Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.228574E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:48:46+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53831
    NORAD ID 53831
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57408
    NORAD ID 57408
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4649 STARLINK-30205
    Time of Closest Approach 2026-10-21T10:32:46+0000
    Collision Probability (Pc) 1.228574E-6
    Conjunction Distance (km) 2.221 km
    Relative Speed (km/s) 5.496 km/s
    Conjunction Risk Parameters R (Radial): -0.254 | I (In-track): 2.06 | C (Cross-track): 0.79
    Collision Risk Index (CRI) 0.37
    X Position (km) -3317.914 -3319.643
    Position Y (km) 3785.112 3783.844
    Position Z (km) 4623.263 4622.685
    Velocity X (km/s) -6.658 -5.31
    Velocity Y (km/s) -1.841 -5.451
    Velocity Z (km/s) -3.262 0.657

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4649 STARLINK-30205
    Semimajor Axis (a) 6840.884 km 6839.387 km
    Eccentricity (e) 0.000131 0.000995
    Inclination (i) 53.1610° 43.0024°
    RAAN 5.2143° 64.5241°
    Perigee Argument 82.7022° 316.5654°
    Mean Anomaly (M) 277.4130° 43.4416°
    Apogee 463.647 km 468.056 km
    Perigee 461.847 km 454.444 km
    Orbit Epoch 2026-10-19T04:51:54+0000 2026-10-19T01:58:05+0000

    STARLINK-4649 & STARLINK-30205 Collision Probability (Pc) Trend

    STARLINK-4649 & STARLINK-30205 Collision Probability (Pc) TrendNot Available

    STARLINK-4649 & STARLINK-30205 Miss Distance (Miss Distance) Trend

    STARLINK-4649 & STARLINK-30205 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4649Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30205Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4649Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30205Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4649

    No nearby objects data