026-10-20T20:04:23+0000 2026-10-20T11:12:08+0000

    APRIZESAT 9 & TITAN 4B DEB Collision Probability (Pc) Trend

    APRIZESAT 9 & TITAN 4B DEB Collision Probability (Pc) TrendNot Available

    APRIZESAT 9 & TITAN 4B DEB Miss Distance (Miss Distance) Trend

    APRIZESAT 9 & TITAN 4B DEB Miss Distance (Miss Distance) TrendNot Available

    APRIZESAT 9Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TITAN 4B DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    APRIZESAT 9Collision Probability Trend

    Object 1 Probability TrendNot Available

    TITAN 4B DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with APRIZESAT 9

    No nearby objects data