Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.107883E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T22:43:43+0800
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    1 Object 1

    AOE ID 64537
    NORAD ID 64537
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65489
    NORAD ID 65489
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter OTTER PUP 2 KAIYUN-1 (OBJECT B)
    Time of Closest Approach 2026-10-22T04:35:04+0000
    Collision Probability (Pc) 1.107883E-5
    Conjunction Distance (km) 1.157 km
    Relative Speed (km/s) 8.534 km/s
    Conjunction Risk Parameters R (Radial): 0.864 | I (In-track): -0.636 | C (Cross-track): -0.433
    Collision Risk Index (CRI) 0.56
    X Position (km) -1073.752 -1073.545
    Position Y (km) 106.654 107.407
    Position Z (km) -6798.152 -6797.298
    Velocity X (km/s) 4.773 -3.619
    Velocity Y (km/s) 5.873 6.653
    Velocity Z (km/s) -0.662 0.678

    Orbital Parameters 国际轨道数据源

    Parameter OTTER PUP 2 KAIYUN-1 (OBJECT B)
    Semimajor Axis (a) 6872.564 km 6883.180 km
    Eccentricity (e) 0.000489 0.001198
    Inclination (i) 97.4840° 97.4096°
    RAAN 49.3448° 117.9988°
    Perigee Argument 93.6211° 289.3815°
    Mean Anomaly (M) 266.5585° 70.6125°
    Apogee 497.785 km 513.291 km
    Perigee 491.069 km 496.795 km
    Orbit Epoch 2026-10-21T06:56:14+0000 2026-10-20T22:56:34+0000

    OTTER PUP 2 & KAIYUN-1 (OBJECT B) Collision Probability (Pc) Trend

    OTTER PUP 2 & KAIYUN-1 (OBJECT B) Collision Probability (Pc) TrendNot Available

    OTTER PUP 2 & KAIYUN-1 (OBJECT B) Miss Distance (Miss Distance) Trend

    OTTER PUP 2 & KAIYUN-1 (OBJECT B) Miss Distance (Miss Distance) TrendNot Available

    OTTER PUP 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KAIYUN-1 (OBJECT B)Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OTTER PUP 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    KAIYUN-1 (OBJECT B)Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OTTER PUP 2

    No nearby objects data