🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.2

Radius: 13.3

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.88 AU - 1.22 AU

Year: 730 Days

Day: 10.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,892,842 km

• M1: 165,455 km (0.108 R)
• M2: 625,768 km (0.101 R)
• M3: 1,057,807 km (0.093 R)
• M4: 2,150,469 km (0.053 R)
• M5: 2,726,870 km (0.077 R)
• M6: 3,362,960 km (0.081 R)
• M7: 4,060,535 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453

Radius: 9.1

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.4 AU - 2.12 AU

Year: 1584 Days

Day: 5.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,892,842 km

• M1: 115,340 km (0.077 R)
• M2: 597,643 km (0.1 R)
• M3: 941,719 km (0.063 R)
• M4: 1,546,692 km (0.087 R)
• M5: 1,835,715 km (0.062 R)
• M6: 2,251,448 km (0.105 R)
• M7: 2,768,458 km (0.115 R)
• M8: 3,439,105 km (0.087 R)
• M9: 4,057,094 km (0.112 R)
• M10: 4,595,946 km (0.087 R)
• M11: 4,941,517 km (0.117 R)
• M12: 5,366,824 km (0.098 R)
• M13: 6,198,289 km (0.114 R)
• M14: 6,669,223 km (0.093 R)
• M15: 7,316,981 km (0.085 R)
• M16: 8,005,880 km (0.083 R)
• M17: 9,299,752 km (0.1 R)
• M18: 9,886,026 km (0.059 R)
• M19: 10,172,206 km (0.106 R)
• M20: 10,761,173 km (0.118 R)
• M21: 11,338,172 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.1

Radius: 13.6

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.48 AU - 2.26 AU

Year: 1734 Days

Day: 10.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,892,842 km

• M1: 169,195 km (0.094 R)
• M2: 636,689 km (0.103 R)
• M3: 1,070,373 km (0.055 R)
• M4: 1,587,682 km (0.116 R)
• M5: 2,084,497 km (0.076 R)
• M6: 3,683,100 km (0.047 R)
• M7: 4,852,506 km (0.051 R)
• M8: 5,278,710 km (0.117 R)
• M9: 6,659,050 km (0.099 R)
• M10: 8,090,402 km (0.074 R)
• M11: 10,469,009 km (0.068 R)
• M12: 11,184,834 km (0.107 R)
• M13: 13,281,598 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.9

Radius: 9.6

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.07 AU - 3.21 AU

Year: 2909 Days

Day: 5.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,892,842 km

• M1: 119,379 km (0.047 R)
• M2: 442,660 km (0.076 R)
• M3: 1,139,936 km (0.098 R)
• M4: 1,557,463 km (0.101 R)
• M5: 2,339,711 km (0.108 R)
• M6: 2,987,769 km (0.088 R)
• M7: 4,211,629 km (0.091 R)
• M8: 4,592,954 km (0.058 R)
• M9: 5,071,069 km (0.117 R)
• M10: 5,661,531 km (0.036 R)
• M11: 7,483,185 km (0.091 R)
• M12: 10,492,495 km (0.116 R)
• M13: 11,798,186 km (0.098 R)
• M14: 14,476,586 km (0.069 R)
• M15: 16,527,274 km (0.101 R)
• M16: 17,195,378 km (0.097 R)
• M17: 17,708,199 km (0.12 R)
• M18: 22,252,085 km (0.084 R)
• M19: 22,929,614 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.6

Radius: 10.7

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.21 AU - 4.19 AU

Year: 4827 Days

Day: 15 Hours

Environment

Temp: -219 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,892,842 km

• M1: 133,142 km (0.061 R)
• M2: 565,929 km (0.053 R)
• M3: 1,124,078 km (0.09 R)
• M4: 1,587,832 km (0.107 R)
• M5: 2,482,128 km (0.037 R)
• M6: 4,773,668 km (0.118 R)
• M7: 8,136,927 km (0.078 R)
• M8: 8,483,695 km (0.1 R)
• M9: 9,166,011 km (0.083 R)
• M10: 13,887,320 km (0.102 R)
• M11: 20,229,970 km (0.083 R)
• M12: 22,185,215 km (0.118 R)
• M13: 26,133,252 km (0.114 R)
• M14: 26,805,694 km (0.089 R)
• M15: 27,317,469 km (0.099 R)
• M16: 27,835,825 km (0.112 R)
• M17: 30,711,844 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.5

Radius: 13.3

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.89 AU - 5.29 AU

Year: 7789 Days

Day: 11.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,892,842 km

• M1: 170,841 km (0.109 R)
• M2: 907,161 km (0.048 R)
• M3: 1,463,516 km (0.111 R)
• M4: 2,072,529 km (0.097 R)
• M5: 2,885,593 km (0.072 R)
• M6: 3,334,686 km (0.088 R)
• M7: 4,171,836 km (0.058 R)
• M8: 5,001,057 km (0.075 R)
• M9: 5,592,567 km (0.075 R)
• M10: 6,164,629 km (0.034 R)
• M11: 6,987,866 km (0.09 R)
• M12: 7,614,382 km (0.101 R)
• M13: 8,158,170 km (0.116 R)
• M14: 10,693,555 km (0.114 R)
• M15: 11,577,379 km (0.099 R)
• M16: 15,606,199 km (0.063 R)
• M17: 16,231,219 km (0.074 R)
• M18: 20,191,673 km (0.104 R)
• M19: 20,635,081 km (0.116 R)
• M20: 23,841,113 km (0.042 R)
• M21: 24,503,383 km (0.068 R)
• M22: 25,691,639 km (0.088 R)
• M23: 27,636,262 km (0.118 R)
• M24: 29,772,370 km (0.099 R)
• M25: 32,417,859 km (0.055 R)
• M26: 34,266,290 km (0.046 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 96

Radius: 5.4

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 7.96 AU - 13.24 AU

Year: 23407 Days

Day: 22.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,892,842 km

• M1: 67,319 km (0.111 R)
• M2: 318,494 km (0.1 R)
• M3: 614,398 km (0.073 R)
• M4: 855,401 km (0.11 R)
• M5: 1,060,499 km (0.109 R)
• M6: 2,510,103 km (0.092 R)
• M7: 2,851,036 km (0.053 R)
• M8: 3,575,988 km (0.074 R)
• M9: 5,005,395 km (0.086 R)
• M10: 5,812,476 km (0.111 R)
• M11: 13,013,668 km (0.106 R)
• M12: 14,527,000 km (0.089 R)
• M13: 19,381,601 km (0.068 R)
• M14: 19,919,555 km (0.099 R)
• M15: 20,546,370 km (0.078 R)
• M16: 22,087,826 km (0.102 R)
• M17: 34,865,729 km (0.116 R)
• M18: 38,358,689 km (0.078 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 17,380 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit