🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.4

Radius: 13.1

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.47 AU - 0.63 AU

Year: 272 Days

Day: 5.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 60,561,882 km

• M1: 162,912 km (0.087 R)
• M2: 1,075,459 km (0.088 R)
• M3: 1,951,055 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.7

Radius: 13.7

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.69 AU - 0.69 AU

Year: 382 Days

Day: 9.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,561,882 km

• M1: 170,392 km (0.1 R)
• M2: 649,404 km (0.098 R)
• M3: 1,106,127 km (0.108 R)
• M4: 2,009,548 km (0.119 R)
• M5: 2,997,193 km (0.112 R)
• M6: 3,590,199 km (0.12 R)
• M7: 4,028,371 km (0.096 R)
• M8: 5,028,583 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.5

Radius: 9

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.21 AU - 1.83 AU

Year: 1250 Days

Day: 13.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,561,882 km

• M1: 111,899 km (0.059 R)
• M2: 415,433 km (0.078 R)
• M3: 757,713 km (0.068 R)
• M4: 1,254,378 km (0.107 R)
• M5: 1,666,969 km (0.102 R)
• M6: 2,467,318 km (0.1 R)
• M7: 3,022,625 km (0.116 R)
• M8: 4,674,634 km (0.111 R)
• M9: 5,780,761 km (0.083 R)
• M10: 6,246,160 km (0.084 R)
• M11: 6,593,825 km (0.092 R)
• M12: 8,334,546 km (0.083 R)
• M13: 8,699,415 km (0.063 R)
• M14: 9,461,018 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.8

Radius: 8.2

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.6 AU - 4.78 AU

Year: 5719 Days

Day: 12 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,561,882 km

• M1: 108,159 km (0.062 R)
• M2: 645,216 km (0.117 R)
• M3: 956,080 km (0.079 R)
• M4: 1,345,334 km (0.072 R)
• M5: 1,949,709 km (0.082 R)
• M6: 2,815,133 km (0.078 R)
• M7: 3,386,297 km (0.092 R)
• M8: 4,032,560 km (0.091 R)
• M9: 4,323,079 km (0.105 R)
• M10: 4,946,154 km (0.117 R)
• M11: 6,210,556 km (0.086 R)
• M12: 11,328,897 km (0.105 R)
• M13: 13,933,994 km (0.095 R)
• M14: 14,884,390 km (0.106 R)
• M15: 15,580,768 km (0.11 R)
• M16: 16,177,663 km (0.116 R)
• M17: 21,807,181 km (0.112 R)
• M18: 25,220,406 km (0.057 R)
• M19: 29,603,474 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.2

Radius: 14.3

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.18 AU - 5.92 AU

Year: 7568 Days

Day: 14 Hours

Environment

Temp: -229 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,561,882 km

• M1: 179,069 km (0.109 R)
• M2: 836,252 km (0.062 R)
• M3: 1,354,908 km (0.101 R)
• M4: 1,950,307 km (0.062 R)
• M5: 2,565,005 km (0.108 R)
• M6: 3,467,978 km (0.045 R)
• M7: 3,955,816 km (0.045 R)
• M8: 7,677,064 km (0.069 R)
• M9: 11,334,432 km (0.106 R)
• M10: 14,793,285 km (0.086 R)
• M11: 16,490,622 km (0.043 R)
• M12: 18,533,381 km (0.091 R)
• M13: 19,426,181 km (0.067 R)
• M14: 31,853,875 km (0.095 R)
• M15: 33,569,613 km (0.059 R)
• M16: 35,572,728 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 370.6

Radius: 4.3

Gravity: 20.04 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.87 AU - 6.77 AU

Year: 9363 Days

Day: 24.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,561,882 km

• M1: 56,698 km (0.047 R)
• M2: 203,453 km (0.07 R)
• M3: 519,553 km (0.091 R)
• M4: 780,003 km (0.034 R)
• M5: 973,284 km (0.068 R)
• M6: 1,573,022 km (0.115 R)
• M7: 3,978,555 km (0.114 R)
• M8: 6,230,003 km (0.054 R)
• M9: 7,758,744 km (0.116 R)
• M10: 8,401,716 km (0.101 R)
• M11: 8,567,769 km (0.112 R)
• M12: 9,210,442 km (0.078 R)
• M13: 9,476,277 km (0.101 R)
• M14: 11,894,228 km (0.098 R)
• M15: 12,966,844 km (0.109 R)
• M16: 17,631,306 km (0.116 R)
• M17: 19,525,664 km (0.06 R)
• M18: 20,634,483 km (0.056 R)
• M19: 21,551,368 km (0.075 R)
• M20: 21,706,801 km (0.111 R)
• M21: 29,119,824 km (0.097 R)
• M22: 29,692,185 km (0.036 R)
• M23: 36,934,667 km (0.031 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355.3

Radius: 6.5

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 8.17 AU - 11.95 AU

Year: 21278 Days

Day: 17.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,561,882 km

• M1: 80,783 km (0.112 R)
• M2: 299,944 km (0.058 R)
• M3: 567,275 km (0.086 R)
• M4: 844,929 km (0.119 R)
• M5: 1,123,630 km (0.071 R)
• M6: 1,361,341 km (0.066 R)
• M7: 1,697,786 km (0.108 R)
• M8: 3,383,006 km (0.095 R)
• M9: 4,896,937 km (0.094 R)
• M10: 5,104,728 km (0.088 R)
• M11: 5,538,263 km (0.119 R)
• M12: 5,995,883 km (0.097 R)
• M13: 6,900,351 km (0.085 R)
• M14: 7,295,290 km (0.119 R)
• M15: 9,989,547 km (0.108 R)
• M16: 11,255,445 km (0.065 R)
• M17: 13,963,016 km (0.091 R)
• M18: 14,171,556 km (0.072 R)
• M19: 15,915,867 km (0.117 R)
• M20: 16,605,364 km (0.091 R)
• M21: 17,474,976 km (0.085 R)
• M22: 17,717,325 km (0.109 R)
• M23: 18,793,382 km (0.114 R)
• M24: 19,390,577 km (0.032 R)
• M25: 21,349,860 km (0.105 R)
• M26: 22,188,057 km (0.117 R)
• M27: 25,761,202 km (0.063 R)
• M28: 28,904,702 km (0.104 R)
• M29: 30,509,887 km (0.086 R)
• M30: 39,296,219 km (0.085 R)
• M31: 46,933,190 km (0.102 R)
• M32: 59,057,799 km (0.081 R)
• M33: 59,421,471 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 283.5

Radius: 5.6

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 9.59 AU - 11.03 AU

Year: 22076 Days

Day: 20.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,561,882 km

• M1: 69,713 km (0.099 R)
• M2: 277,953 km (0.054 R)
• M3: 740,509 km (0.099 R)
• M4: 916,437 km (0.082 R)
• M5: 1,942,379 km (0.102 R)
• M6: 3,011,256 km (0.052 R)
• M7: 3,234,156 km (0.03 R)
• M8: 6,759,580 km (0.079 R)
• M9: 9,024,641 km (0.108 R)
• M10: 9,489,591 km (0.116 R)
• M11: 9,808,235 km (0.059 R)
• M12: 10,024,703 km (0.063 R)
• M13: 15,631,781 km (0.078 R)
• M14: 16,682,257 km (0.108 R)
• M15: 22,648,220 km (0.087 R)
• M16: 24,384,303 km (0.115 R)
• M17: 27,471,704 km (0.108 R)
• M18: 31,861,803 km (0.109 R)
• M19: 32,696,260 km (0.063 R)
• M20: 35,160,736 km (0.093 R)
• M21: 39,357,105 km (0.076 R)
• M22: 40,317,524 km (0.094 R)
• M23: 46,867,667 km (0.114 R)
• M24: 54,938,472 km (0.077 R)
• M25: 59,838,849 km (0.107 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 11,216 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit