Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.605556E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T17:06:24+0800
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    1 Object 1

    AOE ID 59725
    NORAD ID 59725
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64344
    NORAD ID 64344
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31820 STARLINK-33977
    Time of Closest Approach 2026-09-05T04:27:06+0000
    Collision Probability (Pc) 1.605556E-6
    Conjunction Distance (km) 2.253 km
    Relative Speed (km/s) 9.09 km/s
    Conjunction Risk Parameters R (Radial): -2.235 | I (In-track): -0.222 | C (Cross-track): -0.165
    Collision Risk Index (CRI) 0.39
    X Position (km) 322.652 322.281
    Position Y (km) -4273.404 -4271.955
    Position Z (km) -5349.397 -5347.712
    Velocity X (km/s) 7.163 4.533
    Velocity Y (km/s) 2.223 -4.651
    Velocity Z (km/s) -1.345 3.989

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31820 STARLINK-33977
    Semimajor Axis (a) 6848.837 km 6873.895 km
    Eccentricity (e) 0.000112 0.000287
    Inclination (i) 53.1606° 69.9993°
    RAAN 31.5586° 304.0425°
    Perigee Argument 82.6909° 262.0327°
    Mean Anomaly (M) 277.4220° 201.0190°
    Apogee 471.469 km 497.729 km
    Perigee 469.931 km 493.787 km
    Orbit Epoch 2026-09-03T18:26:51+0000 2026-09-04T04:00:02+0000

    STARLINK-31820 & STARLINK-33977 Collision Probability (Pc) Trend

    STARLINK-31820 & STARLINK-33977 Collision Probability (Pc) TrendNot Available

    STARLINK-31820 & STARLINK-33977 Miss Distance (Miss Distance) Trend

    STARLINK-31820 & STARLINK-33977 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31820Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33977Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31820Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33977Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31820

    No nearby objects data