🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.8

Radius: 9.8

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.44 AU - 0.62 AU

Year: 266 Days

Day: 8.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 74,711,084 km

• M1: 122,371 km (0.084 R)
• M2: 476,918 km (0.045 R)
• M3: 844,181 km (0.112 R)
• M4: 1,610,122 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.4

Radius: 8.9

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.5 AU - 0.74 AU

Year: 337 Days

Day: 8.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 174.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,711,084 km

• M1: 110,702 km (0.095 R)
• M2: 436,078 km (0.078 R)
• M3: 783,145 km (0.06 R)
• M4: 1,381,387 km (0.097 R)
• M5: 1,799,812 km (0.082 R)
• M6: 2,309,791 km (0.115 R)
• M7: 3,198,253 km (0.111 R)
• M8: 3,690,280 km (0.1 R)
• M9: 4,140,271 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.4

Radius: 10.3

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.68 AU - 1.92 AU

Year: 1667 Days

Day: 6 Hours

Environment

Temp: -202 °C

Axial Tilt: 106.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,711,084 km

• M1: 128,056 km (0.053 R)
• M2: 452,384 km (0.114 R)
• M3: 901,028 km (0.115 R)
• M4: 1,461,721 km (0.049 R)
• M5: 1,893,311 km (0.093 R)
• M6: 2,231,551 km (0.067 R)
• M7: 2,638,009 km (0.093 R)
• M8: 4,338,488 km (0.098 R)
• M9: 5,351,714 km (0.105 R)
• M10: 5,793,926 km (0.097 R)
• M11: 6,593,975 km (0.115 R)
• M12: 6,993,551 km (0.051 R)
• M13: 8,505,537 km (0.06 R)
• M14: 9,305,436 km (0.1 R)
• M15: 10,189,709 km (0.071 R)
• M16: 11,241,083 km (0.114 R)
• M17: 11,735,205 km (0.118 R)
• M18: 12,125,057 km (0.043 R)
• M19: 13,054,808 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.5

Radius: 13.3

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.91 AU - 2.43 AU

Year: 2206 Days

Day: 10.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,711,084 km

• M1: 165,455 km (0.056 R)
• M2: 732,581 km (0.045 R)
• M3: 1,179,280 km (0.113 R)
• M4: 1,792,033 km (0.105 R)
• M5: 3,434,318 km (0.071 R)
• M6: 4,703,207 km (0.083 R)
• M7: 5,158,135 km (0.114 R)
• M8: 6,104,491 km (0.097 R)
• M9: 7,163,344 km (0.072 R)
• M10: 8,211,427 km (0.063 R)
• M11: 8,638,230 km (0.086 R)
• M12: 9,079,992 km (0.096 R)
• M13: 9,501,110 km (0.064 R)
• M14: 9,935,243 km (0.113 R)
• M15: 11,079,069 km (0.085 R)
• M16: 11,765,125 km (0.118 R)
• M17: 13,133,496 km (0.095 R)
• M18: 15,038,625 km (0.088 R)
• M19: 18,427,017 km (0.063 R)
• M20: 19,103,947 km (0.029 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.3

Radius: 13.9

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.47 AU - 2.49 AU

Year: 2696 Days

Day: 14.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,711,084 km

• M1: 173,085 km (0.075 R)
• M2: 636,539 km (0.115 R)
• M3: 1,684,472 km (0.037 R)
• M4: 2,341,805 km (0.103 R)
• M5: 3,084,110 km (0.071 R)
• M6: 3,843,917 km (0.107 R)
• M7: 4,769,928 km (0.116 R)
• M8: 5,967,908 km (0.068 R)
• M9: 6,445,424 km (0.095 R)
• M10: 7,876,777 km (0.027 R)
• M11: 8,852,155 km (0.092 R)
• M12: 9,943,322 km (0.119 R)
• M13: 10,388,974 km (0.105 R)
• M14: 10,848,090 km (0.083 R)
• M15: 11,521,729 km (0.1 R)
• M16: 14,928,671 km (0.097 R)
• M17: 17,363,675 km (0.115 R)
• M18: 17,848,073 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.9

Radius: 8.4

Gravity: 12.85 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.28 AU - 3.14 AU

Year: 3079 Days

Day: 13.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,711,084 km

• M1: 104,419 km (0.098 R)
• M2: 384,018 km (0.102 R)
• M3: 769,232 km (0.082 R)
• M4: 1,800,111 km (0.047 R)
• M5: 2,140,147 km (0.038 R)
• M6: 2,522,669 km (0.064 R)
• M7: 3,145,594 km (0.038 R)
• M8: 3,425,941 km (0.117 R)
• M9: 4,167,647 km (0.063 R)
• M10: 4,460,410 km (0.094 R)
• M11: 5,240,413 km (0.103 R)
• M12: 5,528,539 km (0.083 R)
• M13: 6,023,109 km (0.076 R)
• M14: 6,636,910 km (0.097 R)
• M15: 7,100,364 km (0.104 R)
• M16: 7,618,421 km (0.071 R)
• M17: 9,211,040 km (0.079 R)
• M18: 9,554,367 km (0.068 R)
• M19: 9,827,383 km (0.115 R)
• M20: 12,851,205 km (0.067 R)
• M21: 15,251,204 km (0.106 R)
• M22: 16,113,486 km (0.101 R)
• M23: 16,444,995 km (0.057 R)
• M24: 20,207,232 km (0.041 R)
• M25: 21,246,787 km (0.106 R)
• M26: 21,578,894 km (0.039 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 696.4

Radius: 6.1

Gravity: 18.72 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.5 AU - 8.32 AU

Year: 12538 Days

Day: 23.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,711,084 km

• M1: 219,759 km (0.069 R)
• M2: 616,642 km (0.054 R)
• M3: 859,290 km (0.051 R)
• M4: 2,558,572 km (0.057 R)
• M5: 3,098,621 km (0.105 R)
• M6: 4,104,816 km (0.117 R)
• M7: 4,433,034 km (0.085 R)
• M8: 6,539,970 km (0.119 R)
• M9: 8,360,726 km (0.045 R)
• M10: 9,695,139 km (0.113 R)
• M11: 10,116,406 km (0.079 R)
• M12: 11,337,723 km (0.064 R)
• M13: 18,222,217 km (0.047 R)
• M14: 20,022,029 km (0.108 R)
• M15: 23,970,815 km (0.083 R)
• M16: 26,026,140 km (0.065 R)
• M17: 39,529,741 km (0.108 R)
• M18: 49,900,614 km (0.108 R)
• M19: 55,206,102 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 510

Radius: 6.3

Gravity: 12.85 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 10.01 AU - 10.43 AU

Year: 22552 Days

Day: 20 Hours

Environment

Temp: -236 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,711,084 km

• M1: 78,389 km (0.052 R)
• M2: 769,531 km (0.094 R)
• M3: 1,175,839 km (0.109 R)
• M4: 1,531,134 km (0.114 R)
• M5: 3,011,704 km (0.08 R)
• M6: 3,417,264 km (0.094 R)
• M7: 3,648,243 km (0.034 R)
• M8: 5,184,613 km (0.102 R)
• M9: 8,858,887 km (0.118 R)
• M10: 9,519,810 km (0.057 R)
• M11: 12,093,342 km (0.056 R)
• M12: 14,119,197 km (0.1 R)
• M13: 14,943,481 km (0.104 R)
• M14: 18,474,739 km (0.083 R)
• M15: 19,642,799 km (0.104 R)
• M16: 20,012,006 km (0.116 R)
• M17: 21,437,524 km (0.085 R)
• M18: 22,125,525 km (0.099 R)
• M19: 23,857,270 km (0.063 R)
• M20: 27,703,431 km (0.059 R)
• M21: 31,564,104 km (0.117 R)
• M22: 32,582,416 km (0.107 R)
• M23: 42,291,318 km (0.092 R)
• M24: 43,372,312 km (0.08 R)
• M25: 44,155,607 km (0.087 R)
• M26: 48,717,594 km (0.07 R)
• M27: 71,185,698 km (0.108 R)
• M28: 72,275,219 km (0.084 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 552 - 11,261 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit