🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.06 AU - 1.1 AU

Year: 430 Days

Day: 32.1 Hours

Environment

Temp: 13 °C

Axial Tilt: 7.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 62,257,522 km

• M1: 43,383 km (0.063 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.08 AU - 3.02 AU

Year: 1559 Days

Day: 17.8 Hours

Environment

Temp: -99 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 62,257,522 km

• M1: 71,508 km (0.071 R)
• M2: 2,032,137 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.8

Radius: 11.1

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.89 AU - 6.89 AU

Year: 5473 Days

Day: 5 Hours

Environment

Temp: -151 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,257,522 km

• M1: 196,721 km (0.1 R)
• M2: 671,096 km (0.106 R)
• M3: 1,108,221 km (0.112 R)
• M4: 1,786,498 km (0.108 R)
• M5: 2,523,566 km (0.085 R)
• M6: 4,007,877 km (0.095 R)
• M7: 5,082,438 km (0.092 R)
• M8: 6,126,781 km (0.081 R)
• M9: 7,040,973 km (0.075 R)
• M10: 9,826,187 km (0.077 R)
• M11: 19,157,354 km (0.07 R)
• M12: 21,171,839 km (0.05 R)
• M13: 23,996,994 km (0.103 R)
• M14: 25,147,552 km (0.094 R)
• M15: 26,901,138 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.1

Radius: 14

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.76 AU - 7.28 AU

Year: 6374 Days

Day: 8.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,257,522 km

• M1: 222,452 km (0.12 R)
• M2: 984,653 km (0.096 R)
• M3: 1,960,330 km (0.071 R)
• M4: 2,596,421 km (0.073 R)
• M5: 3,615,182 km (0.117 R)
• M6: 5,097,099 km (0.102 R)
• M7: 7,120,111 km (0.115 R)
• M8: 8,368,355 km (0.065 R)
• M9: 11,296,135 km (0.089 R)
• M10: 11,954,815 km (0.085 R)
• M11: 13,925,767 km (0.108 R)
• M12: 17,061,787 km (0.073 R)
• M13: 21,842,785 km (0.106 R)
• M14: 22,718,232 km (0.091 R)
• M15: 27,366,387 km (0.085 R)
• M16: 28,041,971 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463.1

Radius: 6.3

Gravity: 11.67 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 10.04 AU - 15.64 AU

Year: 17616 Days

Day: 21.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,257,522 km

• M1: 80,783 km (0.06 R)
• M2: 401,221 km (0.095 R)
• M3: 1,380,938 km (0.03 R)
• M4: 1,783,207 km (0.112 R)
• M5: 3,521,384 km (0.072 R)
• M6: 3,741,742 km (0.086 R)
• M7: 7,421,700 km (0.105 R)
• M8: 7,784,924 km (0.082 R)
• M9: 9,253,975 km (0.109 R)
• M10: 9,890,214 km (0.041 R)
• M11: 12,537,349 km (0.075 R)
• M12: 15,329,593 km (0.12 R)
• M13: 15,548,754 km (0.116 R)
• M14: 18,759,124 km (0.119 R)
• M15: 26,140,134 km (0.031 R)
• M16: 28,715,910 km (0.119 R)
• M17: 30,524,099 km (0.046 R)
• M18: 42,270,674 km (0.051 R)
• M19: 43,282,105 km (0.112 R)
• M20: 50,494,517 km (0.106 R)
• M21: 60,813,030 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 462.8

Radius: 3.8

Gravity: 32.05 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 10.33 AU - 15.73 AU

Year: 18009 Days

Day: 17.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 62,257,522 km

• M1: 47,722 km (0.085 R)
• M2: 244,892 km (0.088 R)
• M3: 560,094 km (0.094 R)
• M4: 784,641 km (0.05 R)
• M5: 1,115,701 km (0.025 R)
• M6: 2,323,853 km (0.072 R)
• M7: 2,691,714 km (0.053 R)
• M8: 2,998,390 km (0.064 R)
• M9: 3,910,488 km (0.093 R)
• M10: 4,755,716 km (0.08 R)
• M11: 5,097,697 km (0.042 R)
• M12: 5,907,171 km (0.06 R)
• M13: 6,424,032 km (0.09 R)
• M14: 7,501,436 km (0.103 R)
• M15: 7,917,168 km (0.114 R)
• M16: 9,952,447 km (0.117 R)
• M17: 11,267,562 km (0.103 R)
• M18: 11,997,899 km (0.069 R)
• M19: 12,954,278 km (0.088 R)
• M20: 14,377,103 km (0.089 R)
• M21: 16,355,236 km (0.099 R)
• M22: 19,781,326 km (0.059 R)
• M23: 20,751,618 km (0.043 R)
• M24: 21,021,642 km (0.094 R)
• M25: 22,691,454 km (0.074 R)
• M26: 31,187,566 km (0.091 R)
• M27: 34,979,273 km (0.031 R)
• M28: 35,876,113 km (0.085 R)
• M29: 37,715,269 km (0.098 R)
• M30: 45,247,522 km (0.099 R)
• M31: 48,174,404 km (0.062 R)
• M32: 51,388,963 km (0.085 R)
• M33: 52,547,000 km (0.077 R)
• M34: 57,353,280 km (0.058 R)
• M35: 59,862,785 km (0.059 R)
• M36: 60,592,972 km (0.098 R)
• M37: 61,328,993 km (0.113 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 11,071 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit