🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.7

Radius: 13.2

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.55 AU - 0.81 AU

Year: 387 Days

Day: 7.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,614,456 km

• M1: 164,109 km (0.107 R)
• M2: 618,438 km (0.067 R)
• M3: 1,290,132 km (0.085 R)
• M4: 1,760,617 km (0.032 R)
• M5: 2,405,534 km (0.054 R)
• M6: 3,001,382 km (0.117 R)
• M7: 3,481,442 km (0.119 R)
• M8: 4,260,547 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.3

Radius: 14.2

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.91 AU - 1.39 AU

Year: 851 Days

Day: 10.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,614,456 km

• M1: 176,675 km (0.05 R)
• M2: 791,672 km (0.056 R)
• M3: 1,548,936 km (0.106 R)
• M4: 2,117,259 km (0.09 R)
• M5: 2,956,652 km (0.094 R)
• M6: 3,467,080 km (0.116 R)
• M7: 4,092,399 km (0.042 R)
• M8: 4,776,810 km (0.087 R)
• M9: 5,641,336 km (0.05 R)
• M10: 6,280,418 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.4

Radius: 9.1

Gravity: 8.14 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.67 AU - 2.19 AU

Year: 1851 Days

Day: 6.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,614,456 km

• M1: 113,994 km (0.094 R)
• M2: 465,249 km (0.07 R)
• M3: 866,920 km (0.073 R)
• M4: 1,310,029 km (0.08 R)
• M5: 1,944,024 km (0.068 R)
• M6: 2,376,063 km (0.107 R)
• M7: 2,871,232 km (0.064 R)
• M8: 3,159,357 km (0.106 R)
• M9: 3,776,897 km (0.12 R)
• M10: 4,757,511 km (0.083 R)
• M11: 5,097,697 km (0.109 R)
• M12: 6,292,236 km (0.097 R)
• M13: 6,650,673 km (0.096 R)
• M14: 7,076,877 km (0.096 R)
• M15: 8,132,589 km (0.12 R)
• M16: 8,435,226 km (0.119 R)
• M17: 8,935,032 km (0.109 R)
• M18: 9,224,803 km (0.074 R)
• M19: 10,341,402 km (0.109 R)
• M20: 11,583,513 km (0.091 R)
• M21: 12,005,977 km (0.075 R)
• M22: 12,319,534 km (0.093 R)
• M23: 13,168,951 km (0.105 R)
• M24: 13,927,711 km (0.087 R)
• M25: 14,361,695 km (0.118 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 196.3

Radius: 6.7

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 6.7 AU - 11.06 AU

Year: 18265 Days

Day: 23.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,614,456 km

• M1: 83,326 km (0.106 R)
• M2: 718,818 km (0.061 R)
• M3: 1,129,165 km (0.078 R)
• M4: 3,237,896 km (0.104 R)
• M5: 4,209,235 km (0.094 R)
• M6: 7,061,319 km (0.106 R)
• M7: 9,091,362 km (0.034 R)
• M8: 10,625,488 km (0.077 R)
• M9: 11,481,337 km (0.075 R)
• M10: 18,571,678 km (0.103 R)
• M11: 22,711,500 km (0.098 R)
• M12: 24,127,145 km (0.032 R)
• M13: 28,422,698 km (0.111 R)
• M14: 34,217,671 km (0.11 R)
• M15: 39,109,820 km (0.095 R)
• M16: 41,010,162 km (0.05 R)
• M17: 47,079,198 km (0.035 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.9

Radius: 7.8

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 10.02 AU - 10.42 AU

Year: 22552 Days

Day: 21 Hours

Environment

Temp: -230 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,614,456 km

• M1: 98,884 km (0.064 R)
• M2: 402,418 km (0.102 R)
• M3: 1,211,593 km (0.119 R)
• M4: 1,752,240 km (0.12 R)
• M5: 2,501,426 km (0.048 R)
• M6: 2,905,789 km (0.08 R)
• M7: 3,794,550 km (0.096 R)
• M8: 7,871,391 km (0.108 R)
• M9: 10,669,619 km (0.116 R)
• M10: 14,007,746 km (0.075 R)
• M11: 14,571,581 km (0.101 R)
• M12: 16,630,197 km (0.119 R)
• M13: 18,351,620 km (0.08 R)
• M14: 19,026,755 km (0.08 R)
• M15: 20,426,392 km (0.107 R)
• M16: 23,342,354 km (0.101 R)
• M17: 26,810,182 km (0.098 R)
• M18: 30,606,677 km (0.088 R)
• M19: 31,983,726 km (0.068 R)
• M20: 39,740,824 km (0.101 R)
• M21: 41,634,284 km (0.118 R)
• M22: 44,385,090 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 304

Radius: 3.8

Gravity: 21.05 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 10.21 AU - 10.47 AU

Year: 22950 Days

Day: 18.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 63,614,456 km

• M1: 47,572 km (0.102 R)
• M2: 370,704 km (0.034 R)
• M3: 635,941 km (0.027 R)
• M4: 882,777 km (0.115 R)
• M5: 1,503,309 km (0.109 R)
• M6: 1,941,032 km (0.08 R)
• M7: 2,796,134 km (0.06 R)
• M8: 3,618,623 km (0.114 R)
• M9: 4,085,069 km (0.051 R)
• M10: 4,623,472 km (0.057 R)
• M11: 5,066,132 km (0.107 R)
• M12: 5,573,717 km (0.066 R)
• M13: 5,724,811 km (0.108 R)
• M14: 6,315,723 km (0.105 R)
• M15: 6,604,896 km (0.027 R)
• M16: 8,679,519 km (0.085 R)
• M17: 12,385,956 km (0.116 R)
• M18: 15,050,892 km (0.047 R)
• M19: 15,270,502 km (0.105 R)
• M20: 15,566,556 km (0.116 R)
• M21: 17,184,158 km (0.084 R)
• M22: 22,702,674 km (0.117 R)
• M23: 24,674,523 km (0.117 R)
• M24: 27,841,660 km (0.055 R)
• M25: 30,562,546 km (0.078 R)
• M26: 41,188,931 km (0.112 R)
• M27: 42,195,725 km (0.078 R)
• M28: 42,340,985 km (0.093 R)
• M29: 43,662,532 km (0.113 R)
• M30: 48,584,152 km (0.108 R)
• M31: 51,674,396 km (0.118 R)
• M32: 55,587,427 km (0.059 R)
• M33: 56,993,348 km (0.115 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: 314 - 19,384 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit