🌌 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: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.9

Radius: 14.9

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.7 AU - 0.76 AU

Year: 438 Days

Day: 10.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,331,928 km

• M1: 185,352 km (0.068 R)
• M2: 651,948 km (0.095 R)
• M3: 1,301,501 km (0.063 R)
• M4: 1,836,912 km (0.115 R)
• M5: 2,481,978 km (0.075 R)
• M6: 3,383,904 km (0.078 R)
• M7: 4,151,191 km (0.086 R)
• M8: 4,720,411 km (0.051 R)
• M9: 5,715,985 km (0.032 R)
• M10: 6,460,982 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.8

Radius: 15

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.25 AU - 1.43 AU

Year: 1090 Days

Day: 10.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,331,928 km

• M1: 192,682 km (0.066 R)
• M2: 812,915 km (0.068 R)
• M3: 1,355,806 km (0.101 R)
• M4: 1,918,593 km (0.12 R)
• M5: 2,523,566 km (0.045 R)
• M6: 3,039,230 km (0.111 R)
• M7: 3,559,681 km (0.108 R)
• M8: 4,183,804 km (0.111 R)
• M9: 4,767,086 km (0.073 R)
• M10: 5,404,672 km (0.057 R)
• M11: 6,041,809 km (0.088 R)
• M12: 6,893,171 km (0.088 R)
• M13: 7,380,561 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.4

Radius: 10.8

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.18 AU - 1.52 AU

Year: 1103 Days

Day: 12.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,331,928 km

• M1: 134,339 km (0.096 R)
• M2: 532,568 km (0.107 R)
• M3: 1,091,316 km (0.08 R)
• M4: 1,442,572 km (0.042 R)
• M5: 1,880,445 km (0.091 R)
• M6: 2,406,431 km (0.081 R)
• M7: 2,844,304 km (0.106 R)
• M8: 3,349,496 km (0.045 R)
• M9: 3,913,929 km (0.083 R)
• M10: 5,615,605 km (0.096 R)
• M11: 6,852,480 km (0.036 R)
• M12: 7,435,014 km (0.109 R)
• M13: 8,182,555 km (0.076 R)
• M14: 8,922,915 km (0.05 R)
• M15: 10,695,799 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.7

Radius: 11.6

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.71 AU - 2.19 AU

Year: 1914 Days

Day: 10.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,331,928 km

• M1: 148,102 km (0.091 R)
• M2: 519,105 km (0.113 R)
• M3: 885,769 km (0.088 R)
• M4: 1,313,320 km (0.072 R)
• M5: 1,824,944 km (0.082 R)
• M6: 2,208,813 km (0.072 R)
• M7: 3,542,627 km (0.066 R)
• M8: 4,567,522 km (0.095 R)
• M9: 6,101,798 km (0.095 R)
• M10: 6,945,530 km (0.083 R)
• M11: 7,482,138 km (0.112 R)
• M12: 8,606,964 km (0.117 R)
• M13: 8,995,021 km (0.103 R)
• M14: 11,342,660 km (0.075 R)
• M15: 11,809,705 km (0.118 R)
• M16: 15,829,100 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169.5

Radius: 6.4

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 9.28 AU - 10.36 AU

Year: 21631 Days

Day: 23.5 Hours

Environment

Temp: -244 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,331,928 km

• M1: 88,412 km (0.05 R)
• M2: 607,367 km (0.072 R)
• M3: 1,090,868 km (0.087 R)
• M4: 1,356,553 km (0.093 R)
• M5: 1,852,919 km (0.103 R)
• M6: 2,143,139 km (0.083 R)
• M7: 2,424,233 km (0.057 R)
• M8: 2,815,282 km (0.114 R)
• M9: 3,442,696 km (0.109 R)
• M10: 3,802,628 km (0.104 R)
• M11: 4,187,544 km (0.09 R)
• M12: 5,197,628 km (0.106 R)
• M13: 6,824,356 km (0.117 R)
• M14: 9,385,920 km (0.047 R)
• M15: 10,347,984 km (0.083 R)
• M16: 11,655,021 km (0.119 R)
• M17: 13,068,571 km (0.052 R)
• M18: 14,072,073 km (0.04 R)
• M19: 15,741,586 km (0.038 R)
• M20: 16,373,487 km (0.111 R)
• M21: 17,989,593 km (0.058 R)
• M22: 18,836,167 km (0.102 R)
• M23: 20,278,440 km (0.08 R)
• M24: 22,665,723 km (0.115 R)
• M25: 28,399,809 km (0.07 R)
• M26: 29,230,676 km (0.054 R)
• M27: 30,291,923 km (0.074 R)
• M28: 34,442,067 km (0.058 R)
• M29: 38,955,884 km (0.072 R)
• M30: 42,085,322 km (0.1 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 14,215 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit