🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.95 AU - 1.07 AU

Year: 357 Days

Day: 18.1 Hours

Environment

Temp: 134 °C

Axial Tilt: 26.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 80,336,819 km

• M1: 232,325 km (0.034 R)
• M2: 285,582 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.21 AU - 1.95 AU

Year: 698 Days

Day: 23.4 Hours

Environment

Temp: -27 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,336,819 km

• M1: 846,126 km (0.092 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.82 AU - 2.5 AU

Year: 1116 Days

Day: 17.6 Hours

Environment

Temp: -52 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.02 AU - 3.3 AU

Year: 1525 Days

Day: 13.6 Hours

Environment

Temp: -87 °C

Axial Tilt: 14 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,336,819 km

• M1: 391,198 km (0.1 R)

Asteroid Belt

Center: 6.18 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.1

Radius: 11.4

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 9.22 AU - 10.16 AU

Year: 10601 Days

Day: 5 Hours

Environment

Temp: -163 °C

Axial Tilt: 167 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,336,819 km

• M1: 141,819 km (0.078 R)
• M2: 548,875 km (0.095 R)
• M3: 1,186,162 km (0.101 R)
• M4: 2,021,067 km (0.119 R)
• M5: 3,543,076 km (0.12 R)
• M6: 3,922,456 km (0.107 R)
• M7: 7,075,082 km (0.115 R)
• M8: 8,146,352 km (0.114 R)
• M9: 9,369,913 km (0.114 R)
• M10: 9,902,182 km (0.1 R)
• M11: 10,608,733 km (0.092 R)
• M12: 11,187,228 km (0.111 R)
• M13: 11,731,166 km (0.042 R)
• M14: 12,813,506 km (0.111 R)
• M15: 13,469,792 km (0.05 R)
• M16: 15,307,901 km (0.063 R)
• M17: 15,843,162 km (0.104 R)
• M18: 17,021,994 km (0.094 R)
• M19: 17,815,461 km (0.08 R)
• M20: 19,553,938 km (0.112 R)
• M21: 20,264,079 km (0.065 R)
• M22: 24,435,765 km (0.044 R)
• M23: 26,007,590 km (0.06 R)
• M24: 31,233,492 km (0.068 R)
• M25: 33,865,816 km (0.079 R)
• M26: 44,377,311 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.3

Radius: 10

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 10.73 AU - 12.87 AU

Year: 14246 Days

Day: 11.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,336,819 km

• M1: 124,765 km (0.1 R)
• M2: 446,101 km (0.108 R)
• M3: 881,131 km (0.111 R)
• M4: 1,414,597 km (0.118 R)
• M5: 2,360,954 km (0.079 R)
• M6: 2,678,251 km (0.113 R)
• M7: 3,563,870 km (0.085 R)
• M8: 4,437,222 km (0.086 R)
• M9: 6,040,463 km (0.087 R)
• M10: 10,249,249 km (0.099 R)
• M11: 11,362,108 km (0.085 R)
• M12: 13,588,872 km (0.063 R)
• M13: 15,310,893 km (0.087 R)
• M14: 16,291,208 km (0.083 R)
• M15: 17,243,249 km (0.099 R)
• M16: 20,947,741 km (0.05 R)
• M17: 25,151,292 km (0.093 R)
• M18: 26,146,267 km (0.102 R)
• M19: 26,607,028 km (0.095 R)
• M20: 29,288,570 km (0.072 R)
• M21: 34,186,255 km (0.093 R)
• M22: 34,737,374 km (0.119 R)
• M23: 36,426,483 km (0.119 R)
• M24: 37,465,740 km (0.104 R)
• M25: 42,199,016 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 293.5

Radius: 4.9

Gravity: 12.22 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 16.27 AU - 25.17 AU

Year: 33148 Days

Day: 22.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,336,819 km

• M1: 108,458 km (0.102 R)
• M2: 536,907 km (0.12 R)
• M3: 836,701 km (0.099 R)
• M4: 1,521,261 km (0.096 R)
• M5: 1,899,743 km (0.032 R)
• M6: 2,429,320 km (0.071 R)
• M7: 6,577,968 km (0.043 R)
• M8: 11,743,582 km (0.1 R)
• M9: 12,701,458 km (0.102 R)
• M10: 16,885,560 km (0.094 R)
• M11: 19,943,191 km (0.067 R)
• M12: 29,899,079 km (0.101 R)
• M13: 37,139,616 km (0.115 R)
• M14: 41,008,217 km (0.095 R)
• M15: 45,137,118 km (0.116 R)
• M16: 70,862,118 km (0.038 R)
• M17: 72,648,915 km (0.045 R)
• M18: 74,465,332 km (0.106 R)

Kuiper Belt

Range: 31.2 - 48.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 20,178 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit