🌌 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 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.8

Radius: 13.1

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.52 AU - 0.56 AU

Year: 274 Days

Day: 13.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,445,941 km

• M1: 163,062 km (0.03 R)
• M2: 628,012 km (0.107 R)
• M3: 2,141,942 km (0.068 R)
• M4: 2,704,879 km (0.109 R)
• M5: 3,203,938 km (0.096 R)
• M6: 3,800,085 km (0.114 R)
• M7: 4,233,620 km (0.072 R)
• M8: 4,854,002 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.2

Radius: 12.8

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.61 AU - 0.63 AU

Year: 337 Days

Day: 14.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,445,941 km

• M1: 159,172 km (0.063 R)
• M2: 645,964 km (0.074 R)
• M3: 1,061,696 km (0.12 R)
• M4: 1,485,208 km (0.051 R)
• M5: 2,215,245 km (0.083 R)
• M6: 2,720,437 km (0.052 R)
• M7: 3,641,362 km (0.101 R)
• M8: 4,117,233 km (0.082 R)
• M9: 4,662,367 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.6

Radius: 14.7

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.05 AU - 1.29 AU

Year: 874 Days

Day: 9.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,445,941 km

• M1: 188,942 km (0.079 R)
• M2: 757,713 km (0.068 R)
• M3: 1,342,641 km (0.108 R)
• M4: 1,824,645 km (0.098 R)
• M5: 2,320,861 km (0.117 R)
• M6: 2,790,000 km (0.071 R)
• M7: 3,323,167 km (0.114 R)
• M8: 3,999,050 km (0.116 R)
• M9: 4,664,611 km (0.106 R)
• M10: 5,609,322 km (0.118 R)
• M11: 6,446,023 km (0.106 R)
• M12: 7,273,299 km (0.118 R)
• M13: 7,927,341 km (0.064 R)
• M14: 8,544,282 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.8

Radius: 14.6

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.34 AU - 3.72 AU

Year: 3641 Days

Day: 13.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 126.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,445,941 km

• M1: 181,612 km (0.109 R)
• M2: 696,228 km (0.105 R)
• M3: 1,417,739 km (0.093 R)
• M4: 2,320,562 km (0.106 R)
• M5: 2,869,586 km (0.071 R)
• M6: 3,337,828 km (0.061 R)
• M7: 5,086,477 km (0.045 R)
• M8: 5,886,676 km (0.086 R)
• M9: 6,417,749 km (0.075 R)
• M10: 7,384,899 km (0.095 R)
• M11: 8,138,573 km (0.071 R)
• M12: 11,292,694 km (0.039 R)
• M13: 11,939,406 km (0.086 R)
• M14: 12,932,437 km (0.083 R)
• M15: 13,401,725 km (0.094 R)
• M16: 15,032,043 km (0.092 R)
• M17: 17,577,301 km (0.037 R)
• M18: 19,042,463 km (0.094 R)
• M19: 20,461,099 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.1

Radius: 14.8

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.58 AU - 5.3 AU

Year: 6458 Days

Day: 8.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,445,941 km

• M1: 184,305 km (0.058 R)
• M2: 732,431 km (0.077 R)
• M3: 1,242,111 km (0.03 R)
• M4: 1,728,753 km (0.079 R)
• M5: 2,198,341 km (0.084 R)
• M6: 2,754,396 km (0.119 R)
• M7: 4,031,363 km (0.108 R)
• M8: 4,958,421 km (0.025 R)
• M9: 5,580,449 km (0.104 R)
• M10: 6,982,032 km (0.114 R)
• M11: 9,420,627 km (0.114 R)
• M12: 13,815,663 km (0.068 R)
• M13: 15,235,047 km (0.104 R)
• M14: 16,619,575 km (0.056 R)
• M15: 17,476,322 km (0.115 R)
• M16: 22,051,923 km (0.094 R)
• M17: 22,764,906 km (0.1 R)
• M18: 26,652,357 km (0.077 R)
• M19: 27,370,875 km (0.108 R)
• M20: 28,566,013 km (0.116 R)
• M21: 30,472,338 km (0.059 R)
• M22: 33,697,070 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.3

Radius: 14.9

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.75 AU - 5.81 AU

Year: 8375 Days

Day: 9.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,445,941 km

• M1: 185,352 km (0.091 R)
• M2: 753,973 km (0.114 R)
• M3: 1,768,396 km (0.113 R)
• M4: 2,358,859 km (0.094 R)
• M5: 2,831,289 km (0.078 R)
• M6: 5,658,091 km (0.118 R)
• M7: 7,987,928 km (0.095 R)
• M8: 9,860,444 km (0.083 R)
• M9: 10,645,983 km (0.1 R)
• M10: 11,685,987 km (0.102 R)
• M11: 13,138,283 km (0.049 R)
• M12: 14,151,061 km (0.06 R)
• M13: 17,083,628 km (0.08 R)
• M14: 19,477,044 km (0.095 R)
• M15: 20,952,528 km (0.07 R)
• M16: 22,584,791 km (0.103 R)
• M17: 25,552,364 km (0.099 R)
• M18: 32,144,693 km (0.055 R)
• M19: 34,870,216 km (0.113 R)
• M20: 37,393,185 km (0.066 R)
• M21: 38,339,989 km (0.109 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: 193 - 18,257 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit