🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.94 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.1

Radius: 13.6

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.72 AU - 2.02 AU

Year: 1734 Days

Day: 10.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,957,216 km

• M1: 170,242 km (0.095 R)
• M2: 619,485 km (0.069 R)
• M3: 1,132,157 km (0.09 R)
• M4: 1,873,265 km (0.082 R)
• M5: 2,331,782 km (0.075 R)
• M6: 3,178,057 km (0.083 R)
• M7: 3,855,436 km (0.083 R)
• M8: 4,724,002 km (0.075 R)
• M9: 5,500,863 km (0.095 R)
• M10: 6,409,222 km (0.093 R)
• M11: 7,655,521 km (0.057 R)
• M12: 8,611,302 km (0.04 R)
• M13: 9,271,178 km (0.075 R)
• M14: 10,557,421 km (0.111 R)
• M15: 11,633,778 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.1

Radius: 14.4

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.76 AU - 2.88 AU

Year: 2397 Days

Day: 7.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,957,216 km

• M1: 179,069 km (0.078 R)
• M2: 811,269 km (0.113 R)
• M3: 1,718,580 km (0.047 R)
• M4: 2,304,106 km (0.058 R)
• M5: 2,950,070 km (0.119 R)
• M6: 5,026,339 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.9

Radius: 12

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.73 AU - 3.45 AU

Year: 3684 Days

Day: 14.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,957,216 km

• M1: 160,369 km (0.114 R)
• M2: 740,509 km (0.092 R)
• M3: 1,252,134 km (0.059 R)
• M4: 1,747,602 km (0.089 R)
• M5: 2,186,074 km (0.053 R)
• M6: 2,698,297 km (0.077 R)
• M7: 3,107,148 km (0.059 R)
• M8: 3,758,048 km (0.046 R)
• M9: 5,077,352 km (0.114 R)
• M10: 5,926,469 km (0.081 R)
• M11: 6,563,457 km (0.091 R)
• M12: 8,009,021 km (0.109 R)
• M13: 8,825,227 km (0.104 R)
• M14: 9,932,251 km (0.099 R)
• M15: 11,172,717 km (0.109 R)
• M16: 11,652,627 km (0.065 R)
• M17: 13,612,808 km (0.047 R)
• M18: 14,671,213 km (0.098 R)
• M19: 17,938,729 km (0.103 R)
• M20: 18,719,032 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.2

Radius: 11.9

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.07 AU - 4.25 AU

Year: 4749 Days

Day: 8.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,957,216 km

• M1: 148,850 km (0.057 R)
• M2: 537,206 km (0.097 R)
• M3: 1,125,874 km (0.1 R)
• M4: 1,879,099 km (0.048 R)
• M5: 2,734,499 km (0.077 R)
• M6: 3,898,521 km (0.062 R)
• M7: 4,642,022 km (0.087 R)
• M8: 5,368,020 km (0.114 R)
• M9: 7,864,061 km (0.058 R)
• M10: 8,517,804 km (0.091 R)
• M11: 9,012,225 km (0.104 R)
• M12: 9,525,794 km (0.044 R)
• M13: 11,547,460 km (0.11 R)
• M14: 12,392,688 km (0.102 R)
• M15: 13,228,491 km (0.081 R)
• M16: 15,067,049 km (0.045 R)
• M17: 16,306,467 km (0.078 R)
• M18: 16,951,234 km (0.11 R)
• M19: 17,734,977 km (0.1 R)
• M20: 19,439,944 km (0.1 R)
• M21: 19,899,210 km (0.118 R)
• M22: 20,703,448 km (0.059 R)
• M23: 21,879,736 km (0.114 R)
• M24: 22,736,632 km (0.064 R)
• M25: 23,988,467 km (0.099 R)
• M26: 25,519,602 km (0.12 R)
• M27: 26,229,443 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619

Radius: 14.1

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.38 AU - 4.24 AU

Year: 5044 Days

Day: 13 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,957,216 km

• M1: 175,478 km (0.116 R)
• M2: 769,232 km (0.088 R)
• M3: 1,302,399 km (0.082 R)
• M4: 1,841,101 km (0.12 R)
• M5: 2,730,161 km (0.107 R)
• M6: 3,802,179 km (0.098 R)
• M7: 4,303,332 km (0.11 R)
• M8: 4,874,497 km (0.105 R)
• M9: 5,412,002 km (0.079 R)
• M10: 6,231,350 km (0.09 R)
• M11: 7,165,588 km (0.098 R)
• M12: 8,605,318 km (0.098 R)
• M13: 11,623,904 km (0.071 R)
• M14: 13,089,963 km (0.113 R)
• M15: 14,027,044 km (0.115 R)
• M16: 16,034,797 km (0.057 R)
• M17: 17,046,827 km (0.119 R)
• M18: 19,595,825 km (0.102 R)
• M19: 20,822,079 km (0.1 R)
• M20: 21,882,429 km (0.07 R)
• M21: 22,389,565 km (0.069 R)
• M22: 26,405,520 km (0.095 R)
• M23: 28,155,366 km (0.034 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.8

Radius: 7

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.12 AU - 6.84 AU

Year: 11188 Days

Day: 17.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,957,216 km

• M1: 92,601 km (0.101 R)
• M2: 646,861 km (0.091 R)
• M3: 1,177,634 km (0.111 R)
• M4: 2,581,461 km (0.049 R)
• M5: 3,644,803 km (0.031 R)
• M6: 4,537,004 km (0.076 R)
• M7: 7,275,842 km (0.095 R)
• M8: 7,998,250 km (0.053 R)
• M9: 8,811,614 km (0.029 R)
• M10: 9,170,050 km (0.072 R)
• M11: 12,962,356 km (0.056 R)
• M12: 17,474,976 km (0.1 R)
• M13: 19,737,045 km (0.109 R)
• M14: 20,898,673 km (0.108 R)
• M15: 29,136,280 km (0.096 R)
• M16: 31,359,454 km (0.107 R)
• M17: 39,908,074 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 704.1

Radius: 6.1

Gravity: 18.92 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.77 AU - 8.49 AU

Year: 14295 Days

Day: 17.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,957,216 km

• M1: 77,492 km (0.1 R)
• M2: 299,794 km (0.027 R)
• M3: 523,443 km (0.101 R)
• M4: 966,552 km (0.106 R)
• M5: 1,296,116 km (0.113 R)
• M6: 2,028,846 km (0.118 R)
• M7: 4,749,134 km (0.041 R)
• M8: 13,318,698 km (0.092 R)
• M9: 15,922,898 km (0.077 R)
• M10: 16,298,987 km (0.092 R)
• M11: 21,015,060 km (0.053 R)
• M12: 31,114,712 km (0.114 R)
• M13: 32,658,412 km (0.12 R)
• M14: 33,510,372 km (0.069 R)
• M15: 39,072,271 km (0.117 R)
• M16: 40,867,595 km (0.103 R)
• M17: 44,325,251 km (0.087 R)
• M18: 50,351,502 km (0.082 R)
• M19: 50,836,498 km (0.069 R)
• M20: 54,658,574 km (0.067 R)
• M21: 58,667,947 km (0.097 R)
• M22: 59,025,485 km (0.112 R)
• M23: 60,835,470 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 386.5

Radius: 5.8

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 8.14 AU - 9.76 AU

Year: 18160 Days

Day: 21.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,957,216 km

• M1: 83,027 km (0.025 R)
• M2: 376,987 km (0.083 R)
• M3: 797,955 km (0.055 R)
• M4: 1,037,012 km (0.091 R)
• M5: 1,351,018 km (0.079 R)
• M6: 3,812,651 km (0.053 R)
• M7: 5,954,594 km (0.067 R)
• M8: 6,789,948 km (0.103 R)
• M9: 9,344,481 km (0.067 R)
• M10: 11,982,341 km (0.073 R)
• M11: 12,165,897 km (0.097 R)
• M12: 13,176,730 km (0.102 R)
• M13: 19,332,383 km (0.117 R)
• M14: 27,482,176 km (0.092 R)
• M15: 31,019,717 km (0.106 R)
• M16: 32,066,603 km (0.074 R)
• M17: 34,973,589 km (0.118 R)
• M18: 40,063,955 km (0.11 R)
• M19: 53,981,344 km (0.101 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 408 - 12,360 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit