Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.190272E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T13:02:17+0800
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    1 Object 1

    AOE ID 56129
    NORAD ID 56129
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57149
    NORAD ID 57149
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-6121 STARLINK-5778
    Time of Closest Approach 2026-10-31T07:34:03+0000
    Collision Probability (Pc) 4.190272E-6
    Conjunction Distance (km) 1.604 km
    Relative Speed (km/s) 10.121 km/s
    Conjunction Risk Parameters R (Radial): -0.465 | I (In-track): 1.151 | C (Cross-track): 1.016
    Collision Risk Index (CRI) 0.47
    X Position (km) 6566.779 6566.026
    Position Y (km) 1344.345 1345.757
    Position Z (km) 1456.412 1456.309
    Velocity X (km/s) -0.088 -2.202
    Velocity Y (km/s) 5.808 5.375
    Velocity Z (km/s) -4.943 4.944

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-6121 STARLINK-5778
    Semimajor Axis (a) 6860.871 km 6861.088 km
    Eccentricity (e) 0.000228 0.000342
    Inclination (i) 42.9947° 42.9989°
    RAAN 217.0459° 8.4619°
    Perigee Argument 258.2456° 283.3263°
    Mean Anomaly (M) 101.8140° 76.7208°
    Apogee 484.299 km 485.297 km
    Perigee 481.169 km 480.605 km
    Orbit Epoch 2026-10-29T04:39:00+0000 2026-10-29T11:32:59+0000

    STARLINK-6121 & STARLINK-5778 Collision Probability (Pc) Trend

    STARLINK-6121 & STARLINK-5778 Collision Probability (Pc) TrendNot Available

    STARLINK-6121 & STARLINK-5778 Miss Distance (Miss Distance) Trend

    STARLINK-6121 & STARLINK-5778 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-6121Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5778Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-6121Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5778Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-6121

    No nearby objects data