🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.7

Radius: 9.3

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.45 AU - 0.61 AU

Year: 257 Days

Day: 12.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,506,394 km

• M1: 116,537 km (0.076 R)
• M2: 447,896 km (0.056 R)
• M3: 967,300 km (0.058 R)
• M4: 1,485,058 km (0.061 R)
• M5: 1,885,681 km (0.043 R)
• M6: 2,275,084 km (0.102 R)
• M7: 2,662,992 km (0.093 R)
• M8: 3,155,767 km (0.095 R)
• M9: 3,765,678 km (0.08 R)
• M10: 4,160,766 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.8

Radius: 8.7

Gravity: 12.01 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.68 AU - 0.9 AU

Year: 468 Days

Day: 5.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,506,394 km

• M1: 111,450 km (0.111 R)
• M2: 449,242 km (0.117 R)
• M3: 820,844 km (0.047 R)
• M4: 1,133,653 km (0.094 R)
• M5: 1,659,340 km (0.075 R)
• M6: 1,974,692 km (0.08 R)
• M7: 2,378,606 km (0.029 R)
• M8: 3,076,031 km (0.11 R)
• M9: 3,713,618 km (0.11 R)
• M10: 4,496,912 km (0.097 R)
• M11: 4,984,751 km (0.088 R)
• M12: 5,283,946 km (0.082 R)
• M13: 5,648,068 km (0.087 R)
• M14: 6,662,192 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.1

Radius: 8

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.92 AU - 0.96 AU

Year: 608 Days

Day: 12.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,506,394 km

• M1: 99,782 km (0.103 R)
• M2: 354,697 km (0.098 R)
• M3: 750,981 km (0.049 R)
• M4: 1,595,611 km (0.06 R)
• M5: 2,483,773 km (0.097 R)
• M6: 2,750,506 km (0.029 R)
• M7: 3,291,752 km (0.086 R)
• M8: 3,668,289 km (0.111 R)
• M9: 4,058,740 km (0.069 R)
• M10: 4,617,189 km (0.092 R)
• M11: 5,886,527 km (0.093 R)
• M12: 6,482,076 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.4

Radius: 14.1

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.95 AU - 3.81 AU

Year: 4144 Days

Day: 9.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,506,394 km

• M1: 175,478 km (0.063 R)
• M2: 755,619 km (0.107 R)
• M3: 1,274,275 km (0.066 R)
• M4: 2,449,665 km (0.113 R)
• M5: 2,921,198 km (0.115 R)
• M6: 3,413,524 km (0.092 R)
• M7: 4,210,881 km (0.077 R)
• M8: 4,971,885 km (0.099 R)
• M9: 6,028,046 km (0.057 R)
• M10: 6,673,262 km (0.071 R)
• M11: 8,102,520 km (0.095 R)
• M12: 9,084,480 km (0.108 R)
• M13: 14,781,766 km (0.057 R)
• M14: 15,559,076 km (0.051 R)
• M15: 18,433,001 km (0.077 R)
• M16: 21,223,600 km (0.032 R)
• M17: 23,680,595 km (0.098 R)
• M18: 24,668,240 km (0.109 R)
• M19: 25,921,421 km (0.115 R)
• M20: 26,482,862 km (0.078 R)
• M21: 26,970,402 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 460.3

Radius: 4.8

Gravity: 19.98 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 6.84 AU - 9.02 AU

Year: 14892 Days

Day: 17.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 130 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 73,506,394 km

• M1: 59,690 km (0.075 R)
• M2: 510,428 km (0.068 R)
• M3: 666,159 km (0.117 R)
• M4: 1,066,034 km (0.112 R)
• M5: 1,506,899 km (0.077 R)
• M6: 1,851,722 km (0.032 R)
• M7: 2,527,157 km (0.112 R)
• M8: 3,481,591 km (0.052 R)
• M9: 4,377,682 km (0.045 R)
• M10: 4,750,181 km (0.067 R)
• M11: 4,944,210 km (0.074 R)
• M12: 5,629,667 km (0.099 R)
• M13: 5,810,531 km (0.099 R)
• M14: 6,376,310 km (0.101 R)
• M15: 7,973,417 km (0.08 R)
• M16: 12,230,524 km (0.062 R)
• M17: 13,030,723 km (0.06 R)
• M18: 15,498,489 km (0.081 R)
• M19: 15,997,996 km (0.053 R)
• M20: 16,954,076 km (0.054 R)
• M21: 19,223,027 km (0.09 R)
• M22: 19,882,754 km (0.064 R)
• M23: 20,387,497 km (0.091 R)
• M24: 29,448,042 km (0.084 R)
• M25: 33,173,926 km (0.038 R)
• M26: 36,072,834 km (0.102 R)
• M27: 40,462,185 km (0.101 R)
• M28: 40,865,800 km (0.089 R)
• M29: 41,544,376 km (0.069 R)
• M30: 46,653,442 km (0.119 R)
• M31: 47,693,297 km (0.119 R)
• M32: 53,608,547 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 72.5

Radius: 6.6

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.47 AU - 9.69 AU

Year: 15316 Days

Day: 16.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,506,394 km

• M1: 83,775 km (0.105 R)
• M2: 419,772 km (0.082 R)
• M3: 1,161,777 km (0.089 R)
• M4: 2,747,514 km (0.083 R)
• M5: 4,258,004 km (0.05 R)
• M6: 4,580,388 km (0.081 R)
• M7: 5,944,122 km (0.089 R)
• M8: 6,442,731 km (0.11 R)
• M9: 6,702,284 km (0.046 R)
• M10: 7,921,207 km (0.099 R)
• M11: 9,037,656 km (0.092 R)
• M12: 11,110,185 km (0.061 R)
• M13: 14,067,286 km (0.111 R)
• M14: 14,895,161 km (0.109 R)
• M15: 17,636,243 km (0.034 R)
• M16: 18,598,306 km (0.104 R)
• M17: 19,125,340 km (0.05 R)
• M18: 29,145,854 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 580.3

Radius: 4.1

Gravity: 34.52 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 8.45 AU - 9.27 AU

Year: 17587 Days

Day: 17.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,506,394 km

• M1: 59,690 km (0.076 R)
• M2: 353,051 km (0.099 R)
• M3: 1,120,338 km (0.098 R)
• M4: 1,851,722 km (0.071 R)
• M5: 2,600,759 km (0.059 R)
• M6: 3,209,323 km (0.091 R)
• M7: 6,478,037 km (0.08 R)
• M8: 8,758,507 km (0.083 R)
• M9: 9,069,969 km (0.114 R)
• M10: 12,343,620 km (0.115 R)
• M11: 16,640,220 km (0.056 R)
• M12: 17,441,466 km (0.12 R)
• M13: 18,436,591 km (0.115 R)
• M14: 20,358,176 km (0.069 R)
• M15: 25,213,375 km (0.099 R)
• M16: 26,376,199 km (0.103 R)
• M17: 29,961,462 km (0.108 R)
• M18: 34,367,867 km (0.103 R)
• M19: 35,402,486 km (0.092 R)
• M20: 39,187,013 km (0.089 R)
• M21: 53,505,773 km (0.113 R)
• M22: 61,063,008 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 536

Radius: 3.8

Gravity: 37.12 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 9.28 AU - 10.96 AU

Year: 21468 Days

Day: 21.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,506,394 km

• M1: 51,611 km (0.068 R)
• M2: 244,593 km (0.086 R)
• M3: 383,270 km (0.047 R)
• M4: 757,115 km (0.048 R)
• M5: 1,167,761 km (0.06 R)
• M6: 1,558,361 km (0.099 R)
• M7: 1,694,645 km (0.119 R)
• M8: 3,361,614 km (0.044 R)
• M9: 4,748,685 km (0.064 R)
• M10: 6,390,522 km (0.082 R)
• M11: 9,011,028 km (0.032 R)
• M12: 9,451,743 km (0.115 R)
• M13: 9,620,789 km (0.118 R)
• M14: 10,139,594 km (0.095 R)
• M15: 11,550,302 km (0.063 R)
• M16: 12,673,333 km (0.101 R)
• M17: 15,756,246 km (0.108 R)
• M18: 16,073,693 km (0.105 R)
• M19: 23,865,797 km (0.114 R)
• M20: 24,389,689 km (0.059 R)
• M21: 25,351,902 km (0.118 R)
• M22: 25,787,531 km (0.119 R)
• M23: 26,561,850 km (0.117 R)
• M24: 30,178,229 km (0.114 R)
• M25: 32,677,411 km (0.075 R)
• M26: 35,446,467 km (0.115 R)
• M27: 42,813,863 km (0.111 R)
• M28: 43,276,570 km (0.082 R)
• M29: 47,426,415 km (0.12 R)
• M30: 49,428,034 km (0.067 R)
• M31: 55,221,660 km (0.067 R)
• M32: 55,403,871 km (0.12 R)
• M33: 55,953,194 km (0.075 R)
• M34: 60,478,978 km (0.11 R)
• M35: 62,632,290 km (0.103 R)
• M36: 66,060,026 km (0.082 R)
• M37: 71,324,525 km (0.049 R)
• M38: 73,286,202 km (0.156 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 19,184 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit