Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.334981E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:45:20+0800
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    1 Object 1

    Name CS1
    AOE ID 49261
    NORAD ID 49261
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59390
    NORAD ID 59390
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CS1 STARLINK-31649
    Time of Closest Approach 2026-09-04T16:53:25+0000
    Collision Probability (Pc) 4.334981E-6
    Conjunction Distance (km) 1.721 km
    Relative Speed (km/s) 14.718 km/s
    Conjunction Risk Parameters R (Radial): -0.683 | I (In-track): -0.41 | C (Cross-track): 1.525
    Collision Risk Index (CRI) 0.48
    X Position (km) 4129.49 4128.051
    Position Y (km) -5112.612 -5113.148
    Position Z (km) 1897.196 1896.42
    Velocity X (km/s) -2.121 4.752
    Velocity Y (km/s) 1.005 1.699
    Velocity Z (km/s) 7.263 -5.732

    Orbital Parameters 国际轨道数据源

    Parameter CS1 STARLINK-31649
    Semimajor Axis (a) 6834.096 km 6840.913 km
    Eccentricity (e) 0.001230 0.000174
    Inclination (i) 97.3682° 53.1574°
    RAAN 309.5003° 146.1153°
    Perigee Argument 153.6139° 55.5196°
    Mean Anomaly (M) 206.5734° 304.5971°
    Apogee 464.367 km 463.969 km
    Perigee 447.551 km 461.583 km
    Orbit Epoch 2026-09-03T03:18:44+0000 2026-09-03T16:44:55+0000

    CS1 & STARLINK-31649 Collision Probability (Pc) Trend

    CS1 & STARLINK-31649 Collision Probability (Pc) TrendNot Available

    CS1 & STARLINK-31649 Miss Distance (Miss Distance) Trend

    CS1 & STARLINK-31649 Miss Distance (Miss Distance) TrendNot Available

    CS1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31649Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CS1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31649Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CS1

    No nearby objects data