🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213

Radius: 11.8

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.43 AU - 0.61 AU

Year: 259 Days

Day: 11.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 13,246,358 km

• M1: 146,756 km (0.115 R)
• M2: 519,105 km (0.093 R)
• M3: 1,103,135 km (0.056 R)
• M4: 1,562,999 km (0.095 R)
• M5: 1,964,370 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.9

Radius: 13

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.57 AU - 0.63 AU

Year: 321 Days

Day: 11.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 13,246,358 km

• M1: 161,715 km (0.107 R)
• M2: 605,572 km (0.079 R)
• M3: 1,078,900 km (0.111 R)
• M4: 1,546,842 km (0.077 R)
• M5: 2,065,199 km (0.117 R)
• M6: 2,551,541 km (0.108 R)
• M7: 3,093,834 km (0.057 R)
• M8: 3,653,928 km (0.069 R)
• M9: 4,076,841 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270

Radius: 9.7

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.8 AU - 1.24 AU

Year: 711 Days

Day: 14.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 13,246,358 km

• M1: 120,576 km (0.096 R)
• M2: 437,424 km (0.082 R)
• M3: 1,298,061 km (0.073 R)
• M4: 1,898,547 km (0.067 R)
• M5: 2,882,901 km (0.111 R)
• M6: 3,238,943 km (0.102 R)
• M7: 4,040,190 km (0.037 R)
• M8: 5,014,969 km (0.073 R)
• M9: 5,582,843 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.3

Radius: 14.1

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.07 AU - 1.21 AU

Year: 840 Days

Day: 10.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 13,246,358 km

• M1: 175,478 km (0.036 R)
• M2: 632,051 km (0.108 R)
• M3: 1,198,877 km (0.119 R)
• M4: 1,701,077 km (0.118 R)
• M5: 4,557,649 km (0.059 R)
• M6: 5,289,482 km (0.09 R)
• M7: 6,002,465 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.4

Radius: 8.5

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.4 AU - 1.74 AU

Year: 1358 Days

Day: 9 Hours

Environment

Temp: -185 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 13,246,358 km

• M1: 105,766 km (0.063 R)
• M2: 383,419 km (0.104 R)
• M3: 883,525 km (0.117 R)
• M4: 1,326,933 km (0.103 R)
• M5: 1,932,954 km (0.082 R)
• M6: 2,237,984 km (0.109 R)
• M7: 2,636,962 km (0.072 R)
• M8: 3,577,783 km (0.109 R)
• M9: 4,024,632 km (0.054 R)
• M10: 4,708,593 km (0.068 R)
• M11: 5,386,421 km (0.082 R)
• M12: 5,909,265 km (0.118 R)
• M13: 6,261,269 km (0.067 R)
• M14: 6,534,435 km (0.114 R)
• M15: 7,377,269 km (0.107 R)
• M16: 7,759,941 km (0.116 R)
• M17: 8,236,560 km (0.119 R)
• M18: 8,648,403 km (0.119 R)
• M19: 10,028,892 km (0.092 R)
• M20: 10,340,654 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.5

Radius: 9.6

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.51 AU - 1.67 AU

Year: 1384 Days

Day: 15 Hours

Environment

Temp: -203 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 13,246,358 km

• M1: 119,379 km (0.088 R)
• M2: 809,474 km (0.074 R)
• M3: 1,112,111 km (0.039 R)
• M4: 1,579,754 km (0.09 R)
• M5: 2,175,303 km (0.1 R)
• M6: 2,562,312 km (0.075 R)
• M7: 3,463,340 km (0.106 R)
• M8: 3,797,392 km (0.1 R)
• M9: 4,301,537 km (0.099 R)
• M10: 4,899,031 km (0.075 R)
• M11: 5,768,195 km (0.072 R)
• M12: 6,376,310 km (0.099 R)
• M13: 6,942,837 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.5

Radius: 10.7

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.37 AU - 1.83 AU

Year: 1397 Days

Day: 7.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 13,246,358 km

• M1: 133,142 km (0.046 R)
• M2: 530,923 km (0.11 R)
• M3: 1,080,545 km (0.034 R)
• M4: 1,644,081 km (0.114 R)
• M5: 2,168,272 km (0.108 R)
• M6: 3,132,430 km (0.12 R)
• M7: 4,475,071 km (0.099 R)
• M8: 5,032,921 km (0.101 R)
• M9: 5,863,788 km (0.067 R)
• M10: 6,911,422 km (0.099 R)
• M11: 7,412,425 km (0.104 R)
• M12: 7,994,061 km (0.117 R)
• M13: 8,369,253 km (0.087 R)
• M14: 8,726,044 km (0.096 R)
• M15: 9,093,007 km (0.118 R)
• M16: 10,908,527 km (0.071 R)
• M17: 11,772,156 km (0.085 R)
• M18: 12,680,664 km (0.028 R)
• M19: 13,152,196 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.7

Radius: 12.6

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.86 AU - 1.98 AU

Year: 1836 Days

Day: 11.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 13,246,358 km

• M1: 156,779 km (0.099 R)
• M2: 554,260 km (0.105 R)
• M3: 1,341,594 km (0.044 R)
• M4: 1,763,609 km (0.099 R)
• M5: 2,418,698 km (0.095 R)
• M6: 3,113,281 km (0.116 R)
• M7: 5,417,986 km (0.12 R)
• M8: 5,812,476 km (0.1 R)
• M9: 6,561,512 km (0.077 R)
• M10: 7,164,691 km (0.077 R)
• M11: 7,998,400 km (0.066 R)
• M12: 8,628,506 km (0.1 R)
• M13: 9,988,201 km (0.085 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 157 - 16,350 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit