🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.5

Radius: 14.1

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.69 AU - 1.13 AU

Year: 599 Days

Day: 14.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,017,490 km

• M1: 175,329 km (0.069 R)
• M2: 615,894 km (0.09 R)
• M3: 1,076,805 km (0.099 R)
• M4: 1,535,921 km (0.033 R)
• M5: 2,021,815 km (0.105 R)
• M6: 2,700,391 km (0.113 R)
• M7: 3,675,021 km (0.11 R)
• M8: 4,115,138 km (0.066 R)
• M9: 4,767,385 km (0.119 R)
• M10: 5,520,909 km (0.091 R)
• M11: 5,961,475 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.7

Radius: 11.6

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.8 AU - 1.16 AU

Year: 670 Days

Day: 9.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,017,490 km

• M1: 146,008 km (0.072 R)
• M2: 518,656 km (0.054 R)
• M3: 886,667 km (0.057 R)
• M4: 1,397,244 km (0.081 R)
• M5: 1,997,431 km (0.11 R)
• M6: 2,379,504 km (0.055 R)
• M7: 3,139,461 km (0.081 R)
• M8: 3,731,569 km (0.05 R)
• M9: 4,100,328 km (0.044 R)
• M10: 4,575,301 km (0.116 R)
• M11: 5,356,501 km (0.089 R)
• M12: 6,555,079 km (0.049 R)
• M13: 6,962,883 km (0.044 R)
• M14: 7,341,964 km (0.078 R)
• M15: 7,996,605 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.5

Radius: 10

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.81 AU - 4.01 AU

Year: 4347 Days

Day: 14.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,017,490 km

• M1: 126,410 km (0.096 R)
• M2: 519,254 km (0.107 R)
• M3: 1,147,565 km (0.085 R)
• M4: 1,570,030 km (0.087 R)
• M5: 2,617,364 km (0.114 R)
• M6: 3,136,319 km (0.066 R)
• M7: 5,749,944 km (0.048 R)
• M8: 6,460,982 km (0.044 R)
• M9: 8,309,713 km (0.107 R)
• M10: 9,494,229 km (0.087 R)
• M11: 10,855,569 km (0.084 R)
• M12: 11,618,519 km (0.114 R)
• M13: 12,268,970 km (0.064 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143.2

Radius: 3.1

Gravity: 14.9 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 6.53 AU - 8.39 AU

Year: 14064 Days

Day: 20.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,017,490 km

• M1: 38,596 km (0.083 R)
• M2: 233,073 km (0.101 R)
• M3: 495,618 km (0.074 R)
• M4: 873,053 km (0.063 R)
• M5: 1,153,549 km (0.113 R)
• M6: 1,621,043 km (0.085 R)
• M7: 1,787,545 km (0.095 R)
• M8: 2,321,609 km (0.079 R)
• M9: 2,569,792 km (0.037 R)
• M10: 2,757,687 km (0.054 R)
• M11: 3,742,191 km (0.119 R)
• M12: 3,958,958 km (0.107 R)
• M13: 4,338,937 km (0.093 R)
• M14: 6,236,286 km (0.094 R)
• M15: 7,782,380 km (0.114 R)
• M16: 8,016,501 km (0.082 R)
• M17: 10,481,724 km (0.089 R)
• M18: 13,576,156 km (0.073 R)
• M19: 20,141,857 km (0.088 R)
• M20: 30,913,502 km (0.115 R)
• M21: 31,108,279 km (0.102 R)
• M22: 32,494,901 km (0.103 R)
• M23: 33,305,423 km (0.066 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.8

Radius: 5.9

Gravity: 17.46 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 9.4 AU - 9.7 AU

Year: 20371 Days

Day: 19.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 74,017,490 km

• M1: 73,602 km (0.108 R)
• M2: 276,307 km (0.092 R)
• M3: 469,737 km (0.102 R)
• M4: 748,438 km (0.074 R)
• M5: 1,057,657 km (0.092 R)
• M6: 1,433,896 km (0.086 R)
• M7: 3,466,183 km (0.117 R)
• M8: 3,669,037 km (0.097 R)
• M9: 4,098,832 km (0.097 R)
• M10: 4,700,066 km (0.088 R)
• M11: 5,207,053 km (0.092 R)
• M12: 5,830,278 km (0.099 R)
• M13: 6,244,215 km (0.052 R)
• M14: 7,898,468 km (0.088 R)
• M15: 8,772,868 km (0.065 R)
• M16: 9,205,954 km (0.065 R)
• M17: 9,427,807 km (0.051 R)
• M18: 11,460,094 km (0.094 R)
• M19: 13,339,343 km (0.086 R)
• M20: 13,767,342 km (0.109 R)
• M21: 14,130,865 km (0.087 R)
• M22: 15,492,804 km (0.046 R)
• M23: 16,366,905 km (0.051 R)
• M24: 17,867,371 km (0.055 R)
• M25: 18,212,942 km (0.052 R)
• M26: 19,731,211 km (0.076 R)
• M27: 21,428,848 km (0.099 R)
• M28: 23,529,501 km (0.05 R)
• M29: 26,094,057 km (0.041 R)
• M30: 28,251,857 km (0.098 R)
• M31: 28,720,846 km (0.079 R)
• M32: 34,493,230 km (0.108 R)
• M33: 37,932,784 km (0.076 R)
• M34: 42,048,820 km (0.085 R)
• M35: 54,700,611 km (0.061 R)
• M36: 55,611,961 km (0.112 R)
• M37: 57,652,775 km (0.089 R)
• M38: 59,550,873 km (0.11 R)
• M39: 59,742,957 km (0.082 R)
• M40: 61,883,104 km (0.05 R)
• M41: 62,277,594 km (0.117 R)
• M42: 69,456,197 km (0.11 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 18,435 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit