🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.73 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.8

Radius: 10.8

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.25 AU - 1.65 AU

Year: 1205 Days

Day: 11 Hours

Environment

Temp: -184 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,860,348 km

• M1: 134,339 km (0.112 R)
• M2: 563,834 km (0.065 R)
• M3: 1,380,489 km (0.086 R)
• M4: 1,913,207 km (0.088 R)
• M5: 2,668,527 km (0.118 R)
• M6: 4,387,855 km (0.113 R)
• M7: 4,731,332 km (0.039 R)
• M8: 5,698,033 km (0.093 R)
• M9: 6,621,351 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.1

Radius: 13.3

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.5 AU - 1.9 AU

Year: 1530 Days

Day: 9.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,860,348 km

• M1: 165,605 km (0.083 R)
• M2: 588,518 km (0.115 R)
• M3: 1,092,214 km (0.034 R)
• M4: 1,879,847 km (0.108 R)
• M5: 2,390,125 km (0.102 R)
• M6: 2,894,868 km (0.116 R)
• M7: 3,392,581 km (0.117 R)
• M8: 4,104,367 km (0.111 R)
• M9: 5,075,706 km (0.062 R)
• M10: 5,561,450 km (0.087 R)
• M11: 6,725,771 km (0.087 R)
• M12: 7,313,391 km (0.041 R)
• M13: 7,796,891 km (0.057 R)
• M14: 8,216,065 km (0.116 R)
• M15: 9,284,193 km (0.069 R)
• M16: 9,948,857 km (0.082 R)
• M17: 10,815,627 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.7

Radius: 13.2

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.83 AU - 2.63 AU

Year: 2299 Days

Day: 8.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,860,348 km

• M1: 164,408 km (0.106 R)
• M2: 895,493 km (0.112 R)
• M3: 1,657,395 km (0.077 R)
• M4: 2,235,740 km (0.077 R)
• M5: 3,620,867 km (0.071 R)
• M6: 4,302,136 km (0.107 R)
• M7: 5,067,628 km (0.099 R)
• M8: 5,627,124 km (0.085 R)
• M9: 7,025,266 km (0.028 R)
• M10: 8,976,471 km (0.085 R)
• M11: 11,555,239 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.1

Radius: 14.5

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.4 AU - 2.86 AU

Year: 2944 Days

Day: 6.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,860,348 km

• M1: 180,415 km (0.083 R)
• M2: 661,223 km (0.03 R)
• M3: 1,459,178 km (0.038 R)
• M4: 1,993,242 km (0.104 R)
• M5: 2,785,812 km (0.1 R)
• M6: 4,262,791 km (0.095 R)
• M7: 4,785,785 km (0.12 R)
• M8: 6,185,124 km (0.092 R)
• M9: 7,515,199 km (0.099 R)
• M10: 9,664,621 km (0.064 R)
• M11: 10,171,159 km (0.114 R)
• M12: 11,667,437 km (0.092 R)
• M13: 12,743,794 km (0.07 R)
• M14: 13,449,447 km (0.054 R)
• M15: 14,938,993 km (0.072 R)
• M16: 15,511,953 km (0.103 R)
• M17: 17,376,092 km (0.06 R)
• M18: 18,010,088 km (0.077 R)
• M19: 18,659,492 km (0.11 R)
• M20: 20,830,157 km (0.029 R)
• M21: 22,889,222 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.1

Radius: 12.1

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.71 AU - 2.99 AU

Year: 3321 Days

Day: 14.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 47,860,348 km

• M1: 150,645 km (0.053 R)
• M2: 559,795 km (0.106 R)
• M3: 1,379,592 km (0.096 R)
• M4: 1,792,631 km (0.105 R)
• M5: 2,318,318 km (0.119 R)
• M6: 2,774,741 km (0.094 R)
• M7: 3,583,019 km (0.068 R)
• M8: 4,733,725 km (0.044 R)
• M9: 5,263,003 km (0.086 R)
• M10: 6,262,466 km (0.102 R)
• M11: 6,807,750 km (0.083 R)
• M12: 7,958,906 km (0.057 R)
• M13: 9,007,437 km (0.113 R)
• M14: 9,782,803 km (0.068 R)
• M15: 11,422,396 km (0.083 R)
• M16: 11,916,368 km (0.074 R)
• M17: 12,612,896 km (0.101 R)
• M18: 13,683,268 km (0.09 R)
• M19: 14,240,820 km (0.061 R)
• M20: 18,823,900 km (0.117 R)
• M21: 20,878,028 km (0.039 R)
• M22: 23,006,507 km (0.093 R)
• M23: 23,867,891 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.9

Radius: 11.5

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.79 AU - 2.91 AU

Year: 3321 Days

Day: 7.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,860,348 km

• M1: 143,016 km (0.1 R)
• M2: 723,306 km (0.06 R)
• M3: 1,649,167 km (0.042 R)
• M4: 2,404,636 km (0.118 R)
• M5: 2,763,671 km (0.104 R)
• M6: 3,130,485 km (0.111 R)
• M7: 3,766,426 km (0.058 R)
• M8: 4,977,570 km (0.119 R)
• M9: 6,885,392 km (0.111 R)
• M10: 7,829,055 km (0.027 R)
• M11: 9,723,712 km (0.065 R)
• M12: 11,836,034 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.2

Radius: 12.1

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.12 AU - 3.96 AU

Year: 4597 Days

Day: 5.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,860,348 km

• M1: 156,479 km (0.067 R)
• M2: 590,313 km (0.114 R)
• M3: 994,975 km (0.054 R)
• M4: 1,379,292 km (0.073 R)
• M5: 2,260,573 km (0.101 R)
• M6: 4,770,676 km (0.038 R)
• M7: 7,527,615 km (0.09 R)
• M8: 8,745,940 km (0.054 R)
• M9: 13,458,572 km (0.094 R)
• M10: 16,097,180 km (0.067 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.8

Radius: 13.4

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.18 AU - 4.18 AU

Year: 5899 Days

Day: 10.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,860,348 km

• M1: 183,706 km (0.1 R)
• M2: 688,449 km (0.097 R)
• M3: 1,120,189 km (0.107 R)
• M4: 1,588,580 km (0.094 R)
• M5: 2,774,143 km (0.113 R)
• M6: 3,513,755 km (0.093 R)
• M7: 4,693,633 km (0.099 R)
• M8: 6,568,543 km (0.096 R)
• M9: 8,867,713 km (0.093 R)
• M10: 10,253,737 km (0.097 R)
• M11: 11,859,670 km (0.046 R)
• M12: 14,208,955 km (0.114 R)
• M13: 15,954,613 km (0.114 R)
• M14: 16,600,577 km (0.082 R)
• M15: 17,367,565 km (0.053 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.6

Radius: 5.4

Gravity: 29.24 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.08 AU - 6.04 AU

Year: 9049 Days

Day: 20.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 94.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 47,860,348 km

• M1: 73,602 km (0.077 R)
• M2: 539,300 km (0.069 R)
• M3: 884,871 km (0.08 R)
• M4: 1,136,046 km (0.04 R)
• M5: 2,567,099 km (0.048 R)
• M6: 2,752,451 km (0.115 R)
• M7: 2,924,638 km (0.111 R)
• M8: 3,636,126 km (0.047 R)
• M9: 4,398,626 km (0.106 R)
• M10: 4,604,772 km (0.089 R)
• M11: 6,124,836 km (0.04 R)
• M12: 6,840,512 km (0.113 R)
• M13: 7,485,279 km (0.108 R)
• M14: 7,779,688 km (0.063 R)
• M15: 8,257,952 km (0.099 R)
• M16: 8,481,750 km (0.039 R)
• M17: 11,163,442 km (0.089 R)
• M18: 11,492,408 km (0.06 R)
• M19: 11,771,557 km (0.114 R)
• M20: 13,174,636 km (0.106 R)
• M21: 15,482,931 km (0.048 R)
• M22: 15,892,081 km (0.079 R)
• M23: 18,884,038 km (0.11 R)
• M24: 20,881,469 km (0.034 R)
• M25: 21,718,320 km (0.101 R)
• M26: 23,369,731 km (0.07 R)
• M27: 25,667,853 km (0.092 R)
• M28: 28,517,094 km (0.11 R)
• M29: 29,028,719 km (0.086 R)
• M30: 33,007,125 km (0.091 R)
• M31: 36,728,521 km (0.118 R)
• M32: 41,499,347 km (0.102 R)
• M33: 42,288,476 km (0.106 R)
• M34: 43,221,667 km (0.034 R)
• M35: 48,239,329 km (0.041 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.1

Radius: 4.8

Gravity: 24.96 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.03 AU - 6.55 AU

Year: 10889 Days

Day: 19.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 47,860,348 km

• M1: 60,138 km (0.078 R)
• M2: 251,773 km (0.069 R)
• M3: 425,157 km (0.07 R)
• M4: 575,653 km (0.056 R)
• M5: 833,859 km (0.025 R)
• M6: 1,166,265 km (0.103 R)
• M7: 1,337,405 km (0.111 R)
• M8: 1,596,808 km (0.11 R)
• M9: 1,856,809 km (0.065 R)
• M10: 2,327,294 km (0.113 R)
• M11: 2,560,368 km (0.099 R)
• M12: 3,476,206 km (0.116 R)
• M13: 4,076,243 km (0.117 R)
• M14: 4,357,636 km (0.09 R)
• M15: 10,179,537 km (0.119 R)
• M16: 11,955,263 km (0.057 R)
• M17: 12,298,890 km (0.094 R)
• M18: 14,957,543 km (0.09 R)
• M19: 19,984,630 km (0.107 R)
• M20: 26,415,394 km (0.093 R)
• M21: 28,391,282 km (0.09 R)
• M22: 28,696,013 km (0.071 R)
• M23: 29,727,191 km (0.109 R)
• M24: 30,357,597 km (0.063 R)
• M25: 33,418,070 km (0.054 R)
• M26: 34,443,863 km (0.106 R)
• M27: 36,318,922 km (0.034 R)
• M28: 36,677,957 km (0.119 R)
• M29: 38,384,570 km (0.094 R)
• M30: 38,881,833 km (0.095 R)
• M31: 40,016,084 km (0.086 R)
• M32: 45,325,312 km (0.109 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: 215 - 11,415 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit