Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    6.297718E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T20:13:28+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 31702
    NORAD ID 31702
    Object Type ROCKET BODY
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 37216
    NORAD ID 37216
    Object Type PAYLOAD
    Country
    IT IT

    Conjunction Constraints

    Parameter ATLAS 5 CENTAUR R/B SKYMED 4
    Time of Closest Approach 2026-10-31T12:03:49+0000
    Collision Probability (Pc) 6.297718E-5
    Conjunction Distance (km) 0.646 km
    Relative Speed (km/s) 6.528 km/s
    Conjunction Risk Parameters R (Radial): -0.632 | I (In-track): -0.127 | C (Cross-track): -0.018
    Collision Risk Index (CRI) 0.71
    X Position (km) 3428.581 3428.95
    Position Y (km) -3519.277 -3519.666
    Position Z (km) 4979.79 4980.149
    Velocity X (km/s) 6.547 2.625
    Velocity Y (km/s) 0.227 -4.809
    Velocity Z (km/s) -3.827 -5.193

    Orbital Parameters 国际轨道数据源

    Parameter ATLAS 5 CENTAUR R/B SKYMED 4
    Semimajor Axis (a) 7071.612 km 7000.663 km
    Eccentricity (e) 0.048951 0.000144
    Inclination (i) 63.3030° 97.8891°
    RAAN 171.6389° 124.6848°
    Perigee Argument 46.0794° 79.2938°
    Mean Anomaly (M) 317.9621° 280.8437°
    Apogee 1039.638 km 623.532 km
    Perigee 347.312 km 621.520 km
    Orbit Epoch 2026-10-29T08:33:59+0000 2026-10-29T23:48:58+0000

    ATLAS 5 CENTAUR R/B & SKYMED 4 Collision Probability (Pc) Trend

    ATLAS 5 CENTAUR R/B & SKYMED 4 Collision Probability (Pc) TrendNot Available

    ATLAS 5 CENTAUR R/B & SKYMED 4 Miss Distance (Miss Distance) Trend

    ATLAS 5 CENTAUR R/B & SKYMED 4 Miss Distance (Miss Distance) TrendNot Available

    ATLAS 5 CENTAUR R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SKYMED 4Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ATLAS 5 CENTAUR R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    SKYMED 4Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ATLAS 5 CENTAUR R/B

    No nearby objects data