Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.39341E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T06:29:59+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 57521
    NORAD ID 57521
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66681
    NORAD ID 66681
    Object Type PAYLOAD
    Country
    GR GR

    Conjunction Constraints

    Parameter STARLINK-30259 PHASMA-DIRAC
    Time of Closest Approach 2026-10-18T01:17:55+0000
    Collision Probability (Pc) 2.39341E-6
    Conjunction Distance (km) 2.134 km
    Relative Speed (km/s) 14.348 km/s
    Conjunction Risk Parameters R (Radial): 2.129 | I (In-track): -0.042 | C (Cross-track): -0.131
    Collision Risk Index (CRI) 0.43
    X Position (km) 6842.839 6844.972
    Position Y (km) 421.211 421.221
    Position Z (km) 258.857 258.87
    Velocity X (km/s) -0.142 -0.231
    Velocity Y (km/s) 5.581 -0.998
    Velocity Z (km/s) -5.195 7.555

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30259 PHASMA-DIRAC
    Semimajor Axis (a) 6861.223 km 6861.565 km
    Eccentricity (e) 0.000137 0.000336
    Inclination (i) 43.0011° 97.3999°
    RAAN 191.1977° 2.9572°
    Perigee Argument 258.4774° 314.8524°
    Mean Anomaly (M) 101.5924° 45.2442°
    Apogee 484.024 km 485.733 km
    Perigee 482.148 km 481.123 km
    Orbit Epoch 2026-10-17T02:33:31+0000 2026-10-17T04:51:01+0000

    STARLINK-30259 & PHASMA-DIRAC Collision Probability (Pc) Trend

    STARLINK-30259 & PHASMA-DIRAC Collision Probability (Pc) TrendNot Available

    STARLINK-30259 & PHASMA-DIRAC Miss Distance (Miss Distance) Trend

    STARLINK-30259 & PHASMA-DIRAC Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30259Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    PHASMA-DIRACMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30259Collision Probability Trend

    Object 1 Probability TrendNot Available

    PHASMA-DIRACCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30259

    No nearby objects data