🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.58 AU - 0.76 AU

Year: 354 Days

Day: 46.4 Hours

Environment

Temp: -127 °C

Axial Tilt: 28.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,008,109 km

• M1: 40,541 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466

Radius: 14.3

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.63 AU - 0.99 AU

Year: 471 Days

Day: 7.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,008,109 km

• M1: 177,872 km (0.086 R)
• M2: 705,653 km (0.107 R)
• M3: 1,178,382 km (0.089 R)
• M4: 1,638,246 km (0.092 R)
• M5: 2,385,637 km (0.11 R)
• M6: 2,880,208 km (0.102 R)
• M7: 3,329,749 km (0.116 R)
• M8: 3,801,880 km (0.112 R)
• M9: 4,651,447 km (0.115 R)
• M10: 5,369,068 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.3

Radius: 14

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.48 AU - 3 AU

Year: 2928 Days

Day: 13.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,008,109 km

• M1: 186,549 km (0.102 R)
• M2: 1,142,928 km (0.039 R)
• M3: 1,748,949 km (0.063 R)
• M4: 2,325,798 km (0.079 R)
• M5: 3,255,998 km (0.067 R)
• M6: 3,869,947 km (0.087 R)
• M7: 5,831,624 km (0.064 R)
• M8: 6,323,951 km (0.086 R)
• M9: 7,327,603 km (0.064 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.7

Radius: 7.9

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 7.91 AU - 11.07 AU

Year: 18876 Days

Day: 22.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 56,008,109 km

• M1: 99,034 km (0.11 R)
• M2: 358,586 km (0.109 R)
• M3: 743,651 km (0.103 R)
• M4: 1,562,999 km (0.12 R)
• M5: 1,982,321 km (0.11 R)
• M6: 2,536,731 km (0.077 R)
• M7: 2,953,212 km (0.048 R)
• M8: 4,065,472 km (0.072 R)
• M9: 5,025,142 km (0.086 R)
• M10: 5,575,812 km (0.03 R)
• M11: 6,555,977 km (0.062 R)
• M12: 7,869,297 km (0.094 R)
• M13: 8,374,938 km (0.12 R)
• M14: 10,128,823 km (0.077 R)
• M15: 10,397,950 km (0.108 R)
• M16: 12,235,311 km (0.107 R)
• M17: 17,911,802 km (0.115 R)
• M18: 20,620,570 km (0.058 R)
• M19: 21,937,630 km (0.118 R)
• M20: 22,938,440 km (0.102 R)
• M21: 23,309,891 km (0.081 R)
• M22: 23,590,986 km (0.103 R)
• M23: 23,969,468 km (0.084 R)
• M24: 28,084,906 km (0.07 R)
• M25: 28,616,876 km (0.045 R)
• M26: 31,264,758 km (0.051 R)
• M27: 34,433,839 km (0.099 R)
• M28: 41,539,589 km (0.102 R)
• M29: 43,634,557 km (0.094 R)
• M30: 44,348,289 km (0.1 R)
• M31: 44,635,965 km (0.086 R)
• M32: 45,798,939 km (0.033 R)
• M33: 46,536,158 km (0.107 R)
• M34: 50,497,060 km (0.07 R)
• M35: 53,855,832 km (0.056 R)
• M36: 55,007,735 km (0.091 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: 239 - 15,897 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit