🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.7

Radius: 13.9

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.63 AU - 0.81 AU

Year: 388 Days

Day: 10.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,868,192 km

• M1: 172,935 km (0.113 R)
• M2: 662,719 km (0.077 R)
• M3: 1,188,106 km (0.118 R)
• M4: 1,812,229 km (0.076 R)
• M5: 2,535,235 km (0.109 R)
• M6: 3,099,369 km (0.086 R)
• M7: 3,922,307 km (0.097 R)
• M8: 4,535,658 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.6

Radius: 8.3

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.65 AU - 0.99 AU

Year: 472 Days

Day: 6.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,868,192 km

• M1: 103,522 km (0.099 R)
• M2: 378,183 km (0.035 R)
• M3: 849,566 km (0.027 R)
• M4: 1,245,402 km (0.11 R)
• M5: 1,680,134 km (0.067 R)
• M6: 1,952,103 km (0.091 R)
• M7: 2,335,971 km (0.088 R)
• M8: 2,971,463 km (0.109 R)
• M9: 3,298,184 km (0.101 R)
• M10: 3,614,883 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.5

Radius: 9.6

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.86 AU - 1.12 AU

Year: 626 Days

Day: 5.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,868,192 km

• M1: 119,379 km (0.051 R)
• M2: 487,390 km (0.111 R)
• M3: 865,124 km (0.084 R)
• M4: 1,382,434 km (0.076 R)
• M5: 1,750,145 km (0.07 R)
• M6: 2,708,918 km (0.114 R)
• M7: 3,544,123 km (0.104 R)
• M8: 3,867,703 km (0.116 R)
• M9: 4,772,621 km (0.097 R)
• M10: 5,221,414 km (0.109 R)
• M11: 5,947,563 km (0.075 R)
• M12: 6,304,653 km (0.041 R)
• M13: 6,697,197 km (0.098 R)
• M14: 7,926,144 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.5

Radius: 9.9

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.66 AU - 3.64 AU

Year: 3555 Days

Day: 10.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,868,192 km

• M1: 123,119 km (0.073 R)
• M2: 616,343 km (0.046 R)
• M3: 1,250,788 km (0.119 R)
• M4: 1,981,873 km (0.045 R)
• M5: 2,472,554 km (0.055 R)
• M6: 3,294,594 km (0.112 R)
• M7: 3,745,482 km (0.105 R)
• M8: 4,808,973 km (0.091 R)
• M9: 6,106,435 km (0.106 R)
• M10: 7,751,862 km (0.061 R)
• M11: 10,192,851 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 662.4

Radius: 5.4

Gravity: 22.72 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 8.21 AU - 12.15 AU

Year: 20652 Days

Day: 15.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 76,868,192 km

• M1: 68,665 km (0.112 R)
• M2: 326,423 km (0.105 R)
• M3: 500,255 km (0.105 R)
• M4: 700,118 km (0.093 R)
• M5: 1,196,633 km (0.041 R)
• M6: 1,480,271 km (0.12 R)
• M7: 2,355,119 km (0.084 R)
• M8: 2,852,383 km (0.093 R)
• M9: 3,388,242 km (0.098 R)
• M10: 3,925,897 km (0.116 R)
• M11: 4,149,695 km (0.104 R)
• M12: 4,484,196 km (0.096 R)
• M13: 5,516,870 km (0.111 R)
• M14: 6,926,681 km (0.051 R)
• M15: 7,493,956 km (0.095 R)
• M16: 7,689,929 km (0.084 R)
• M17: 8,720,957 km (0.063 R)
• M18: 10,803,809 km (0.071 R)
• M19: 10,991,105 km (0.03 R)
• M20: 14,515,930 km (0.101 R)
• M21: 17,158,876 km (0.048 R)
• M22: 18,637,950 km (0.103 R)
• M23: 18,907,525 km (0.088 R)
• M24: 22,046,986 km (0.119 R)
• M25: 27,093,072 km (0.1 R)
• M26: 29,213,472 km (0.08 R)
• M27: 31,823,955 km (0.059 R)
• M28: 38,221,358 km (0.083 R)
• M29: 47,232,536 km (0.113 R)
• M30: 49,258,540 km (0.033 R)
• M31: 58,133,134 km (0.058 R)
• M32: 63,045,928 km (0.097 R)
• M33: 64,674,600 km (0.102 R)
• M34: 65,706,676 km (0.108 R)
• M35: 67,170,042 km (0.055 R)
• M36: 71,470,233 km (0.088 R)
• M37: 73,017,524 km (0.077 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 532 - 17,140 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit