🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.73 AU - 1.11 AU

Year: 326 Days

Day: 21.6 Hours

Environment

Temp: 39 °C

Axial Tilt: 22.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.98 AU - 1.08 AU

Year: 386 Days

Day: 19 Hours

Environment

Temp: 9 °C

Axial Tilt: 28.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 61,720,408 km

• M1: 328,667 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.26 AU - 1.32 AU

Year: 541 Days

Day: 18.1 Hours

Environment

Temp: -5 °C

Axial Tilt: 47.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 61,720,408 km

• M1: 54,005 km (0.107 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.37 AU - 2.53 AU

Year: 1415 Days

Day: 12.9 Hours

Environment

Temp: -89 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,720,408 km

• M1: 392,246 km (0.048 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.26 AU - 2.74 AU

Year: 1458 Days

Day: 34 Hours

Environment

Temp: -85 °C

Axial Tilt: 28.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.32 AU - 3.58 AU

Year: 2364 Days

Day: 35.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.5

Radius: 11.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.45 AU - 8.93 AU

Year: 8648 Days

Day: 13.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 61,720,408 km

• M1: 159,621 km (0.096 R)
• M2: 241,451 km (0.092 R)
• M3: 1,367,325 km (0.112 R)
• M4: 1,741,918 km (0.109 R)
• M5: 2,051,884 km (0.11 R)
• M6: 2,706,824 km (0.106 R)
• M7: 3,733,963 km (0.084 R)
• M8: 3,952,825 km (0.084 R)
• M9: 4,114,839 km (0.116 R)
• M10: 5,000,758 km (0.104 R)
• M11: 5,154,095 km (0.116 R)
• M12: 5,760,266 km (0.095 R)
• M13: 6,200,383 km (0.057 R)
• M14: 6,412,812 km (0.092 R)
• M15: 7,064,311 km (0.114 R)
• M16: 7,485,429 km (0.105 R)
• M17: 8,326,169 km (0.042 R)
• M18: 8,823,881 km (0.096 R)
• M19: 9,250,534 km (0.082 R)
• M20: 9,412,249 km (0.081 R)
• M21: 9,574,862 km (0.116 R)
• M22: 9,683,919 km (0.11 R)
• M23: 9,875,554 km (0.109 R)
• M24: 10,096,211 km (0.1 R)
• M25: 10,374,313 km (0.062 R)
• M26: 12,510,122 km (0.096 R)
• M27: 12,599,581 km (0.073 R)
• M28: 12,719,110 km (0.026 R)
• M29: 12,869,007 km (0.104 R)
• M30: 13,292,070 km (0.04 R)
• M31: 13,966,008 km (0.095 R)
• M32: 14,557,070 km (0.067 R)
• M33: 15,092,929 km (0.115 R)
• M34: 15,411,124 km (0.114 R)
• M35: 15,539,030 km (0.116 R)
• M36: 15,892,530 km (0.095 R)
• M37: 16,183,797 km (0.084 R)
• M38: 16,346,410 km (0.114 R)
• M39: 17,366,518 km (0.046 R)
• M40: 17,533,020 km (0.096 R)
• M41: 18,610,873 km (0.084 R)
• M42: 19,883,951 km (0.086 R)
• M43: 20,162,951 km (0.115 R)
• M44: 20,443,147 km (0.108 R)
• M45: 20,618,925 km (0.118 R)
• M46: 20,972,125 km (0.101 R)
• M47: 21,291,667 km (0.112 R)
• M48: 21,791,922 km (0.105 R)
• M49: 23,023,112 km (0.118 R)
• M50: 23,499,731 km (0.093 R)
• M51: 23,831,689 km (0.12 R)
• M52: 23,942,690 km (0.081 R)
• M53: 24,500,092 km (0.09 R)
• M54: 24,574,891 km (0.078 R)
• M55: 25,174,928 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 574.5

Radius: 4.7

Gravity: 26.01 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 11.51 AU - 13.13 AU

Year: 15955 Days

Day: 18 Hours

Environment

Temp: -179 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 61,720,408 km

• M1: 68,516 km (0.112 R)
• M2: 129,552 km (0.083 R)
• M3: 246,088 km (0.084 R)
• M4: 302,188 km (0.109 R)
• M5: 394,938 km (0.097 R)
• M6: 428,149 km (0.091 R)
• M7: 479,611 km (0.116 R)
• M8: 515,215 km (0.12 R)
• M9: 686,804 km (0.096 R)
• M10: 942,167 km (0.07 R)
• M11: 1,350,420 km (0.058 R)
• M12: 2,369,630 km (0.065 R)
• M13: 2,400,747 km (0.077 R)
• M14: 2,621,703 km (0.1 R)
• M15: 3,288,460 km (0.082 R)
• M16: 3,533,801 km (0.111 R)
• M17: 3,748,623 km (0.118 R)
• M18: 4,418,672 km (0.061 R)
• M19: 4,650,250 km (0.091 R)
• M20: 5,656,595 km (0.115 R)
• M21: 5,823,696 km (0.08 R)
• M22: 6,248,553 km (0.074 R)
• M23: 6,551,938 km (0.074 R)
• M24: 7,905,350 km (0.092 R)
• M25: 7,998,549 km (0.077 R)
• M26: 8,045,373 km (0.114 R)
• M27: 8,233,268 km (0.059 R)
• M28: 8,375,087 km (0.057 R)
• M29: 8,661,418 km (0.108 R)
• M30: 8,757,459 km (0.078 R)
• M31: 9,047,978 km (0.109 R)
• M32: 10,241,321 km (0.092 R)
• M33: 10,804,557 km (0.111 R)
• M34: 11,325,307 km (0.092 R)
• M35: 11,694,664 km (0.118 R)
• M36: 12,662,562 km (0.084 R)
• M37: 13,045,832 km (0.073 R)
• M38: 13,321,990 km (0.07 R)
• M39: 14,275,227 km (0.11 R)
• M40: 14,331,925 km (0.103 R)
• M41: 14,559,613 km (0.081 R)
• M42: 16,246,478 km (0.049 R)
• M43: 16,662,809 km (0.102 R)
• M44: 16,842,327 km (0.048 R)
• M45: 17,627,566 km (0.091 R)
• M46: 17,871,560 km (0.037 R)
• M47: 17,932,746 km (0.111 R)
• M48: 18,178,086 km (0.094 R)
• M49: 19,737,045 km (0.087 R)
• M50: 20,372,388 km (0.092 R)
• M51: 21,468,042 km (0.116 R)
• M52: 21,533,118 km (0.111 R)
• M53: 21,663,268 km (0.115 R)
• M54: 22,516,574 km (0.079 R)
• M55: 23,581,561 km (0.096 R)
• M56: 24,255,649 km (0.11 R)
• M57: 24,594,937 km (0.083 R)
• M58: 24,867,654 km (0.094 R)
• M59: 25,004,237 km (0.118 R)
• M60: 26,384,876 km (0.062 R)
• M61: 26,454,588 km (0.055 R)
• M62: 26,594,163 km (0.111 R)
• M63: 27,014,234 km (0.092 R)
• M64: 27,295,478 km (0.087 R)
• M65: 27,719,139 km (0.061 R)
• M66: 28,216,253 km (0.107 R)
• M67: 29,435,775 km (0.074 R)
• M68: 29,725,247 km (0.026 R)
• M69: 30,015,616 km (0.12 R)
• M70: 30,745,654 km (0.112 R)
• M71: 30,892,259 km (0.111 R)
• M72: 32,223,232 km (0.114 R)
• M73: 32,297,731 km (0.104 R)
• M74: 34,102,331 km (0.069 R)
• M75: 36,016,884 km (0.075 R)
• M76: 37,495,061 km (0.045 R)
• M77: 38,123,372 km (0.054 R)
• M78: 38,202,060 km (0.112 R)
• M79: 38,438,724 km (0.045 R)
• M80: 38,675,986 km (0.033 R)
• M81: 42,128,256 km (0.081 R)
• M82: 43,602,394 km (0.063 R)
• M83: 44,428,623 km (0.09 R)
• M84: 46,516,710 km (0.052 R)
• M85: 49,579,278 km (0.109 R)
• M86: 50,095,989 km (0.078 R)
• M87: 51,308,629 km (0.043 R)
• M88: 53,409,881 km (0.103 R)
• M89: 54,382,267 km (0.103 R)
• M90: 56,254,933 km (0.107 R)
• M91: 56,524,209 km (0.106 R)
• M92: 56,793,784 km (0.119 R)
• M93: 59,422,668 km (0.12 R)
• M94: 59,696,731 km (0.112 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 16,369 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit