Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.776909E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T11:27:46+0800
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    1 Object 1

    AOE ID 51953
    NORAD ID 51953
    Object Type UNKNOWN
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 66604
    NORAD ID 66604
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter OBJECT H STARLINK-35977
    Time of Closest Approach 2026-10-21T14:34:16+0000
    Collision Probability (Pc) 3.776909E-6
    Conjunction Distance (km) 1.607 km
    Relative Speed (km/s) 8.731 km/s
    Conjunction Risk Parameters R (Radial): 0.86 | I (In-track): 1.108 | C (Cross-track): -0.785
    Collision Risk Index (CRI) 0.47
    X Position (km) -4654.946 -4654.052
    Position Y (km) 2349.286 2350.267
    Position Z (km) -4462.894 -4461.987
    Velocity X (km/s) 1.637 -4.501
    Velocity Y (km/s) -5.818 -5.946
    Velocity Z (km/s) -4.646 1.561

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT H STARLINK-35977
    Semimajor Axis (a) 6869.340 km 6861.145 km
    Eccentricity (e) 0.010958 0.000336
    Inclination (i) 63.6315° 42.9968°
    RAAN 311.8177° 227.9651°
    Perigee Argument 308.4266° 238.6751°
    Mean Anomaly (M) 50.7052° 121.3773°
    Apogee 566.478 km 485.310 km
    Perigee 415.928 km 480.706 km
    Orbit Epoch 2026-10-20T12:23:21+0000 2026-10-20T04:21:53+0000

    OBJECT H & STARLINK-35977 Collision Probability (Pc) Trend

    OBJECT H & STARLINK-35977 Collision Probability (Pc) TrendNot Available

    OBJECT H & STARLINK-35977 Miss Distance (Miss Distance) Trend

    OBJECT H & STARLINK-35977 Miss Distance (Miss Distance) TrendNot Available

    OBJECT HMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35977Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT HCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35977Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT H

    No nearby objects data