Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    3.451425E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T00:01:50+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53009
    NORAD ID 53009
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64444
    NORAD ID 64444
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4277 STARLINK-34399
    Time of Closest Approach 2026-10-23T00:24:42+0000
    Collision Probability (Pc) 3.451425E-4
    Conjunction Distance (km) 0.234 km
    Relative Speed (km/s) 2.324 km/s
    Conjunction Risk Parameters R (Radial): 0.228 | I (In-track): -0.053 | C (Cross-track): -0.006
    Collision Risk Index (CRI) 0.86
    X Position (km) 3656.274 3656.423
    Position Y (km) 1974.586 1974.606
    Position Z (km) -5441.177 -5441.356
    Velocity X (km/s) -4.393 -2.769
    Velocity Y (km/s) 6.191 7.068
    Velocity Z (km/s) -0.706 0.704

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4277 STARLINK-34399
    Semimajor Axis (a) 6840.884 km 6840.835 km
    Eccentricity (e) 0.000117 0.000196
    Inclination (i) 53.1605° 53.1579°
    RAAN 143.5900° 125.0096°
    Perigee Argument 95.4342° 89.9013°
    Mean Anomaly (M) 264.6794° 270.2214°
    Apogee 463.547 km 464.040 km
    Perigee 461.947 km 461.356 km
    Orbit Epoch 2026-10-19T23:21:31+0000 2026-10-19T06:06:32+0000

    STARLINK-4277 & STARLINK-34399 Collision Probability (Pc) Trend

    STARLINK-4277 & STARLINK-34399 Collision Probability (Pc) TrendNot Available

    STARLINK-4277 & STARLINK-34399 Miss Distance (Miss Distance) Trend

    STARLINK-4277 & STARLINK-34399 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4277Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34399Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4277Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34399Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4277

    No nearby objects data