🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.7

Radius: 14.6

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.66 AU - 0.78 AU

Year: 429 Days

Day: 8.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,266,435 km

• M1: 182,509 km (0.078 R)
• M2: 645,365 km (0.085 R)
• M3: 1,107,772 km (0.098 R)
• M4: 1,609,972 km (0.112 R)
• M5: 2,351,379 km (0.104 R)
• M6: 2,846,847 km (0.044 R)
• M7: 3,491,166 km (0.047 R)
• M8: 4,442,907 km (0.115 R)
• M9: 5,002,254 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13

Radius: 9.3

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.94 AU - 1.24 AU

Year: 800 Days

Day: 6.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 56,266,435 km

• M1: 116,686 km (0.079 R)
• M2: 465,249 km (0.074 R)
• M3: 863,928 km (0.074 R)
• M4: 1,320,052 km (0.116 R)
• M5: 2,240,827 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.4

Radius: 11.1

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.29 AU - 1.31 AU

Year: 1042 Days

Day: 9.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,266,435 km

• M1: 138,079 km (0.119 R)
• M2: 493,523 km (0.105 R)
• M3: 1,196,035 km (0.057 R)
• M4: 1,637,049 km (0.084 R)
• M5: 2,280,320 km (0.119 R)
• M6: 2,818,424 km (0.084 R)
• M7: 3,164,743 km (0.095 R)
• M8: 3,852,145 km (0.114 R)
• M9: 4,549,870 km (0.073 R)
• M10: 5,066,581 km (0.072 R)
• M11: 6,218,185 km (0.114 R)
• M12: 6,833,032 km (0.082 R)
• M13: 7,682,748 km (0.038 R)
• M14: 8,391,244 km (0.04 R)
• M15: 9,309,475 km (0.075 R)

Asteroid Belt

Center: 3.98 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 759.1

Radius: 5.8

Gravity: 22.57 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 5.56 AU - 7.76 AU

Year: 12081 Days

Day: 23.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 56,266,435 km

• M1: 75,697 km (0.099 R)
• M2: 333,902 km (0.095 R)
• M3: 600,037 km (0.034 R)
• M4: 1,228,049 km (0.118 R)
• M5: 1,544,299 km (0.11 R)
• M6: 2,782,371 km (0.12 R)
• M7: 3,107,148 km (0.103 R)
• M8: 5,943,673 km (0.087 R)
• M9: 6,170,912 km (0.102 R)
• M10: 7,180,997 km (0.092 R)
• M11: 7,658,663 km (0.06 R)
• M12: 7,973,567 km (0.085 R)
• M13: 8,438,217 km (0.087 R)
• M14: 9,069,072 km (0.11 R)
• M15: 9,575,311 km (0.105 R)
• M16: 11,438,104 km (0.085 R)
• M17: 13,079,791 km (0.087 R)
• M18: 13,989,944 km (0.093 R)
• M19: 15,504,473 km (0.075 R)
• M20: 15,863,358 km (0.097 R)
• M21: 18,055,117 km (0.066 R)
• M22: 22,843,445 km (0.065 R)
• M23: 23,684,335 km (0.095 R)
• M24: 24,352,589 km (0.068 R)
• M25: 26,027,786 km (0.085 R)
• M26: 26,944,970 km (0.069 R)
• M27: 27,883,398 km (0.076 R)
• M28: 31,055,920 km (0.118 R)
• M29: 31,626,037 km (0.059 R)
• M30: 35,194,993 km (0.107 R)
• M31: 41,586,413 km (0.047 R)
• M32: 44,115,963 km (0.094 R)
• M33: 46,005,384 km (0.084 R)
• M34: 46,300,840 km (0.115 R)
• M35: 48,862,853 km (0.042 R)
• M36: 49,634,030 km (0.092 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 12,717 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit