Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.062494E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T07:11:07+0800
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    1 Object 1

    AOE ID 66309
    NORAD ID 66309
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66697
    NORAD ID 66697
    Object Type PAYLOAD
    Country
    IT IT

    Conjunction Constraints

    Parameter TOMORROW-S9 IRIDE-MS1-EAG2-3
    Time of Closest Approach 2026-10-22T04:01:43+0000
    Collision Probability (Pc) 4.062494E-6
    Conjunction Distance (km) 1.743 km
    Relative Speed (km/s) 14.138 km/s
    Conjunction Risk Parameters R (Radial): -1.732 | I (In-track): 0.081 | C (Cross-track): 0.173
    Collision Risk Index (CRI) 0.47
    X Position (km) -6004.785 -6006.282
    Position Y (km) -1152.864 -1152.99
    Position Z (km) 3140.183 3141.067
    Velocity X (km/s) 3.239 -3.598
    Velocity Y (km/s) -5.502 0.433
    Velocity Z (km/s) 4.159 -6.699

    Orbital Parameters 国际轨道数据源

    Parameter TOMORROW-S9 IRIDE-MS1-EAG2-3
    Semimajor Axis (a) 6879.711 km 6877.090 km
    Eccentricity (e) 0.000282 0.000089
    Inclination (i) 45.4007° 97.4066°
    RAAN 177.0363° 4.0943°
    Perigee Argument 30.7428° 180.7640°
    Mean Anomaly (M) 329.3623° 179.3595°
    Apogee 503.511 km 499.568 km
    Perigee 499.637 km 498.338 km
    Orbit Epoch 2026-10-19T01:47:20+0000 2026-10-19T04:22:14+0000

    TOMORROW-S9 & IRIDE-MS1-EAG2-3 Collision Probability (Pc) Trend

    TOMORROW-S9 & IRIDE-MS1-EAG2-3 Collision Probability (Pc) TrendNot Available

    TOMORROW-S9 & IRIDE-MS1-EAG2-3 Miss Distance (Miss Distance) Trend

    TOMORROW-S9 & IRIDE-MS1-EAG2-3 Miss Distance (Miss Distance) TrendNot Available

    TOMORROW-S9Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDE-MS1-EAG2-3Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TOMORROW-S9Collision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDE-MS1-EAG2-3Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TOMORROW-S9

    No nearby objects data