Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.785281E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T10:04:00+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 56688
    NORAD ID 56688
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59748
    NORAD ID 59748
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30122 STARLINK-31640
    Time of Closest Approach 2026-10-21T22:39:08+0000
    Collision Probability (Pc) 2.785281E-6
    Conjunction Distance (km) 1.73 km
    Relative Speed (km/s) 7.637 km/s
    Conjunction Risk Parameters R (Radial): -0.019 | I (In-track): 1.497 | C (Cross-track): -0.865
    Collision Risk Index (CRI) 0.44
    X Position (km) 3162.951 3161.51
    Position Y (km) -4862.519 -4863.474
    Position Z (km) -3668.865 -3668.877
    Velocity X (km/s) 4.416 6.641
    Velocity Y (km/s) 5.305 1.884
    Velocity Z (km/s) -3.227 3.227

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30122 STARLINK-31640
    Semimajor Axis (a) 6861.208 km 6861.110 km
    Eccentricity (e) 0.000101 0.000100
    Inclination (i) 42.9998° 43.0007°
    RAAN 92.3574° 0.8634°
    Perigee Argument 264.3832° 226.7271°
    Mean Anomaly (M) 95.6905° 133.3498°
    Apogee 483.761 km 483.657 km
    Perigee 482.381 km 482.289 km
    Orbit Epoch 2026-10-19T19:25:34+0000 2026-10-19T06:32:20+0000

    STARLINK-30122 & STARLINK-31640 Collision Probability (Pc) Trend

    STARLINK-30122 & STARLINK-31640 Collision Probability (Pc) TrendNot Available

    STARLINK-30122 & STARLINK-31640 Miss Distance (Miss Distance) Trend

    STARLINK-30122 & STARLINK-31640 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30122Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31640Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30122Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31640Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30122

    No nearby objects data