Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.665735E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T04:42:21+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 57917
    NORAD ID 57917
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59297
    NORAD ID 59297
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30501 STARLINK-31487
    Time of Closest Approach 2026-10-21T04:15:00+0000
    Collision Probability (Pc) 1.665735E-6
    Conjunction Distance (km) 2.11 km
    Relative Speed (km/s) 7.62 km/s
    Conjunction Risk Parameters R (Radial): -0.003 | I (In-track): 1.828 | C (Cross-track): -1.053
    Collision Risk Index (CRI) 0.39
    X Position (km) -5763.072 -5763.27
    Position Y (km) 550.732 548.632
    Position Z (km) 3674.306 3674.304
    Velocity X (km/s) 1.407 -2.663
    Velocity Y (km/s) -6.772 -6.383
    Velocity Z (km/s) 3.215 -3.215

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30501 STARLINK-31487
    Semimajor Axis (a) 6861.240 km 6861.193 km
    Eccentricity (e) 0.000127 0.000150
    Inclination (i) 42.9986° 43.0032°
    RAAN 143.8550° 47.5896°
    Perigee Argument 265.5195° 261.1830°
    Mean Anomaly (M) 94.5512° 98.8852°
    Apogee 483.977 km 484.088 km
    Perigee 482.229 km 482.024 km
    Orbit Epoch 2026-10-19T00:14:13+0000 2026-10-19T09:19:18+0000

    STARLINK-30501 & STARLINK-31487 Collision Probability (Pc) Trend

    STARLINK-30501 & STARLINK-31487 Collision Probability (Pc) TrendNot Available

    STARLINK-30501 & STARLINK-31487 Miss Distance (Miss Distance) Trend

    STARLINK-30501 & STARLINK-31487 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30501Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31487Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30501Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31487Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30501

    No nearby objects data