Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.989733E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T14:34:19+0800
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    1 Object 1

    AOE ID 52559
    NORAD ID 52559
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68321
    NORAD ID 68321
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3953 STARLINK-36987
    Time of Closest Approach 2026-10-29T21:53:47+0000
    Collision Probability (Pc) 1.989733E-6
    Conjunction Distance (km) 2.203 km
    Relative Speed (km/s) 11.957 km/s
    Conjunction Risk Parameters R (Radial): 1.503 | I (In-track): 0.998 | C (Cross-track): -1.263
    Collision Risk Index (CRI) 0.41
    X Position (km) -5410.02 -5412.128
    Position Y (km) 3756.19 3755.694
    Position Z (km) 1842.018 1842.418
    Velocity X (km/s) -1.381 -4.04
    Velocity Y (km/s) -4.828 -2.982
    Velocity Z (km/s) 5.756 -5.755

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3953 STARLINK-36987
    Semimajor Axis (a) 6840.672 km 6841.255 km
    Eccentricity (e) 0.000138 0.000155
    Inclination (i) 53.1649° 53.1615°
    RAAN 139.5386° 344.4832°
    Perigee Argument 78.2346° 94.2814°
    Mean Anomaly (M) 281.8812° 265.8365°
    Apogee 463.482 km 464.180 km
    Perigee 461.588 km 462.056 km
    Orbit Epoch 2026-10-28T12:59:03+0000 2026-10-28T09:14:21+0000

    STARLINK-3953 & STARLINK-36987 Collision Probability (Pc) Trend

    STARLINK-3953 & STARLINK-36987 Collision Probability (Pc) TrendNot Available

    STARLINK-3953 & STARLINK-36987 Miss Distance (Miss Distance) Trend

    STARLINK-3953 & STARLINK-36987 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3953Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36987Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3953Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36987Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3953

    No nearby objects data