Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.888143E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:45:23+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53595
    NORAD ID 53595
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69303
    NORAD ID 69303
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4684 STARLINK-37730
    Time of Closest Approach 2026-10-21T20:55:33+0000
    Collision Probability (Pc) 9.888143E-7
    Conjunction Distance (km) 2.681 km
    Relative Speed (km/s) 6.683 km/s
    Conjunction Risk Parameters R (Radial): -2.645 | I (In-track): 0.385 | C (Cross-track): -0.186
    Collision Risk Index (CRI) 0.35
    X Position (km) -4209.985 -4208.309
    Position Y (km) 4216.262 4214.4
    Position Z (km) -3385.829 -3384.876
    Velocity X (km/s) -1.795 3.417
    Velocity Y (km/s) -5.644 -1.849
    Velocity Z (km/s) -4.803 -6.561

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4684 STARLINK-37730
    Semimajor Axis (a) 6848.884 km 6843.641 km
    Eccentricity (e) 0.000114 0.000207
    Inclination (i) 53.1595° 97.2864°
    RAAN 302.9912° 316.5178°
    Perigee Argument 89.6560° 71.0158°
    Mean Anomaly (M) 270.4572° 289.1308°
    Apogee 471.530 km 466.918 km
    Perigee 469.964 km 464.090 km
    Orbit Epoch 2026-10-19T00:38:22+0000 2026-10-19T05:22:23+0000

    STARLINK-4684 & STARLINK-37730 Collision Probability (Pc) Trend

    STARLINK-4684 & STARLINK-37730 Collision Probability (Pc) TrendNot Available

    STARLINK-4684 & STARLINK-37730 Miss Distance (Miss Distance) Trend

    STARLINK-4684 & STARLINK-37730 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4684Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37730Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4684Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37730Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4684

    No nearby objects data