Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.400675E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T11:16:27+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53834
    NORAD ID 53834
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64540
    NORAD ID 64540
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4737 ARCSTONE
    Time of Closest Approach 2026-09-03T21:19:32+0000
    Collision Probability (Pc) 1.400675E-5
    Conjunction Distance (km) 1.201 km
    Relative Speed (km/s) 14.271 km/s
    Conjunction Risk Parameters R (Radial): -0.865 | I (In-track): -0.29 | C (Cross-track): -0.778
    Collision Risk Index (CRI) 0.58
    X Position (km) -5270.209 -5270.621
    Position Y (km) 92.665 91.953
    Position Z (km) -4363.864 -4364.737
    Velocity X (km/s) -3.155 4.815
    Velocity Y (km/s) -5.884 1.203
    Velocity Z (km/s) 3.69 -5.792

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4737 ARCSTONE
    Semimajor Axis (a) 6837.892 km 6838.332 km
    Eccentricity (e) 0.000137 0.000153
    Inclination (i) 53.1594° 97.4679°
    RAAN 224.9363° 3.6108°
    Perigee Argument 88.5469° 258.7743°
    Mean Anomaly (M) 271.5690° 101.3328°
    Apogee 460.689 km 461.242 km
    Perigee 458.821 km 459.148 km
    Orbit Epoch 2026-09-02T06:29:58+0000 2026-09-02T06:49:42+0000

    STARLINK-4737 & ARCSTONE Collision Probability (Pc) Trend

    STARLINK-4737 & ARCSTONE Collision Probability (Pc) TrendNot Available

    STARLINK-4737 & ARCSTONE Miss Distance (Miss Distance) Trend

    STARLINK-4737 & ARCSTONE Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4737Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ARCSTONEMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4737Collision Probability Trend

    Object 1 Probability TrendNot Available

    ARCSTONECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4737

    No nearby objects data