🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.44 AU - 0.64 AU

Year: 260 Days

Day: 18.7 Hours

Environment

Temp: -122 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,251,970 km

• M1: 33,211 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.6

Radius: 12.5

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.81 AU - 0.97 AU

Year: 551 Days

Day: 12.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,251,970 km

• M1: 155,432 km (0.111 R)
• M2: 590,612 km (0.093 R)
• M3: 1,348,326 km (0.106 R)
• M4: 1,923,230 km (0.105 R)
• M5: 2,637,859 km (0.083 R)
• M6: 3,350,843 km (0.081 R)
• M7: 3,779,740 km (0.064 R)
• M8: 4,522,044 km (0.1 R)
• M9: 5,096,351 km (0.102 R)
• M10: 5,614,558 km (0.116 R)
• M11: 6,543,860 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.8

Radius: 8.1

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.02 AU - 1.2 AU

Year: 767 Days

Day: 9.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,251,970 km

• M1: 100,679 km (0.1 R)
• M2: 366,814 km (0.117 R)
• M3: 653,892 km (0.117 R)
• M4: 913,445 km (0.109 R)
• M5: 1,449,005 km (0.106 R)
• M6: 1,840,503 km (0.114 R)
• M7: 2,179,491 km (0.113 R)
• M8: 2,582,209 km (0.114 R)
• M9: 2,873,625 km (0.045 R)
• M10: 3,213,063 km (0.061 R)
• M11: 3,823,722 km (0.117 R)
• M12: 4,864,474 km (0.108 R)
• M13: 5,183,566 km (0.031 R)
• M14: 5,478,723 km (0.074 R)
• M15: 6,580,810 km (0.079 R)
• M16: 6,993,850 km (0.08 R)
• M17: 7,586,856 km (0.091 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 816

Radius: 3.9

Gravity: 53.65 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 8.01 AU - 8.99 AU

Year: 16257 Days

Day: 23 Hours

Environment

Temp: -232 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,251,970 km

• M1: 50,414 km (0.075 R)
• M2: 233,073 km (0.104 R)
• M3: 585,227 km (0.098 R)
• M4: 1,080,994 km (0.103 R)
• M5: 2,020,768 km (0.083 R)
• M6: 2,201,183 km (0.083 R)
• M7: 2,436,351 km (0.047 R)
• M8: 2,783,568 km (0.107 R)
• M9: 3,189,277 km (0.085 R)
• M10: 3,323,915 km (0.075 R)
• M11: 3,840,177 km (0.119 R)
• M12: 6,531,443 km (0.114 R)
• M13: 6,971,410 km (0.04 R)
• M14: 7,337,177 km (0.062 R)
• M15: 8,460,508 km (0.088 R)
• M16: 10,323,749 km (0.094 R)
• M17: 10,798,722 km (0.119 R)
• M18: 13,888,218 km (0.118 R)
• M19: 14,466,862 km (0.099 R)
• M20: 17,105,918 km (0.087 R)
• M21: 17,270,476 km (0.088 R)
• M22: 17,686,358 km (0.11 R)
• M23: 20,231,766 km (0.1 R)
• M24: 21,447,996 km (0.076 R)
• M25: 26,912,358 km (0.114 R)
• M26: 28,496,599 km (0.111 R)
• M27: 30,502,707 km (0.113 R)
• M28: 33,620,625 km (0.111 R)
• M29: 33,749,579 km (0.12 R)
• M30: 37,913,037 km (0.111 R)
• M31: 39,756,233 km (0.105 R)
• M32: 44,857,819 km (0.089 R)
• M33: 52,777,530 km (0.036 R)
• M34: 53,828,605 km (0.085 R)
• M35: 54,359,378 km (0.089 R)
• M36: 57,986,977 km (0.106 R)
• M37: 60,811,235 km (0.071 R)
• M38: 61,194,655 km (0.071 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 15,572 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit