Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.649135E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:58:06+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 52644
    NORAD ID 52644
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63377
    NORAD ID 63377
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3985 STARLINK-33634
    Time of Closest Approach 2026-09-06T17:00:10+0000
    Collision Probability (Pc) 1.649135E-6
    Conjunction Distance (km) 2.366 km
    Relative Speed (km/s) 11.201 km/s
    Conjunction Risk Parameters R (Radial): 2.042 | I (In-track): -0.806 | C (Cross-track): 0.881
    Collision Risk Index (CRI) 0.39
    X Position (km) -4148.71 -4149.083
    Position Y (km) 4388.375 4390.506
    Position Z (km) -3216.61 -3217.564
    Velocity X (km/s) -5.573 -1.961
    Velocity Y (km/s) -1.65 -5.471
    Velocity Z (km/s) 4.945 -4.945

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3985 STARLINK-33634
    Semimajor Axis (a) 6837.907 km 6840.852 km
    Eccentricity (e) 0.000136 0.000132
    Inclination (i) 53.1592° 53.1594°
    RAAN 170.6164° 304.6469°
    Perigee Argument 88.8190° 123.2264°
    Mean Anomaly (M) 271.2968° 236.8865°
    Apogee 460.698 km 463.617 km
    Perigee 458.842 km 461.813 km
    Orbit Epoch 2026-09-03T18:51:29+0000 2026-09-03T13:01:51+0000

    STARLINK-3985 & STARLINK-33634 Collision Probability (Pc) Trend

    STARLINK-3985 & STARLINK-33634 Collision Probability (Pc) TrendNot Available

    STARLINK-3985 & STARLINK-33634 Miss Distance (Miss Distance) Trend

    STARLINK-3985 & STARLINK-33634 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3985Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33634Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3985Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33634Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3985

    No nearby objects data