🌌 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: 823.9

Radius: 13.8

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.44 AU - 0.64 AU

Year: 274 Days

Day: 7 Hours

Environment

Temp: -143 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,392,526 km

• M1: 171,589 km (0.078 R)
• M2: 617,241 km (0.09 R)
• M3: 1,130,212 km (0.104 R)
• M4: 1,624,184 km (0.101 R)
• M5: 2,296,477 km (0.049 R)
• M6: 2,824,707 km (0.025 R)
• M7: 3,315,986 km (0.088 R)
• M8: 3,782,433 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.6

Radius: 12.5

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.69 AU - 0.89 AU

Year: 485 Days

Day: 13 Hours

Environment

Temp: -174 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,392,526 km

• M1: 155,582 km (0.089 R)
• M2: 586,872 km (0.113 R)
• M3: 1,043,744 km (0.117 R)
• M4: 1,503,309 km (0.098 R)
• M5: 1,929,513 km (0.12 R)
• M6: 2,461,483 km (0.111 R)
• M7: 3,052,545 km (0.119 R)
• M8: 3,714,814 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737

Radius: 9

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.21 AU - 1.31 AU

Year: 976 Days

Day: 14.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,392,526 km

• M1: 111,899 km (0.118 R)
• M2: 401,371 km (0.12 R)
• M3: 801,396 km (0.094 R)
• M4: 1,707,211 km (0.06 R)
• M5: 1,989,801 km (0.054 R)
• M6: 2,337,168 km (0.113 R)
• M7: 3,294,295 km (0.078 R)
• M8: 3,630,292 km (0.08 R)
• M9: 3,941,006 km (0.092 R)
• M10: 4,320,387 km (0.068 R)
• M11: 4,981,908 km (0.068 R)
• M12: 5,566,387 km (0.096 R)
• M13: 6,483,273 km (0.11 R)
• M14: 6,779,327 km (0.084 R)
• M15: 7,252,654 km (0.09 R)
• M16: 7,697,259 km (0.037 R)
• M17: 8,586,768 km (0.117 R)
• M18: 10,137,949 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462

Radius: 12.9

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.09 AU - 1.55 AU

Year: 1047 Days

Day: 6.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,392,526 km

• M1: 160,967 km (0.033 R)
• M2: 1,095,056 km (0.119 R)
• M3: 1,518,867 km (0.1 R)
• M4: 2,112,920 km (0.097 R)
• M5: 2,871,232 km (0.097 R)
• M6: 3,700,902 km (0.036 R)
• M7: 4,284,782 km (0.094 R)
• M8: 4,841,137 km (0.12 R)
• M9: 5,313,118 km (0.109 R)
• M10: 6,307,944 km (0.108 R)
• M11: 6,872,377 km (0.083 R)
• M12: 8,178,067 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 142.4

Radius: 4.5

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 7.17 AU - 9.19 AU

Year: 16149 Days

Day: 20.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,392,526 km

• M1: 56,099 km (0.052 R)
• M2: 562,488 km (0.073 R)
• M3: 912,697 km (0.098 R)
• M4: 1,322,894 km (0.039 R)
• M5: 2,081,355 km (0.115 R)
• M6: 2,610,333 km (0.114 R)
• M7: 3,009,909 km (0.045 R)
• M8: 4,591,607 km (0.059 R)
• M9: 5,142,277 km (0.068 R)
• M10: 6,373,767 km (0.066 R)
• M11: 7,592,391 km (0.085 R)
• M12: 10,383,139 km (0.108 R)
• M13: 11,225,525 km (0.102 R)
• M14: 11,637,218 km (0.1 R)
• M15: 13,557,756 km (0.06 R)
• M16: 15,489,513 km (0.083 R)
• M17: 16,064,268 km (0.055 R)
• M18: 18,082,643 km (0.052 R)
• M19: 20,873,989 km (0.087 R)
• M20: 23,436,900 km (0.105 R)
• M21: 30,944,918 km (0.113 R)
• M22: 35,675,951 km (0.062 R)

Asteroid Belt

Center: 8.74 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.9

Radius: 6.5

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 7.1 AU - 11.5 AU

Year: 19577 Days

Day: 19.1 Hours

Environment

Temp: -243 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,392,526 km

• M1: 83,625 km (0.114 R)
• M2: 370,704 km (0.113 R)
• M3: 1,133,503 km (0.089 R)
• M4: 1,555,668 km (0.077 R)
• M5: 2,132,368 km (0.077 R)
• M6: 2,646,386 km (0.079 R)
• M7: 3,413,973 km (0.049 R)
• M8: 3,863,066 km (0.056 R)
• M9: 4,087,762 km (0.105 R)
• M10: 4,846,672 km (0.099 R)
• M11: 5,108,318 km (0.092 R)
• M12: 6,174,802 km (0.056 R)
• M13: 7,339,720 km (0.061 R)
• M14: 10,044,001 km (0.086 R)
• M15: 10,416,350 km (0.061 R)
• M16: 13,928,759 km (0.059 R)
• M17: 19,193,407 km (0.062 R)
• M18: 19,437,850 km (0.103 R)
• M19: 26,142,976 km (0.098 R)
• M20: 28,822,872 km (0.096 R)
• M21: 29,358,433 km (0.092 R)
• M22: 32,021,873 km (0.105 R)
• M23: 34,842,092 km (0.055 R)
• M24: 36,064,456 km (0.052 R)
• M25: 37,188,834 km (0.071 R)
• M26: 39,639,097 km (0.076 R)
• M27: 47,930,111 km (0.084 R)
• M28: 50,208,337 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455.9

Radius: 7.5

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 9.34 AU - 11.22 AU

Year: 22751 Days

Day: 20.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,392,526 km

• M1: 94,845 km (0.073 R)
• M2: 423,960 km (0.075 R)
• M3: 689,197 km (0.093 R)
• M4: 1,484,908 km (0.041 R)
• M5: 2,045,302 km (0.073 R)
• M6: 2,484,671 km (0.084 R)
• M7: 2,738,987 km (0.098 R)
• M8: 3,696,414 km (0.079 R)
• M9: 4,825,279 km (0.062 R)
• M10: 6,507,358 km (0.114 R)
• M11: 8,495,513 km (0.074 R)
• M12: 9,239,613 km (0.087 R)
• M13: 10,084,243 km (0.089 R)
• M14: 11,289,104 km (0.095 R)
• M15: 12,187,739 km (0.119 R)
• M16: 14,567,691 km (0.057 R)
• M17: 16,503,787 km (0.115 R)
• M18: 22,526,896 km (0.09 R)
• M19: 24,259,688 km (0.053 R)
• M20: 25,105,066 km (0.092 R)
• M21: 25,427,150 km (0.064 R)
• M22: 25,751,927 km (0.093 R)
• M23: 27,191,358 km (0.078 R)
• M24: 33,228,978 km (0.055 R)
• M25: 39,665,726 km (0.079 R)
• M26: 41,134,927 km (0.095 R)
• M27: 45,759,595 km (0.089 R)
• M28: 48,362,299 km (0.054 R)
• M29: 49,195,409 km (0.085 R)
• M30: 50,548,373 km (0.086 R)
• M31: 52,623,893 km (0.118 R)
• M32: 53,860,619 km (0.074 R)
• M33: 55,478,969 km (0.107 R)
• M34: 56,208,408 km (0.117 R)
• M35: 56,944,429 km (0.118 R)
• M36: 58,435,471 km (0.093 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 16,567 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit