Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.778641E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:52:43+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 52110
    NORAD ID 52110
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64780
    NORAD ID 64780
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3687 STARLINK-34491
    Time of Closest Approach 2026-09-06T01:32:12+0000
    Collision Probability (Pc) 1.778641E-6
    Conjunction Distance (km) 2.303 km
    Relative Speed (km/s) 11.618 km/s
    Conjunction Risk Parameters R (Radial): -2.299 | I (In-track): -0.06 | C (Cross-track): -0.089
    Collision Risk Index (CRI) 0.4
    X Position (km) -4772.551 -4770.88
    Position Y (km) 4136.432 4135.125
    Position Z (km) 2627.981 2627.086
    Velocity X (km/s) -4.939 -1.555
    Velocity Y (km/s) -2.28 -5.215
    Velocity Z (km/s) -5.36 5.36

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3687 STARLINK-34491
    Semimajor Axis (a) 6843.314 km 6840.821 km
    Eccentricity (e) 0.000047 0.000178
    Inclination (i) 53.1623° 53.1579°
    RAAN 348.3440° 131.8944°
    Perigee Argument 143.1374° 117.3189°
    Mean Anomaly (M) 216.9660° 242.7995°
    Apogee 465.501 km 463.905 km
    Perigee 464.853 km 461.463 km
    Orbit Epoch 2026-09-03T16:34:20+0000 2026-09-03T17:08:12+0000

    STARLINK-3687 & STARLINK-34491 Collision Probability (Pc) Trend

    STARLINK-3687 & STARLINK-34491 Collision Probability (Pc) TrendNot Available

    STARLINK-3687 & STARLINK-34491 Miss Distance (Miss Distance) Trend

    STARLINK-3687 & STARLINK-34491 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3687Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34491Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3687Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34491Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3687

    No nearby objects data