🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.8

Radius: 11

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.56 AU - 0.6 AU

Year: 305 Days

Day: 9.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,752,593 km

• M1: 136,732 km (0.107 R)
• M2: 520,750 km (0.039 R)
• M3: 903,721 km (0.102 R)
• M4: 1,270,535 km (0.1 R)
• M5: 1,766,751 km (0.057 R)
• M6: 2,236,189 km (0.107 R)
• M7: 2,701,289 km (0.116 R)
• M8: 3,155,169 km (0.117 R)
• M9: 3,566,264 km (0.098 R)
• M10: 4,634,542 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.4

Radius: 12.9

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.82 AU - 1.08 AU

Year: 639 Days

Day: 9.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,752,593 km

• M1: 160,369 km (0.118 R)
• M2: 591,510 km (0.026 R)
• M3: 1,125,126 km (0.12 R)
• M4: 1,533,229 km (0.109 R)
• M5: 1,987,707 km (0.115 R)
• M6: 2,674,361 km (0.114 R)
• M7: 3,090,393 km (0.062 R)
• M8: 3,549,808 km (0.095 R)
• M9: 4,225,093 km (0.111 R)
• M10: 4,664,611 km (0.029 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.7

Radius: 12.3

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.79 AU - 1.22 AU

Year: 690 Days

Day: 9.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,752,593 km

• M1: 153,039 km (0.11 R)
• M2: 564,882 km (0.109 R)
• M3: 1,004,699 km (0.113 R)
• M4: 1,601,296 km (0.085 R)
• M5: 2,131,620 km (0.057 R)
• M6: 2,710,564 km (0.102 R)
• M7: 3,482,638 km (0.068 R)
• M8: 4,290,467 km (0.105 R)
• M9: 4,982,507 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.6

Radius: 10.3

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.24 AU - 3.98 AU

Year: 4734 Days

Day: 9.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,752,593 km

• M1: 131,796 km (0.117 R)
• M2: 604,525 km (0.1 R)
• M3: 1,194,090 km (0.076 R)
• M4: 2,040,515 km (0.079 R)
• M5: 2,451,161 km (0.107 R)
• M6: 2,795,087 km (0.106 R)
• M7: 3,874,136 km (0.09 R)
• M8: 4,901,425 km (0.117 R)
• M9: 5,533,476 km (0.108 R)
• M10: 8,217,261 km (0.098 R)
• M11: 9,500,362 km (0.094 R)
• M12: 12,223,044 km (0.043 R)
• M13: 12,843,576 km (0.069 R)
• M14: 16,667,896 km (0.108 R)
• M15: 25,536,207 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.5

Radius: 13.6

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.92 AU - 5.74 AU

Year: 8494 Days

Day: 9.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,752,593 km

• M1: 191,784 km (0.115 R)
• M2: 755,918 km (0.086 R)
• M3: 1,190,649 km (0.106 R)
• M4: 1,786,947 km (0.059 R)
• M5: 2,333,577 km (0.1 R)
• M6: 3,048,057 km (0.059 R)
• M7: 4,019,396 km (0.119 R)
• M8: 4,680,319 km (0.098 R)
• M9: 6,220,429 km (0.068 R)
• M10: 6,669,971 km (0.117 R)
• M11: 7,210,617 km (0.098 R)
• M12: 8,189,287 km (0.086 R)
• M13: 9,461,766 km (0.072 R)
• M14: 11,233,005 km (0.076 R)
• M15: 11,708,577 km (0.093 R)
• M16: 13,111,805 km (0.11 R)
• M17: 13,908,413 km (0.036 R)
• M18: 15,539,778 km (0.099 R)
• M19: 16,311,105 km (0.088 R)
• M20: 16,921,763 km (0.052 R)
• M21: 19,998,393 km (0.078 R)
• M22: 21,486,742 km (0.09 R)
• M23: 24,683,200 km (0.115 R)
• M24: 26,311,423 km (0.101 R)
• M25: 28,271,454 km (0.077 R)
• M26: 29,781,346 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 961.8

Radius: 3.3

Gravity: 88.32 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 6.88 AU - 8.5 AU

Year: 14720 Days

Day: 24.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 79,752,593 km

• M1: 49,666 km (0.1 R)
• M2: 200,760 km (0.089 R)
• M3: 459,565 km (0.065 R)
• M4: 665,711 km (0.081 R)
• M5: 770,130 km (0.095 R)
• M6: 1,191,996 km (0.111 R)
• M7: 1,453,343 km (0.087 R)
• M8: 1,769,294 km (0.077 R)
• M9: 2,231,402 km (0.109 R)
• M10: 2,842,060 km (0.057 R)
• M11: 3,225,928 km (0.035 R)
• M12: 4,652,195 km (0.047 R)
• M13: 5,074,360 km (0.055 R)
• M14: 6,493,595 km (0.113 R)
• M15: 9,857,452 km (0.101 R)
• M16: 11,589,646 km (0.107 R)
• M17: 12,560,536 km (0.072 R)
• M18: 13,866,526 km (0.069 R)
• M19: 14,080,750 km (0.094 R)
• M20: 16,345,213 km (0.111 R)
• M21: 18,928,170 km (0.117 R)
• M22: 22,843,894 km (0.108 R)
• M23: 24,157,214 km (0.098 R)
• M24: 26,933,152 km (0.06 R)
• M25: 28,742,987 km (0.062 R)
• M26: 29,795,707 km (0.098 R)
• M27: 30,152,348 km (0.087 R)
• M28: 35,981,878 km (0.12 R)
• M29: 36,116,367 km (0.073 R)
• M30: 38,313,211 km (0.064 R)
• M31: 39,587,337 km (0.112 R)
• M32: 41,624,860 km (0.109 R)
• M33: 42,070,362 km (0.089 R)
• M34: 42,219,661 km (0.06 R)
• M35: 43,731,347 km (0.107 R)
• M36: 50,138,923 km (0.114 R)
• M37: 62,417,916 km (0.08 R)
• M38: 65,172,312 km (0.091 R)
• M39: 67,596,845 km (0.113 R)
• M40: 69,246,162 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 991.9

Radius: 6.1

Gravity: 26.66 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 8.47 AU - 9.01 AU

Year: 17835 Days

Day: 15.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 79,752,593 km

• M1: 76,295 km (0.055 R)
• M2: 433,834 km (0.114 R)
• M3: 639,830 km (0.068 R)
• M4: 856,747 km (0.079 R)
• M5: 1,276,519 km (0.078 R)
• M6: 1,751,043 km (0.053 R)
• M7: 2,163,185 km (0.083 R)
• M8: 2,381,299 km (0.117 R)
• M9: 2,810,944 km (0.098 R)
• M10: 3,152,476 km (0.099 R)
• M11: 3,492,063 km (0.095 R)
• M12: 4,587,419 km (0.099 R)
• M13: 5,252,082 km (0.09 R)
• M14: 6,021,165 km (0.106 R)
• M15: 7,482,586 km (0.09 R)
• M16: 7,932,876 km (0.101 R)
• M17: 9,449,798 km (0.093 R)
• M18: 9,681,226 km (0.104 R)
• M19: 10,215,739 km (0.112 R)
• M20: 12,973,875 km (0.06 R)
• M21: 14,143,431 km (0.089 R)
• M22: 16,027,317 km (0.073 R)
• M23: 16,356,732 km (0.109 R)
• M24: 22,261,510 km (0.112 R)
• M25: 22,568,634 km (0.084 R)
• M26: 25,239,405 km (0.102 R)
• M27: 26,708,306 km (0.101 R)
• M28: 32,101,758 km (0.103 R)
• M29: 32,625,351 km (0.089 R)
• M30: 36,168,277 km (0.098 R)
• M31: 41,950,534 km (0.045 R)
• M32: 42,733,829 km (0.094 R)
• M33: 45,633,933 km (0.104 R)
• M34: 50,226,139 km (0.107 R)
• M35: 55,867,624 km (0.07 R)
• M36: 61,514,196 km (0.087 R)
• M37: 71,010,220 km (0.042 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: 280 - 14,050 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit