Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.747263E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-12T15:08:18+0800
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    1 Object 1

    AOE ID 801
    NORAD ID 801
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 35593
    NORAD ID 35593
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter OPS 4412 (TRANSIT 9) COSMOS 2251 DEB
    Time of Closest Approach 2026-11-12T22:39:17+0000
    Collision Probability (Pc) 1.747263E-6
    Conjunction Distance (km) 2.474 km
    Relative Speed (km/s) 14.209 km/s
    Conjunction Risk Parameters R (Radial): -1.978 | I (In-track): 0.405 | C (Cross-track): 1.428
    Collision Risk Index (CRI) 0.4
    X Position (km) -3503.688 -3505.38
    Position Y (km) -933.49 -932.475
    Position Z (km) 6263.476 6264.966
    Velocity X (km/s) 6.158 -4.152
    Velocity Y (km/s) 1.764 -5.288
    Velocity Z (km/s) 3.715 -3.057

    Orbital Parameters 国际轨道数据源

    Parameter OPS 4412 (TRANSIT 9) COSMOS 2251 DEB
    Semimajor Axis (a) 7213.063 km 7180.678 km
    Eccentricity (e) 0.004503 0.010541
    Inclination (i) 90.4625° 74.0854°
    RAAN 195.6550° 46.8627°
    Perigee Argument 266.6567° 329.4488°
    Mean Anomaly (M) 92.9470° 30.0545°
    Apogee 867.406 km 878.236 km
    Perigee 802.446 km 726.846 km
    Orbit Epoch 2026-11-11T17:33:49+0000 2026-11-11T14:08:28+0000

    OPS 4412 (TRANSIT 9) & COSMOS 2251 DEB Collision Probability (Pc) Trend

    OPS 4412 (TRANSIT 9) & COSMOS 2251 DEB Collision Probability (Pc) TrendNot Available

    OPS 4412 (TRANSIT 9) & COSMOS 2251 DEB Miss Distance (Miss Distance) Trend

    OPS 4412 (TRANSIT 9) & COSMOS 2251 DEB Miss Distance (Miss Distance) TrendNot Available

    OPS 4412 (TRANSIT 9)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OPS 4412 (TRANSIT 9)Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OPS 4412 (TRANSIT 9)

    No nearby objects data