🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.4

Radius: 13

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.73 AU - 0.75 AU

Year: 418 Days

Day: 6.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,639,974 km

• M1: 161,715 km (0.081 R)
• M2: 583,581 km (0.118 R)
• M3: 1,147,416 km (0.082 R)
• M4: 1,602,642 km (0.026 R)
• M5: 2,013,139 km (0.109 R)
• M6: 2,533,141 km (0.049 R)
• M7: 3,164,743 km (0.101 R)
• M8: 3,696,264 km (0.055 R)
• M9: 4,123,665 km (0.112 R)
• M10: 4,925,360 km (0.113 R)
• M11: 5,363,832 km (0.106 R)
• M12: 5,777,320 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.2

Radius: 13

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.24 AU - 1.38 AU

Year: 984 Days

Day: 12.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,639,974 km

• M1: 161,715 km (0.095 R)
• M2: 637,137 km (0.103 R)
• M3: 1,390,363 km (0.106 R)
• M4: 2,402,691 km (0.078 R)
• M5: 2,942,141 km (0.044 R)
• M6: 3,576,436 km (0.064 R)
• M7: 4,012,065 km (0.069 R)
• M8: 4,741,654 km (0.055 R)
• M9: 5,175,787 km (0.07 R)
• M10: 5,656,445 km (0.078 R)
• M11: 6,124,836 km (0.047 R)
• M12: 6,797,278 km (0.049 R)
• M13: 7,885,453 km (0.1 R)
• M14: 8,735,169 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932

Radius: 9.8

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.51 AU - 2.61 AU

Year: 2687 Days

Day: 12.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,639,974 km

• M1: 121,922 km (0.114 R)
• M2: 594,502 km (0.101 R)
• M3: 986,299 km (0.089 R)
• M4: 1,477,429 km (0.088 R)
• M5: 2,073,127 km (0.119 R)
• M6: 2,464,326 km (0.093 R)
• M7: 2,988,367 km (0.098 R)
• M8: 4,026,127 km (0.06 R)
• M9: 4,502,746 km (0.111 R)
• M10: 6,274,434 km (0.058 R)
• M11: 7,666,143 km (0.114 R)
• M12: 8,263,188 km (0.067 R)
• M13: 9,253,227 km (0.088 R)
• M14: 9,663,274 km (0.058 R)
• M15: 11,552,995 km (0.086 R)
• M16: 12,382,814 km (0.107 R)
• M17: 13,581,841 km (0.07 R)
• M18: 14,806,300 km (0.109 R)
• M19: 15,627,592 km (0.028 R)
• M20: 16,209,677 km (0.034 R)
• M21: 16,861,026 km (0.049 R)
• M22: 18,100,445 km (0.076 R)
• M23: 20,010,361 km (0.116 R)
• M24: 21,593,106 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.3

Radius: 12.3

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.48 AU - 3.48 AU

Year: 3375 Days

Day: 9.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 32,639,974 km

• M1: 153,487 km (0.091 R)
• M2: 595,699 km (0.094 R)
• M3: 1,081,742 km (0.074 R)
• M4: 2,113,070 km (0.117 R)
• M5: 2,642,347 km (0.106 R)
• M6: 4,214,621 km (0.091 R)
• M7: 4,983,404 km (0.086 R)
• M8: 5,591,968 km (0.12 R)
• M9: 6,309,290 km (0.048 R)
• M10: 7,651,632 km (0.092 R)
• M11: 8,174,626 km (0.107 R)
• M12: 8,946,850 km (0.1 R)
• M13: 9,888,419 km (0.113 R)
• M14: 10,383,289 km (0.1 R)
• M15: 12,153,630 km (0.095 R)
• M16: 13,658,286 km (0.085 R)
• M17: 15,013,044 km (0.025 R)
• M18: 16,227,779 km (0.073 R)
• M19: 16,685,399 km (0.076 R)
• M20: 21,955,582 km (0.105 R)
• M21: 22,374,905 km (0.102 R)
• M22: 23,737,891 km (0.077 R)
• M23: 24,702,049 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.9

Radius: 10.3

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 4.33 AU - 6.85 AU

Year: 8670 Days

Day: 10.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,639,974 km

• M1: 165,605 km (0.105 R)
• M2: 1,074,711 km (0.109 R)
• M3: 1,416,542 km (0.111 R)
• M4: 2,582,508 km (0.074 R)
• M5: 3,614,285 km (0.116 R)
• M6: 5,151,851 km (0.088 R)
• M7: 5,618,896 km (0.048 R)
• M8: 6,242,270 km (0.086 R)
• M9: 9,590,271 km (0.088 R)
• M10: 12,019,591 km (0.111 R)
• M11: 13,322,438 km (0.113 R)
• M12: 16,391,887 km (0.113 R)
• M13: 18,524,704 km (0.116 R)
• M14: 24,451,473 km (0.114 R)
• M15: 25,354,296 km (0.093 R)
• M16: 26,194,138 km (0.108 R)
• M17: 27,664,386 km (0.105 R)

Asteroid Belt

Center: 6.37 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 137.5

Radius: 6.7

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 6.07 AU - 8.23 AU

Year: 12542 Days

Day: 21.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,639,974 km

• M1: 85,121 km (0.11 R)
• M2: 347,665 km (0.04 R)
• M3: 962,363 km (0.093 R)
• M4: 1,242,710 km (0.093 R)
• M5: 1,759,271 km (0.101 R)
• M6: 2,230,055 km (0.108 R)
• M7: 3,890,143 km (0.103 R)
• M8: 6,017,874 km (0.107 R)
• M9: 6,337,415 km (0.071 R)
• M10: 10,051,631 km (0.085 R)
• M11: 13,169,400 km (0.105 R)
• M12: 13,545,339 km (0.071 R)
• M13: 14,888,728 km (0.094 R)
• M14: 21,227,639 km (0.109 R)
• M15: 24,214,959 km (0.103 R)
• M16: 31,481,974 km (0.055 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 445 - 17,300 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit