Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.980591E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:28:00+0800
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    1 Object 1

    AOE ID 47730
    NORAD ID 47730
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68628
    NORAD ID 68628
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2140 MISR-C-1
    Time of Closest Approach 2026-09-05T20:15:27+0000
    Collision Probability (Pc) 3.980591E-6
    Conjunction Distance (km) 1.68 km
    Relative Speed (km/s) 11.573 km/s
    Conjunction Risk Parameters R (Radial): 1.073 | I (In-track): 0.836 | C (Cross-track): 0.986
    Collision Risk Index (CRI) 0.47
    X Position (km) -1960.103 -1959.18
    Position Y (km) -5435.429 -5436.661
    Position Z (km) 3668.238 3668.907
    Velocity X (km/s) 4.121 5.382
    Velocity Y (km/s) -4.555 1.593
    Velocity Z (km/s) -4.534 5.189

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2140 MISR-C-1
    Semimajor Axis (a) 6848.915 km 6867.574 km
    Eccentricity (e) 0.000118 0.003474
    Inclination (i) 53.1608° 60.0206°
    RAAN 111.7730° 237.0194°
    Perigee Argument 107.3930° 73.5420°
    Mean Anomaly (M) 252.7201° 286.9475°
    Apogee 471.587 km 513.298 km
    Perigee 469.969 km 465.576 km
    Orbit Epoch 2026-09-03T00:19:11+0000 2026-09-03T16:10:53+0000

    STARLINK-2140 & MISR-C-1 Collision Probability (Pc) Trend

    STARLINK-2140 & MISR-C-1 Collision Probability (Pc) TrendNot Available

    STARLINK-2140 & MISR-C-1 Miss Distance (Miss Distance) Trend

    STARLINK-2140 & MISR-C-1 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2140Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    MISR-C-1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2140Collision Probability Trend

    Object 1 Probability TrendNot Available

    MISR-C-1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2140

    No nearby objects data