Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.253824E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T02:00:32+0800
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    1 Object 1

    Name AO-91
    AOE ID 43017
    NORAD ID 43017
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64888
    NORAD ID 64888
    Object Type UNKNOWN
    Country
    TBD TBD

    Conjunction Constraints

    Parameter AO-91 OBJECT N
    Time of Closest Approach 2026-10-21T04:47:09+0000
    Collision Probability (Pc) 1.253824E-6
    Conjunction Distance (km) 2.919 km
    Relative Speed (km/s) 12.438 km/s
    Conjunction Risk Parameters R (Radial): -2.903 | I (In-track): -0.175 | C (Cross-track): 0.245
    Collision Risk Index (CRI) 0.37
    X Position (km) 839.511 839.403
    Position Y (km) -1256.501 -1255.798
    Position Z (km) -6639.543 -6636.713
    Velocity X (km/s) -7.121 -0.363
    Velocity Y (km/s) 2.56 -7.505
    Velocity Z (km/s) -1.398 1.378

    Orbital Parameters 国际轨道数据源

    Parameter AO-91 OBJECT N
    Semimajor Axis (a) 6900.931 km 6794.521 km
    Eccentricity (e) 0.014421 0.000844
    Inclination (i) 97.4491° 97.4602°
    RAAN 156.7861° 266.6177°
    Perigee Argument 260.0428° 79.8839°
    Mean Anomaly (M) 98.4502° 280.3364°
    Apogee 622.314 km 422.117 km
    Perigee 423.274 km 410.651 km
    Orbit Epoch 2026-10-19T02:28:41+0000 2026-10-19T06:39:11+0000

    AO-91 & OBJECT N Collision Probability (Pc) Trend

    AO-91 & OBJECT N Collision Probability (Pc) TrendNot Available

    AO-91 & OBJECT N Miss Distance (Miss Distance) Trend

    AO-91 & OBJECT N Miss Distance (Miss Distance) TrendNot Available

    AO-91Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT NMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    AO-91Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT NCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with AO-91

    No nearby objects data