🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.8

Radius: 14.4

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.56 AU - 0.72 AU

Year: 347 Days

Day: 12.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 32,066,662 km

• M1: 179,069 km (0.112 R)
• M2: 642,672 km (0.105 R)
• M3: 1,157,588 km (0.106 R)
• M4: 1,923,230 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.1

Radius: 8.2

Gravity: 12.76 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.98 AU - 3.82 AU

Year: 4252 Days

Day: 12.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 32,066,662 km

• M1: 102,774 km (0.06 R)
• M2: 747,989 km (0.084 R)
• M3: 1,186,910 km (0.051 R)
• M4: 2,862,705 km (0.104 R)
• M5: 5,782,855 km (0.063 R)
• M6: 6,266,206 km (0.095 R)
• M7: 7,592,391 km (0.105 R)
• M8: 8,024,430 km (0.115 R)
• M9: 9,542,699 km (0.071 R)
• M10: 10,744,717 km (0.07 R)
• M11: 11,569,002 km (0.082 R)
• M12: 12,287,371 km (0.108 R)
• M13: 13,137,236 km (0.066 R)
• M14: 18,816,121 km (0.056 R)
• M15: 19,077,468 km (0.116 R)
• M16: 20,284,125 km (0.098 R)
• M17: 20,976,015 km (0.098 R)
• M18: 21,469,688 km (0.082 R)
• M19: 24,908,345 km (0.09 R)
• M20: 25,862,330 km (0.116 R)
• M21: 27,506,112 km (0.119 R)
• M22: 28,439,303 km (0.085 R)
• M23: 29,131,044 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.7

Radius: 10.3

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.13 AU - 3.73 AU

Year: 4309 Days

Day: 5.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,066,662 km

• M1: 128,056 km (0.057 R)
• M2: 482,304 km (0.083 R)
• M3: 964,757 km (0.108 R)
• M4: 1,784,703 km (0.098 R)
• M5: 2,184,578 km (0.12 R)
• M6: 2,576,973 km (0.075 R)
• M7: 3,956,864 km (0.039 R)
• M8: 4,744,347 km (0.106 R)
• M9: 6,502,271 km (0.102 R)
• M10: 7,597,477 km (0.078 R)
• M11: 8,061,231 km (0.059 R)
• M12: 9,444,712 km (0.054 R)
• M13: 10,538,123 km (0.054 R)
• M14: 10,891,024 km (0.091 R)
• M15: 12,092,594 km (0.112 R)
• M16: 12,725,692 km (0.057 R)
• M17: 13,329,469 km (0.104 R)
• M18: 17,361,132 km (0.11 R)
• M19: 19,389,081 km (0.1 R)
• M20: 20,460,202 km (0.086 R)
• M21: 21,219,112 km (0.043 R)
• M22: 23,309,891 km (0.107 R)
• M23: 25,219,508 km (0.107 R)
• M24: 26,011,928 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.1

Radius: 12.5

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.55 AU - 5.53 AU

Year: 6561 Days

Day: 7.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,066,662 km

• M1: 155,432 km (0.094 R)
• M2: 601,234 km (0.098 R)
• M3: 1,032,973 km (0.094 R)
• M4: 1,996,384 km (0.083 R)
• M5: 3,223,385 km (0.102 R)
• M6: 4,675,083 km (0.116 R)
• M7: 6,181,234 km (0.117 R)
• M8: 7,517,143 km (0.098 R)
• M9: 8,398,125 km (0.08 R)
• M10: 11,252,602 km (0.114 R)
• M11: 12,405,104 km (0.102 R)
• M12: 13,178,525 km (0.107 R)
• M13: 15,756,396 km (0.093 R)
• M14: 16,205,788 km (0.101 R)
• M15: 19,302,164 km (0.105 R)
• M16: 25,393,640 km (0.066 R)
• M17: 28,491,812 km (0.082 R)
• M18: 30,925,021 km (0.054 R)
• M19: 33,493,617 km (0.118 R)
• M20: 34,559,801 km (0.045 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.1

Radius: 6.6

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 5.97 AU - 7.99 AU

Year: 12508 Days

Day: 18.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,066,662 km

• M1: 82,129 km (0.106 R)
• M2: 436,826 km (0.037 R)
• M3: 769,232 km (0.093 R)
• M4: 1,044,193 km (0.095 R)
• M5: 1,650,214 km (0.089 R)
• M6: 1,865,037 km (0.057 R)
• M7: 2,318,917 km (0.104 R)
• M8: 3,318,679 km (0.113 R)
• M9: 3,641,511 km (0.04 R)
• M10: 4,056,197 km (0.034 R)
• M11: 4,710,388 km (0.037 R)
• M12: 4,925,211 km (0.057 R)
• M13: 6,162,684 km (0.072 R)
• M14: 6,485,516 km (0.118 R)
• M15: 8,079,781 km (0.097 R)
• M16: 11,921,006 km (0.078 R)
• M17: 12,270,765 km (0.075 R)
• M18: 16,458,159 km (0.108 R)
• M19: 20,999,053 km (0.077 R)
• M20: 24,503,982 km (0.12 R)
• M21: 25,069,462 km (0.12 R)
• M22: 27,940,095 km (0.068 R)
• M23: 28,824,518 km (0.092 R)
• M24: 31,494,391 km (0.1 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 200 - 19,021 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit