🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.7

Radius: 15

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.46 AU - 0.56 AU

Year: 251 Days

Day: 12.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,998,358 km

• M1: 186,549 km (0.102 R)
• M2: 800,349 km (0.037 R)
• M3: 1,297,014 km (0.108 R)
• M4: 1,897,799 km (0.097 R)
• M5: 2,375,465 km (0.115 R)
• M6: 3,018,885 km (0.1 R)
• M7: 4,026,427 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.5

Radius: 13.6

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.52 AU - 0.64 AU

Year: 305 Days

Day: 9.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 54,998,358 km

• M1: 169,195 km (0.065 R)
• M2: 610,509 km (0.057 R)
• M3: 1,516,623 km (0.09 R)
• M4: 2,696,950 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.7

Radius: 13.4

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.47 AU - 0.75 AU

Year: 329 Days

Day: 13.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,998,358 km

• M1: 166,652 km (0.12 R)
• M2: 650,302 km (0.072 R)
• M3: 1,288,786 km (0.083 R)
• M4: 2,042,310 km (0.095 R)
• M5: 2,525,511 km (0.088 R)
• M6: 3,127,493 km (0.117 R)
• M7: 3,910,339 km (0.107 R)
• M8: 4,429,593 km (0.07 R)
• M9: 5,098,445 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.8

Radius: 14.6

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.2 AU - 1.78 AU

Year: 1255 Days

Day: 11.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,998,358 km

• M1: 181,612 km (0.101 R)
• M2: 646,412 km (0.063 R)
• M3: 1,503,010 km (0.117 R)
• M4: 2,868,240 km (0.061 R)
• M5: 3,378,668 km (0.072 R)
• M6: 4,224,345 km (0.114 R)
• M7: 4,793,265 km (0.107 R)
• M8: 5,885,330 km (0.11 R)
• M9: 6,839,166 km (0.107 R)
• M10: 7,418,259 km (0.081 R)
• M11: 8,560,289 km (0.119 R)
• M12: 9,233,779 km (0.112 R)
• M13: 10,069,433 km (0.095 R)
• M14: 11,261,279 km (0.082 R)
• M15: 11,785,021 km (0.094 R)
• M16: 12,251,916 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.4

Radius: 12.6

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.46 AU - 2.55 AU

Year: 2728 Days

Day: 9.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,998,358 km

• M1: 156,779 km (0.096 R)
• M2: 591,360 km (0.068 R)
• M3: 1,011,132 km (0.087 R)
• M4: 1,423,873 km (0.029 R)
• M5: 2,578,618 km (0.119 R)
• M6: 3,006,917 km (0.1 R)
• M7: 3,710,626 km (0.099 R)
• M8: 5,296,961 km (0.119 R)
• M9: 5,835,514 km (0.098 R)
• M10: 8,364,466 km (0.113 R)
• M11: 12,503,540 km (0.081 R)
• M12: 13,743,407 km (0.042 R)
• M13: 15,728,870 km (0.077 R)
• M14: 16,147,744 km (0.108 R)
• M15: 20,199,901 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.5

Radius: 10.9

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.07 AU - 3.03 AU

Year: 2811 Days

Day: 12.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,998,358 km

• M1: 135,536 km (0.028 R)
• M2: 634,594 km (0.12 R)
• M3: 1,041,052 km (0.089 R)
• M4: 1,448,107 km (0.101 R)
• M5: 2,044,704 km (0.115 R)
• M6: 2,441,587 km (0.111 R)
• M7: 2,982,982 km (0.091 R)
• M8: 3,693,422 km (0.091 R)
• M9: 4,430,042 km (0.059 R)
• M10: 5,011,080 km (0.042 R)
• M11: 6,565,252 km (0.093 R)
• M12: 7,091,537 km (0.097 R)
• M13: 7,467,776 km (0.068 R)
• M14: 10,266,303 km (0.086 R)
• M15: 11,091,485 km (0.102 R)
• M16: 12,704,150 km (0.04 R)
• M17: 15,217,095 km (0.119 R)
• M18: 16,590,254 km (0.105 R)
• M19: 17,359,038 km (0.092 R)
• M20: 17,725,852 km (0.036 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.2

Radius: 11

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.02 AU - 3.44 AU

Year: 4007 Days

Day: 12.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,998,358 km

• M1: 136,732 km (0.054 R)
• M2: 673,938 km (0.112 R)
• M3: 1,183,768 km (0.097 R)
• M4: 1,826,590 km (0.098 R)
• M5: 2,774,442 km (0.114 R)
• M6: 3,262,131 km (0.094 R)
• M7: 4,434,530 km (0.072 R)
• M8: 4,898,881 km (0.108 R)
• M9: 5,954,743 km (0.093 R)
• M10: 7,522,379 km (0.062 R)
• M11: 7,866,454 km (0.099 R)
• M12: 9,077,150 km (0.103 R)
• M13: 9,467,451 km (0.116 R)
• M14: 16,697,366 km (0.11 R)
• M15: 17,463,457 km (0.113 R)
• M16: 18,129,766 km (0.1 R)
• M17: 19,902,501 km (0.073 R)
• M18: 22,989,303 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.7

Radius: 3.1

Gravity: 90.81 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.99 AU - 7.59 AU

Year: 10889 Days

Day: 18.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,998,358 km

• M1: 39,793 km (0.096 R)
• M2: 186,100 km (0.118 R)
• M3: 421,567 km (0.075 R)
• M4: 615,894 km (0.043 R)
• M5: 1,492,987 km (0.073 R)
• M6: 1,756,429 km (0.039 R)
• M7: 2,733,153 km (0.097 R)
• M8: 4,139,523 km (0.063 R)
• M9: 4,377,832 km (0.093 R)
• M10: 7,589,399 km (0.032 R)
• M11: 7,810,954 km (0.114 R)
• M12: 8,360,576 km (0.12 R)
• M13: 10,486,960 km (0.083 R)
• M14: 12,269,569 km (0.108 R)
• M15: 17,016,459 km (0.085 R)
• M16: 19,709,220 km (0.104 R)
• M17: 24,069,549 km (0.112 R)
• M18: 25,621,478 km (0.115 R)
• M19: 26,320,997 km (0.071 R)
• M20: 31,350,478 km (0.032 R)
• M21: 39,440,132 km (0.066 R)
• M22: 41,454,617 km (0.078 R)
• M23: 41,728,381 km (0.032 R)
• M24: 44,531,696 km (0.085 R)
• M25: 46,566,975 km (0.04 R)
• M26: 49,889,244 km (0.087 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: 357 - 19,906 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit