Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.156068E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T10:48:14+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 52355
    NORAD ID 52355
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68242
    NORAD ID 68242
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3877 STARLINK-36356
    Time of Closest Approach 2026-10-21T04:47:03+0000
    Collision Probability (Pc) 4.156068E-6
    Conjunction Distance (km) 1.503 km
    Relative Speed (km/s) 7.358 km/s
    Conjunction Risk Parameters R (Radial): 0.405 | I (In-track): 1.271 | C (Cross-track): 0.694
    Collision Risk Index (CRI) 0.47
    X Position (km) -4422.292 -4422.514
    Position Y (km) -1557.484 -1556.028
    Position Z (km) -4989.192 -4988.893
    Velocity X (km/s) -0.309 4.745
    Velocity Y (km/s) -7.19 -5.41
    Velocity Z (km/s) 2.521 -2.522

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3877 STARLINK-36356
    Semimajor Axis (a) 6840.873 km 6840.789 km
    Eccentricity (e) 0.000154 0.000210
    Inclination (i) 53.1564° 53.1588°
    RAAN 259.5860° 336.1119°
    Perigee Argument 88.0274° 102.9906°
    Mean Anomaly (M) 272.0905° 257.1331°
    Apogee 463.793 km 464.087 km
    Perigee 461.679 km 461.217 km
    Orbit Epoch 2026-10-19T15:33:05+0000 2026-10-19T03:15:38+0000

    STARLINK-3877 & STARLINK-36356 Collision Probability (Pc) Trend

    STARLINK-3877 & STARLINK-36356 Collision Probability (Pc) TrendNot Available

    STARLINK-3877 & STARLINK-36356 Miss Distance (Miss Distance) Trend

    STARLINK-3877 & STARLINK-36356 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3877Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36356Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3877Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36356Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3877

    No nearby objects data