🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.3

Radius: 10.1

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.46 AU - 0.74 AU

Year: 315 Days

Day: 9 Hours

Environment

Temp: -157 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,874,351 km

• M1: 125,662 km (0.049 R)
• M2: 469,588 km (0.115 R)
• M3: 785,688 km (0.08 R)
• M4: 1,103,583 km (0.114 R)
• M5: 1,484,609 km (0.099 R)
• M6: 1,892,712 km (0.043 R)
• M7: 2,384,291 km (0.102 R)
• M8: 2,847,296 km (0.118 R)
• M9: 3,553,697 km (0.115 R)
• M10: 4,413,436 km (0.065 R)
• M11: 4,762,448 km (0.109 R)
• M12: 5,129,861 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.2

Radius: 9.1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.86 AU - 0.95 AU

Year: 579 Days

Day: 8.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,874,351 km

• M1: 113,246 km (0.11 R)
• M2: 401,072 km (0.047 R)
• M3: 701,913 km (0.102 R)
• M4: 994,527 km (0.094 R)
• M5: 1,424,022 km (0.06 R)
• M6: 1,738,776 km (0.117 R)
• M7: 2,029,744 km (0.097 R)
• M8: 2,686,179 km (0.084 R)
• M9: 3,249,415 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.8

Radius: 9.4

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.43 AU - 1.71 AU

Year: 1334 Days

Day: 13.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 84,874,351 km

• M1: 117,434 km (0.111 R)
• M2: 1,317,808 km (0.09 R)
• M3: 1,808,638 km (0.088 R)
• M4: 2,280,470 km (0.048 R)
• M5: 3,341,418 km (0.11 R)
• M6: 3,909,890 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.2

Radius: 9.6

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.63 AU - 1.73 AU

Year: 1477 Days

Day: 8.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,874,351 km

• M1: 121,922 km (0.115 R)
• M2: 643,570 km (0.096 R)
• M3: 1,205,011 km (0.115 R)
• M4: 1,552,527 km (0.042 R)
• M5: 2,295,131 km (0.043 R)
• M6: 3,566,712 km (0.07 R)
• M7: 4,434,530 km (0.094 R)
• M8: 4,890,055 km (0.087 R)
• M9: 5,497,871 km (0.075 R)
• M10: 7,755,004 km (0.091 R)
• M11: 8,308,965 km (0.103 R)
• M12: 10,536,926 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.7

Radius: 10.1

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.83 AU - 2.07 AU

Year: 1847 Days

Day: 10.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,874,351 km

• M1: 130,898 km (0.043 R)
• M2: 482,603 km (0.071 R)
• M3: 848,070 km (0.089 R)
• M4: 1,412,054 km (0.093 R)
• M5: 1,726,359 km (0.099 R)
• M6: 2,576,823 km (0.097 R)
• M7: 2,925,237 km (0.04 R)
• M8: 3,920,063 km (0.046 R)
• M9: 4,764,543 km (0.101 R)
• M10: 5,882,936 km (0.046 R)
• M11: 6,516,034 km (0.092 R)
• M12: 7,193,862 km (0.084 R)
• M13: 7,918,066 km (0.118 R)
• M14: 8,369,702 km (0.111 R)
• M15: 10,022,160 km (0.054 R)
• M16: 10,720,034 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.8

Radius: 9

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.16 AU - 2.52 AU

Year: 2428 Days

Day: 7.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,874,351 km

• M1: 111,899 km (0.11 R)
• M2: 430,243 km (0.118 R)
• M3: 751,281 km (0.117 R)
• M4: 1,589,178 km (0.104 R)
• M5: 1,983,069 km (0.12 R)
• M6: 3,286,216 km (0.063 R)
• M7: 3,625,953 km (0.086 R)
• M8: 4,525,635 km (0.047 R)
• M9: 6,051,982 km (0.03 R)
• M10: 8,181,208 km (0.111 R)
• M11: 9,396,541 km (0.118 R)
• M12: 12,607,061 km (0.068 R)
• M13: 15,374,772 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.4

Radius: 11.3

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.36 AU - 3.68 AU

Year: 3560 Days

Day: 6 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,874,351 km

• M1: 140,772 km (0.072 R)
• M2: 572,361 km (0.099 R)
• M3: 1,424,770 km (0.109 R)
• M4: 2,150,918 km (0.056 R)
• M5: 2,698,895 km (0.098 R)
• M6: 3,529,313 km (0.065 R)
• M7: 4,541,941 km (0.094 R)
• M8: 5,339,746 km (0.117 R)
• M9: 8,067,963 km (0.104 R)
• M10: 11,468,622 km (0.099 R)
• M11: 13,023,392 km (0.118 R)

Asteroid Belt

Center: 6.73 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.5

Radius: 5.5

Gravity: 24.02 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 7.96 AU - 12.92 AU

Year: 22879 Days

Day: 23.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 84,874,351 km

• M1: 70,311 km (0.119 R)
• M2: 272,418 km (0.086 R)
• M3: 799,002 km (0.103 R)
• M4: 1,155,045 km (0.091 R)
• M5: 1,664,576 km (0.096 R)
• M6: 2,873,476 km (0.116 R)
• M7: 4,795,809 km (0.065 R)
• M8: 5,099,043 km (0.039 R)
• M9: 8,929,497 km (0.03 R)
• M10: 12,551,710 km (0.092 R)
• M11: 13,496,570 km (0.084 R)
• M12: 14,410,164 km (0.105 R)
• M13: 14,723,572 km (0.088 R)
• M14: 15,856,626 km (0.05 R)
• M15: 18,022,504 km (0.092 R)
• M16: 19,698,898 km (0.102 R)
• M17: 21,680,322 km (0.108 R)
• M18: 24,118,767 km (0.099 R)
• M19: 25,120,774 km (0.071 R)
• M20: 27,566,100 km (0.087 R)
• M21: 29,032,309 km (0.048 R)
• M22: 32,119,411 km (0.097 R)
• M23: 34,294,713 km (0.067 R)
• M24: 34,713,139 km (0.108 R)
• M25: 38,785,043 km (0.066 R)
• M26: 40,779,332 km (0.109 R)
• M27: 41,564,272 km (0.077 R)
• M28: 42,679,973 km (0.061 R)
• M29: 48,910,725 km (0.098 R)
• M30: 51,783,153 km (0.102 R)
• M31: 61,891,930 km (0.073 R)
• M32: 66,321,374 km (0.098 R)
• M33: 67,843,532 km (0.091 R)
• M34: 68,062,842 km (0.108 R)
• M35: 69,388,878 km (0.076 R)
• M36: 72,320,697 km (0.082 R)
• M37: 74,631,386 km (0.104 R)
• M38: 75,099,328 km (0.084 R)
• M39: 79,399,369 km (0.112 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: 321 - 12,637 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit