🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.86 AU - 1.3 AU

Year: 512 Days

Day: 29.5 Hours

Environment

Temp: -78 °C

Axial Tilt: 1.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,010,233 km

• M1: 43,683 km (0.053 R)

Asteroid Belt

Center: 2.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.5

Radius: 11.9

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.95 AU - 4.07 AU

Year: 3666 Days

Day: 7 Hours

Environment

Temp: -166 °C

Axial Tilt: 126.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,010,233 km

• M1: 147,952 km (0.108 R)
• M2: 583,731 km (0.115 R)
• M3: 1,126,921 km (0.117 R)
• M4: 1,663,080 km (0.094 R)
• M5: 2,183,531 km (0.085 R)
• M6: 2,698,895 km (0.106 R)
• M7: 3,133,327 km (0.117 R)
• M8: 4,362,573 km (0.099 R)
• M9: 4,940,769 km (0.117 R)
• M10: 6,715,748 km (0.084 R)
• M11: 8,632,994 km (0.103 R)
• M12: 9,852,217 km (0.078 R)
• M13: 11,225,076 km (0.05 R)
• M14: 12,906,108 km (0.097 R)
• M15: 14,698,440 km (0.085 R)
• M16: 15,786,764 km (0.098 R)
• M17: 16,215,212 km (0.066 R)
• M18: 17,661,525 km (0.041 R)
• M19: 19,557,678 km (0.098 R)
• M20: 20,428,487 km (0.1 R)
• M21: 21,130,550 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.9

Radius: 9.1

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.16 AU - 4.48 AU

Year: 4099 Days

Day: 13.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,010,233 km

• M1: 113,246 km (0.103 R)
• M2: 557,402 km (0.091 R)
• M3: 848,220 km (0.056 R)
• M4: 1,491,790 km (0.118 R)
• M5: 2,230,055 km (0.095 R)
• M6: 2,543,762 km (0.115 R)
• M7: 3,013,500 km (0.063 R)
• M8: 3,558,036 km (0.047 R)
• M9: 3,854,240 km (0.099 R)
• M10: 5,069,573 km (0.093 R)
• M11: 5,715,387 km (0.115 R)
• M12: 6,123,190 km (0.047 R)
• M13: 7,736,603 km (0.048 R)
• M14: 8,857,540 km (0.115 R)
• M15: 9,615,553 km (0.108 R)
• M16: 13,260,056 km (0.037 R)
• M17: 14,390,268 km (0.086 R)
• M18: 15,002,722 km (0.077 R)
• M19: 16,686,745 km (0.11 R)
• M20: 18,328,881 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.2

Radius: 8.7

Gravity: 13.16 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 5.46 AU - 6.14 AU

Year: 6377 Days

Day: 10.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,010,233 km

• M1: 122,521 km (0.115 R)
• M2: 565,330 km (0.1 R)
• M3: 880,533 km (0.103 R)
• M4: 1,338,751 km (0.1 R)
• M5: 1,918,742 km (0.114 R)
• M6: 2,600,161 km (0.095 R)
• M7: 3,644,354 km (0.074 R)
• M8: 4,116,784 km (0.084 R)
• M9: 4,800,296 km (0.117 R)
• M10: 5,337,802 km (0.092 R)
• M11: 5,653,304 km (0.096 R)
• M12: 7,578,778 km (0.089 R)
• M13: 8,059,735 km (0.098 R)
• M14: 9,625,576 km (0.115 R)
• M15: 10,094,266 km (0.101 R)
• M16: 11,697,207 km (0.114 R)
• M17: 15,976,604 km (0.082 R)
• M18: 17,104,871 km (0.091 R)
• M19: 18,073,218 km (0.091 R)
• M20: 19,668,230 km (0.077 R)
• M21: 21,671,496 km (0.107 R)
• M22: 22,395,549 km (0.072 R)
• M23: 24,405,397 km (0.038 R)
• M24: 25,899,730 km (0.116 R)
• M25: 26,806,742 km (0.066 R)
• M26: 28,588,153 km (0.103 R)
• M27: 28,876,428 km (0.057 R)
• M28: 33,437,667 km (0.088 R)
• M29: 39,995,589 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.6

Radius: 8.1

Gravity: 10.94 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.5 AU - 7.14 AU

Year: 6410 Days

Day: 10.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,010,233 km

• M1: 100,829 km (0.085 R)
• M2: 425,456 km (0.041 R)
• M3: 1,114,654 km (0.054 R)
• M4: 1,386,024 km (0.031 R)
• M5: 2,990,312 km (0.093 R)
• M6: 3,302,672 km (0.118 R)
• M7: 3,590,947 km (0.063 R)
• M8: 5,293,521 km (0.105 R)
• M9: 5,596,606 km (0.068 R)
• M10: 7,550,953 km (0.12 R)
• M11: 8,954,629 km (0.098 R)
• M12: 13,073,059 km (0.105 R)
• M13: 14,904,585 km (0.09 R)
• M14: 18,998,780 km (0.104 R)
• M15: 20,073,491 km (0.059 R)
• M16: 20,962,252 km (0.088 R)
• M17: 21,264,141 km (0.069 R)
• M18: 26,236,774 km (0.116 R)
• M19: 27,209,010 km (0.043 R)
• M20: 32,736,203 km (0.077 R)
• M21: 34,697,880 km (0.04 R)
• M22: 35,333,371 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.4

Radius: 12.8

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.8 AU - 6.84 AU

Year: 7254 Days

Day: 9.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,010,233 km

• M1: 160,519 km (0.119 R)
• M2: 788,231 km (0.088 R)
• M3: 1,354,459 km (0.062 R)
• M4: 3,034,892 km (0.103 R)
• M5: 3,806,518 km (0.094 R)
• M6: 4,367,211 km (0.087 R)
• M7: 4,880,481 km (0.085 R)
• M8: 8,295,800 km (0.096 R)
• M9: 11,260,531 km (0.06 R)
• M10: 11,854,285 km (0.119 R)
• M11: 12,759,651 km (0.05 R)
• M12: 13,813,269 km (0.084 R)
• M13: 18,551,931 km (0.063 R)
• M14: 22,729,900 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.8

Radius: 13.9

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.58 AU - 7.42 AU

Year: 7566 Days

Day: 10.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,010,233 km

• M1: 175,777 km (0.05 R)
• M2: 1,296,864 km (0.094 R)
• M3: 1,940,733 km (0.116 R)
• M4: 2,572,036 km (0.12 R)
• M5: 3,787,668 km (0.115 R)
• M6: 4,252,170 km (0.101 R)
• M7: 4,754,968 km (0.09 R)
• M8: 5,416,789 km (0.109 R)
• M9: 7,178,005 km (0.119 R)
• M10: 11,148,482 km (0.112 R)
• M11: 13,571,818 km (0.066 R)
• M12: 19,153,015 km (0.038 R)
• M13: 24,311,449 km (0.073 R)
• M14: 24,814,248 km (0.051 R)
• M15: 26,984,763 km (0.089 R)
• M16: 27,614,570 km (0.11 R)
• M17: 33,216,262 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.3

Radius: 10.9

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.86 AU - 7.42 AU

Year: 8711 Days

Day: 8.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,010,233 km

• M1: 135,835 km (0.059 R)
• M2: 1,227,301 km (0.113 R)
• M3: 1,720,824 km (0.073 R)
• M4: 2,208,364 km (0.068 R)
• M5: 3,038,034 km (0.074 R)
• M6: 3,403,651 km (0.069 R)
• M7: 4,558,397 km (0.08 R)
• M8: 5,527,492 km (0.086 R)
• M9: 6,440,637 km (0.12 R)
• M10: 6,982,630 km (0.106 R)
• M11: 9,993,886 km (0.106 R)
• M12: 10,503,715 km (0.114 R)
• M13: 11,030,749 km (0.118 R)
• M14: 12,966,096 km (0.085 R)
• M15: 13,317,801 km (0.108 R)
• M16: 14,093,017 km (0.051 R)
• M17: 14,518,623 km (0.119 R)
• M18: 16,018,790 km (0.058 R)
• M19: 18,554,026 km (0.118 R)
• M20: 25,645,114 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638.4

Radius: 4

Gravity: 39.9 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 9.05 AU - 15.03 AU

Year: 19074 Days

Day: 24.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 72,010,233 km

• M1: 49,966 km (0.106 R)
• M2: 260,151 km (0.119 R)
• M3: 476,469 km (0.089 R)
• M4: 608,265 km (0.105 R)
• M5: 1,007,691 km (0.114 R)
• M6: 1,329,177 km (0.068 R)
• M7: 1,750,893 km (0.115 R)
• M8: 1,992,644 km (0.08 R)
• M9: 2,256,385 km (0.106 R)
• M10: 2,612,278 km (0.119 R)
• M11: 5,496,226 km (0.113 R)
• M12: 5,851,371 km (0.071 R)
• M13: 12,087,658 km (0.086 R)
• M14: 14,309,036 km (0.098 R)
• M15: 14,979,684 km (0.107 R)
• M16: 16,952,132 km (0.049 R)
• M17: 18,825,396 km (0.07 R)
• M18: 21,211,931 km (0.076 R)
• M19: 22,279,461 km (0.091 R)
• M20: 24,311,449 km (0.096 R)
• M21: 26,908,917 km (0.117 R)
• M22: 27,928,726 km (0.109 R)
• M23: 35,799,219 km (0.097 R)
• M24: 37,031,906 km (0.104 R)
• M25: 38,009,977 km (0.11 R)
• M26: 40,603,854 km (0.109 R)
• M27: 45,820,631 km (0.112 R)
• M28: 47,927,867 km (0.1 R)
• M29: 50,950,791 km (0.108 R)
• M30: 51,812,624 km (0.12 R)
• M31: 52,684,032 km (0.035 R)
• M32: 53,742,586 km (0.072 R)
• M33: 56,084,541 km (0.079 R)
• M34: 57,558,978 km (0.041 R)
• M35: 60,393,109 km (0.107 R)
• M36: 67,778,307 km (0.112 R)
• M37: 70,509,665 km (0.117 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 11,172 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit