Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.672817E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:12:38+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53020
    NORAD ID 53020
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64727
    NORAD ID 64727
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4287 STARLINK-34242
    Time of Closest Approach 2026-10-22T21:50:56+0000
    Collision Probability (Pc) 1.672817E-6
    Conjunction Distance (km) 2.082 km
    Relative Speed (km/s) 7.3 km/s
    Conjunction Risk Parameters R (Radial): -1.369 | I (In-track): 1.377 | C (Cross-track): 0.75
    Collision Risk Index (CRI) 0.39
    X Position (km) -1033.121 -1031.385
    Position Y (km) -4549.863 -4549.298
    Position Z (km) 4993.11 4992.111
    Velocity X (km/s) 5.953 7.137
    Velocity Y (km/s) -4.09 1.118
    Velocity Z (km/s) -2.489 2.487

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4287 STARLINK-34242
    Semimajor Axis (a) 6840.874 km 6840.840 km
    Eccentricity (e) 0.000130 0.000236
    Inclination (i) 53.1593° 53.1503°
    RAAN 144.0598° 216.3936°
    Perigee Argument 90.3405° 70.1768°
    Mean Anomaly (M) 269.7747° 289.9488°
    Apogee 463.628 km 464.319 km
    Perigee 461.846 km 461.087 km
    Orbit Epoch 2026-10-20T00:34:15+0000 2026-10-20T05:28:27+0000

    STARLINK-4287 & STARLINK-34242 Collision Probability (Pc) Trend

    STARLINK-4287 & STARLINK-34242 Collision Probability (Pc) TrendNot Available

    STARLINK-4287 & STARLINK-34242 Miss Distance (Miss Distance) Trend

    STARLINK-4287 & STARLINK-34242 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4287Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34242Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4287Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34242Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4287

    No nearby objects data