🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892

Radius: 15

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.61 AU - 0.99 AU

Year: 477 Days

Day: 10.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,954,004 km

• M1: 186,698 km (0.073 R)
• M2: 965,056 km (0.102 R)
• M3: 2,174,555 km (0.07 R)
• M4: 2,750,207 km (0.065 R)
• M5: 3,317,183 km (0.067 R)
• M6: 3,826,564 km (0.053 R)
• M7: 5,218,423 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.6

Radius: 11.2

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.95 AU - 1.37 AU

Year: 833 Days

Day: 12.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,954,004 km

• M1: 139,276 km (0.081 R)
• M2: 522,246 km (0.106 R)
• M3: 913,594 km (0.101 R)
• M4: 1,735,036 km (0.054 R)
• M5: 2,439,941 km (0.094 R)
• M6: 3,326,907 km (0.084 R)
• M7: 3,999,200 km (0.047 R)
• M8: 4,543,287 km (0.118 R)
• M9: 4,953,185 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.1

Radius: 8.1

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.11 AU - 1.47 AU

Year: 977 Days

Day: 12.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,954,004 km

• M1: 101,427 km (0.073 R)
• M2: 412,292 km (0.116 R)
• M3: 712,385 km (0.104 R)
• M4: 1,149,211 km (0.107 R)
• M5: 1,505,852 km (0.061 R)
• M6: 2,372,622 km (0.114 R)
• M7: 3,064,512 km (0.093 R)
• M8: 5,970,601 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.8

Radius: 12.8

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.19 AU - 5.05 AU

Year: 5577 Days

Day: 9.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,954,004 km

• M1: 159,322 km (0.038 R)
• M2: 1,377,198 km (0.081 R)
• M3: 2,245,464 km (0.066 R)
• M4: 5,382,232 km (0.102 R)
• M5: 6,090,877 km (0.115 R)
• M6: 7,339,421 km (0.104 R)
• M7: 8,751,924 km (0.026 R)
• M8: 9,817,959 km (0.108 R)
• M9: 15,362,056 km (0.079 R)
• M10: 22,552,926 km (0.094 R)
• M11: 23,614,323 km (0.041 R)
• M12: 25,027,425 km (0.104 R)
• M13: 26,579,652 km (0.071 R)
• M14: 30,146,215 km (0.044 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561

Radius: 5.5

Gravity: 18.55 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 8.19 AU - 11.99 AU

Year: 21373 Days

Day: 15.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,954,004 km

• M1: 68,965 km (0.119 R)
• M2: 243,246 km (0.106 R)
• M3: 433,684 km (0.098 R)
• M4: 766,839 km (0.111 R)
• M5: 1,202,318 km (0.071 R)
• M6: 1,700,329 km (0.1 R)
• M7: 2,116,062 km (0.078 R)
• M8: 2,764,419 km (0.108 R)
• M9: 4,020,293 km (0.103 R)
• M10: 6,752,848 km (0.116 R)
• M11: 7,025,116 km (0.065 R)
• M12: 9,814,368 km (0.097 R)
• M13: 10,581,955 km (0.106 R)
• M14: 12,572,504 km (0.075 R)
• M15: 13,335,005 km (0.074 R)
• M16: 17,530,327 km (0.093 R)
• M17: 17,786,289 km (0.067 R)
• M18: 19,465,525 km (0.069 R)
• M19: 19,832,190 km (0.047 R)
• M20: 21,441,564 km (0.112 R)
• M21: 30,808,485 km (0.073 R)
• M22: 31,306,197 km (0.091 R)
• M23: 38,131,600 km (0.099 R)
• M24: 40,165,084 km (0.064 R)
• M25: 40,908,585 km (0.047 R)
• M26: 47,025,043 km (0.114 R)
• M27: 48,686,178 km (0.08 R)
• M28: 50,214,171 km (0.095 R)
• M29: 50,730,583 km (0.052 R)
• M30: 51,076,752 km (0.073 R)
• M31: 53,009,108 km (0.114 R)
• M32: 53,544,519 km (0.091 R)
• M33: 58,906,854 km (0.097 R)
• M34: 59,866,076 km (0.091 R)
• M35: 63,606,471 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.6

Radius: 5.5

Gravity: 18.17 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 8.15 AU - 12.59 AU

Year: 22269 Days

Day: 22 Hours

Environment

Temp: -228 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,954,004 km

• M1: 68,815 km (0.118 R)
• M2: 441,164 km (0.108 R)
• M3: 1,078,601 km (0.1 R)
• M4: 2,264,164 km (0.047 R)
• M5: 2,508,756 km (0.108 R)
• M6: 2,998,689 km (0.109 R)
• M7: 4,265,334 km (0.102 R)
• M8: 8,779,450 km (0.077 R)
• M9: 11,494,352 km (0.099 R)
• M10: 12,017,646 km (0.082 R)
• M11: 16,133,981 km (0.097 R)
• M12: 17,892,803 km (0.066 R)
• M13: 19,043,360 km (0.096 R)
• M14: 19,407,033 km (0.117 R)
• M15: 21,490,931 km (0.11 R)
• M16: 26,433,196 km (0.069 R)
• M17: 28,986,682 km (0.107 R)
• M18: 29,347,213 km (0.08 R)
• M19: 39,360,546 km (0.104 R)
• M20: 48,335,820 km (0.101 R)
• M21: 59,933,694 km (0.11 R)
• M22: 68,261,658 km (0.082 R)
• M23: 70,187,431 km (0.103 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 11,990 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit