Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.219371E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T11:36:00+0800
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    1 Object 1

    AOE ID 53604
    NORAD ID 53604
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64892
    NORAD ID 64892
    Object Type UNKNOWN
    Country
    TBD TBD

    Conjunction Constraints

    Parameter STARLINK-4690 OBJECT S
    Time of Closest Approach 2026-09-05T08:19:50+0000
    Collision Probability (Pc) 2.219371E-6
    Conjunction Distance (km) 2.007 km
    Relative Speed (km/s) 10.028 km/s
    Conjunction Risk Parameters R (Radial): -1.951 | I (In-track): -0.348 | C (Cross-track): 0.312
    Collision Risk Index (CRI) 0.42
    X Position (km) -3788.18 -3788.875
    Position Y (km) -2145.506 -2146.169
    Position Z (km) 5266.969 5268.732
    Velocity X (km/s) 5.273 4.25
    Velocity Y (km/s) -5.278 4.197
    Velocity Z (km/s) 1.638 4.756

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4690 OBJECT S
    Semimajor Axis (a) 6840.931 km 6837.867 km
    Eccentricity (e) 0.000123 0.000337
    Inclination (i) 53.1611° 97.4634°
    RAAN 159.7268° 215.8743°
    Perigee Argument 92.9652° 261.9181°
    Mean Anomaly (M) 267.1491° 98.1680°
    Apogee 463.636 km 462.035 km
    Perigee 461.952 km 457.425 km
    Orbit Epoch 2026-09-02T01:50:40+0000 2026-09-02T14:25:02+0000

    STARLINK-4690 & OBJECT S Collision Probability (Pc) Trend

    STARLINK-4690 & OBJECT S Collision Probability (Pc) TrendNot Available

    STARLINK-4690 & OBJECT S Miss Distance (Miss Distance) Trend

    STARLINK-4690 & OBJECT S Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4690Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT SMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4690Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT SCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4690

    No nearby objects data