Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.370834E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T22:38:25+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 52455
    NORAD ID 52455
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 65630
    NORAD ID 65630
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3890 STARLINK-34877
    Time of Closest Approach 2026-09-14T02:44:25+0000
    Collision Probability (Pc) 1.370834E-6
    Conjunction Distance (km) 2.683 km
    Relative Speed (km/s) 11.858 km/s
    Conjunction Risk Parameters R (Radial): -2.325 | I (In-track): -0.839 | C (Cross-track): -1.041
    Collision Risk Index (CRI) 0.38
    X Position (km) 4475.418 4477.909
    Position Y (km) -4710.304 -4710.982
    Position Z (km) 2124.023 2124.751
    Velocity X (km/s) 2.218 4.766
    Velocity Y (km/s) 4.66 1.978
    Velocity Z (km/s) 5.633 -5.632

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3890 STARLINK-34877
    Semimajor Axis (a) 6837.860 km 6840.823 km
    Eccentricity (e) 0.000102 0.000121
    Inclination (i) 53.1601° 53.1588°
    RAAN 311.8665° 157.6145°
    Perigee Argument 78.2480° 122.2668°
    Mean Anomaly (M) 281.8638° 237.8452°
    Apogee 460.423 km 463.514 km
    Perigee 459.023 km 461.858 km
    Orbit Epoch 2026-09-11T10:35:25+0000 2026-09-12T00:02:12+0000

    STARLINK-3890 & STARLINK-34877 Collision Probability (Pc) Trend

    STARLINK-3890 & STARLINK-34877 Collision Probability (Pc) TrendNot Available

    STARLINK-3890 & STARLINK-34877 Miss Distance (Miss Distance) Trend

    STARLINK-3890 & STARLINK-34877 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3890Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34877Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3890Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34877Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3890

    No nearby objects data