Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.10714E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T15:48:30+0800
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    1 Object 1

    AOE ID 52746
    NORAD ID 52746
    Object Type PAYLOAD
    Country
    CA CA
    ← VS →

    2 Object 2

    AOE ID 66220
    NORAD ID 66220
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter GHGSAT-C4 STARLINK-35677
    Time of Closest Approach 2026-10-22T20:36:06+0000
    Collision Probability (Pc) 3.10714E-6
    Conjunction Distance (km) 1.934 km
    Relative Speed (km/s) 14.673 km/s
    Conjunction Risk Parameters R (Radial): 1.702 | I (In-track): 0.246 | C (Cross-track): -0.884
    Collision Risk Index (CRI) 0.45
    X Position (km) -161.238 -162.025
    Position Y (km) -6303.754 -6302.014
    Position Z (km) 2648.878 2648.578
    Velocity X (km/s) -1.179 5.023
    Velocity Y (km/s) -2.909 2.127
    Velocity Z (km/s) -6.959 5.347

    Orbital Parameters 国际轨道数据源

    Parameter GHGSAT-C4 STARLINK-35677
    Semimajor Axis (a) 6836.902 km 6840.882 km
    Eccentricity (e) 0.000642 0.000123
    Inclination (i) 97.6690° 53.1570°
    RAAN 83.2934° 262.0699°
    Perigee Argument 30.0562° 102.0129°
    Mean Anomaly (M) 330.1048° 258.1011°
    Apogee 463.156 km 463.588 km
    Perigee 454.374 km 461.902 km
    Orbit Epoch 2026-10-20T22:34:19+0000 2026-10-20T07:30:41+0000

    GHGSAT-C4 & STARLINK-35677 Collision Probability (Pc) Trend

    GHGSAT-C4 & STARLINK-35677 Collision Probability (Pc) TrendNot Available

    GHGSAT-C4 & STARLINK-35677 Miss Distance (Miss Distance) Trend

    GHGSAT-C4 & STARLINK-35677 Miss Distance (Miss Distance) TrendNot Available

    GHGSAT-C4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35677Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    GHGSAT-C4Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35677Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with GHGSAT-C4

    No nearby objects data