🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.39 AU - 0.63 AU

Year: 128 Days

Day: 36.3 Hours

Environment

Temp: 194 °C

Axial Tilt: 92.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.47 AU - 0.61 AU

Year: 139 Days

Day: 29.3 Hours

Environment

Temp: 190 °C

Axial Tilt: 36.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.99 AU - 1.02 AU

Year: 351 Days

Day: 20.8 Hours

Environment

Temp: 119 °C

Axial Tilt: 27.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.3 AU - 1.68 AU

Year: 639 Days

Day: 38.5 Hours

Environment

Temp: -5 °C

Axial Tilt: 39.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 36,738,083 km

• M1: 291,566 km (0.113 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.81 AU - 2.63 AU

Year: 1163 Days

Day: 41.6 Hours

Environment

Temp: -70 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,738,083 km

• M1: 110,403 km (0.034 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.98 AU - 4.16 AU

Year: 2371 Days

Day: 22.9 Hours

Environment

Temp: -107 °C

Axial Tilt: 13.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.65 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.1

Radius: 10.6

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.15 AU - 6.31 AU

Year: 4821 Days

Day: 12.1 Hours

Environment

Temp: -129 °C

Axial Tilt: 156.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 36,738,083 km

• M1: 132,993 km (0.055 R)
• M2: 220,806 km (0.074 R)
• M3: 323,431 km (0.079 R)
• M4: 432,338 km (0.089 R)
• M5: 687,253 km (0.118 R)
• M6: 927,357 km (0.112 R)
• M7: 1,110,764 km (0.105 R)
• M8: 1,359,545 km (0.112 R)
• M9: 1,712,596 km (0.107 R)
• M10: 1,790,687 km (0.083 R)
• M11: 1,910,066 km (0.03 R)
• M12: 2,125,636 km (0.086 R)
• M13: 2,436,351 km (0.101 R)
• M14: 2,558,124 km (0.094 R)
• M15: 2,636,662 km (0.094 R)
• M16: 2,727,468 km (0.075 R)
• M17: 2,924,040 km (0.117 R)
• M18: 3,018,137 km (0.118 R)
• M19: 3,209,473 km (0.11 R)
• M20: 3,318,829 km (0.109 R)
• M21: 3,404,848 km (0.051 R)
• M22: 3,479,048 km (0.116 R)
• M23: 3,566,413 km (0.089 R)
• M24: 3,692,524 km (0.112 R)
• M25: 3,820,281 km (0.115 R)
• M26: 4,092,998 km (0.118 R)
• M27: 4,185,449 km (0.094 R)
• M28: 4,480,307 km (0.094 R)
• M29: 4,768,133 km (0.103 R)
• M30: 4,879,434 km (0.073 R)
• M31: 5,318,803 km (0.065 R)
• M32: 5,405,420 km (0.05 R)
• M33: 5,565,190 km (0.113 R)
• M34: 5,845,088 km (0.081 R)
• M35: 6,039,266 km (0.042 R)
• M36: 6,650,074 km (0.093 R)
• M37: 7,603,162 km (0.118 R)
• M38: 7,897,272 km (0.037 R)
• M39: 8,312,256 km (0.102 R)
• M40: 8,564,628 km (0.11 R)
• M41: 8,683,259 km (0.113 R)
• M42: 8,836,597 km (0.091 R)
• M43: 8,956,574 km (0.092 R)
• M44: 9,180,672 km (0.075 R)
• M45: 9,319,499 km (0.113 R)
• M46: 9,441,570 km (0.101 R)
• M47: 9,793,425 km (0.104 R)
• M48: 10,060,008 km (0.087 R)
• M49: 10,874,269 km (0.043 R)
• M50: 11,132,026 km (0.1 R)
• M51: 11,373,029 km (0.028 R)
• M52: 11,672,075 km (0.083 R)
• M53: 11,973,814 km (0.099 R)
• M54: 12,239,948 km (0.055 R)
• M55: 12,681,411 km (0.115 R)
• M56: 12,913,737 km (0.058 R)
• M57: 13,167,156 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.8

Radius: 9.9

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 6.72 AU - 7.82 AU

Year: 6889 Days

Day: 14.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 36,738,083 km

• M1: 250,876 km (0.08 R)
• M2: 362,924 km (0.098 R)
• M3: 674,686 km (0.113 R)
• M4: 758,162 km (0.057 R)
• M5: 875,148 km (0.117 R)
• M6: 1,014,573 km (0.107 R)
• M7: 1,721,871 km (0.086 R)
• M8: 1,819,559 km (0.096 R)
• M9: 1,939,237 km (0.074 R)
• M10: 2,165,728 km (0.059 R)
• M11: 2,599,562 km (0.101 R)
• M12: 2,849,690 km (0.115 R)
• M13: 3,060,324 km (0.082 R)
• M14: 3,131,682 km (0.106 R)
• M15: 3,447,333 km (0.073 R)
• M16: 4,837,995 km (0.032 R)
• M17: 5,061,644 km (0.101 R)
• M18: 5,490,092 km (0.078 R)
• M19: 5,930,209 km (0.101 R)
• M20: 6,049,588 km (0.085 R)
• M21: 6,169,715 km (0.059 R)
• M22: 6,938,349 km (0.09 R)
• M23: 7,222,585 km (0.047 R)
• M24: 7,286,314 km (0.106 R)
• M25: 7,769,814 km (0.046 R)
• M26: 8,164,154 km (0.057 R)
• M27: 8,598,736 km (0.11 R)
• M28: 8,733,972 km (0.104 R)
• M29: 9,525,345 km (0.082 R)
• M30: 9,947,361 km (0.109 R)
• M31: 10,664,234 km (0.087 R)
• M32: 11,139,207 km (0.067 R)
• M33: 11,286,711 km (0.116 R)
• M34: 11,360,761 km (0.103 R)
• M35: 11,472,062 km (0.027 R)
• M36: 11,808,209 km (0.057 R)
• M37: 12,071,950 km (0.058 R)
• M38: 13,107,317 km (0.027 R)
• M39: 13,224,153 km (0.113 R)
• M40: 13,302,243 km (0.113 R)
• M41: 13,380,333 km (0.117 R)
• M42: 14,011,636 km (0.081 R)
• M43: 14,091,222 km (0.077 R)
• M44: 14,612,271 km (0.096 R)
• M45: 16,885,560 km (0.031 R)
• M46: 17,055,204 km (0.055 R)
• M47: 17,140,176 km (0.106 R)
• M48: 17,610,362 km (0.107 R)
• M49: 18,345,187 km (0.115 R)
• M50: 18,650,666 km (0.076 R)
• M51: 19,001,922 km (0.12 R)
• M52: 19,800,176 km (0.098 R)
• M53: 20,564,172 km (0.026 R)
• M54: 20,972,574 km (0.063 R)
• M55: 21,246,189 km (0.117 R)
• M56: 21,843,383 km (0.095 R)
• M57: 22,492,638 km (0.088 R)
• M58: 23,101,202 km (0.103 R)
• M59: 24,670,334 km (0.063 R)
• M60: 25,200,958 km (0.054 R)
• M61: 25,540,545 km (0.112 R)
• M62: 25,735,322 km (0.089 R)
• M63: 25,833,009 km (0.108 R)
• M64: 27,211,853 km (0.095 R)
• M65: 27,361,002 km (0.081 R)
• M66: 27,610,232 km (0.118 R)
• M67: 27,860,210 km (0.09 R)
• M68: 28,614,482 km (0.108 R)
• M69: 28,816,888 km (0.106 R)
• M70: 29,172,034 km (0.12 R)
• M71: 29,426,649 km (0.081 R)
• M72: 30,865,930 km (0.092 R)
• M73: 31,229,303 km (0.104 R)
• M74: 31,803,311 km (0.062 R)
• M75: 32,117,765 km (0.09 R)
• M76: 32,328,100 km (0.107 R)
• M77: 32,486,075 km (0.092 R)
• M78: 32,855,732 km (0.094 R)
• M79: 33,973,078 km (0.119 R)
• M80: 34,080,190 km (0.099 R)
• M81: 34,187,302 km (0.072 R)
• M82: 34,294,564 km (0.112 R)
• M83: 35,753,891 km (0.104 R)
• M84: 36,135,665 km (0.08 R)
• M85: 36,354,227 km (0.072 R)
• M86: 36,628,291 km (0.056 R)

Kuiper Belt

Range: 31.2 - 58.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 11,426 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit