Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.505428E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T20:46:37+0800
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    1 Object 1

    AOE ID 52634
    NORAD ID 52634
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69819
    NORAD ID 69819
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3974 STARLINK-37520
    Time of Closest Approach 2026-10-20T06:34:44+0000
    Collision Probability (Pc) 1.505428E-6
    Conjunction Distance (km) 2.478 km
    Relative Speed (km/s) 11.115 km/s
    Conjunction Risk Parameters R (Radial): 2.239 | I (In-track): 0.725 | C (Cross-track): -0.774
    Collision Risk Index (CRI) 0.39
    X Position (km) 5839.483 5841.619
    Position Y (km) -1245.588 -1244.959
    Position Z (km) 3324.377 3325.463
    Velocity X (km/s) -1.558 3.744
    Velocity Y (km/s) 5.693 4.562
    Velocity Z (km/s) 4.852 -4.851

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3974 STARLINK-37520
    Semimajor Axis (a) 6837.872 km 6840.781 km
    Eccentricity (e) 0.000129 0.000204
    Inclination (i) 53.1602° 53.1590°
    RAAN 330.0258° 198.5496°
    Perigee Argument 92.3214° 86.0569°
    Mean Anomaly (M) 267.7937° 274.0668°
    Apogee 460.620 km 464.042 km
    Perigee 458.850 km 461.246 km
    Orbit Epoch 2026-10-18T20:02:51+0000 2026-10-19T00:15:38+0000

    STARLINK-3974 & STARLINK-37520 Collision Probability (Pc) Trend

    STARLINK-3974 & STARLINK-37520 Collision Probability (Pc) TrendNot Available

    STARLINK-3974 & STARLINK-37520 Miss Distance (Miss Distance) Trend

    STARLINK-3974 & STARLINK-37520 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3974Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37520Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3974Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37520Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3974

    No nearby objects data