🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.3

Radius: 12.2

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.72 AU - 1.02 AU

Year: 532 Days

Day: 7.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,475,635 km

• M1: 153,188 km (0.108 R)
• M2: 707,448 km (0.025 R)
• M3: 1,266,944 km (0.076 R)
• M4: 2,336,420 km (0.098 R)
• M5: 3,946,691 km (0.092 R)
• M6: 4,821,390 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.2

Radius: 11.6

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.8 AU - 1 AU

Year: 560 Days

Day: 12.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,475,635 km

• M1: 144,362 km (0.091 R)
• M2: 505,042 km (0.095 R)
• M3: 982,110 km (0.056 R)
• M4: 1,640,041 km (0.104 R)
• M5: 2,045,302 km (0.089 R)
• M6: 2,508,607 km (0.105 R)
• M7: 3,128,241 km (0.114 R)
• M8: 3,698,059 km (0.095 R)
• M9: 4,474,921 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.7

Radius: 11.4

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.43 AU - 2.53 AU

Year: 2562 Days

Day: 11.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,475,635 km

• M1: 141,819 km (0.117 R)
• M2: 515,215 km (0.08 R)
• M3: 938,278 km (0.107 R)
• M4: 3,144,846 km (0.05 R)
• M5: 3,684,596 km (0.093 R)
• M6: 4,589,064 km (0.114 R)
• M7: 6,699,292 km (0.094 R)
• M8: 7,166,336 km (0.099 R)
• M9: 8,013,060 km (0.051 R)
• M10: 8,413,683 km (0.113 R)
• M11: 8,957,920 km (0.092 R)
• M12: 9,423,469 km (0.051 R)
• M13: 12,565,473 km (0.112 R)
• M14: 12,981,056 km (0.106 R)
• M15: 15,432,516 km (0.119 R)
• M16: 16,395,927 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405

Radius: 13.5

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.94 AU - 4.58 AU

Year: 4783 Days

Day: 5.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,475,635 km

• M1: 180,864 km (0.05 R)
• M2: 676,033 km (0.101 R)
• M3: 1,540,858 km (0.109 R)
• M4: 2,193,254 km (0.079 R)
• M5: 3,149,783 km (0.047 R)
• M6: 3,724,239 km (0.104 R)
• M7: 5,963,719 km (0.069 R)
• M8: 7,321,918 km (0.103 R)
• M9: 7,851,495 km (0.028 R)
• M10: 8,585,571 km (0.063 R)
• M11: 9,100,188 km (0.114 R)
• M12: 10,895,063 km (0.074 R)
• M13: 13,154,590 km (0.063 R)
• M14: 18,522,012 km (0.052 R)
• M15: 19,258,482 km (0.104 R)
• M16: 21,053,208 km (0.086 R)
• M17: 21,585,776 km (0.098 R)
• M18: 23,592,482 km (0.108 R)
• M19: 24,094,981 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475

Radius: 14.4

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.36 AU - 4.42 AU

Year: 5033 Days

Day: 6.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,475,635 km

• M1: 179,069 km (0.087 R)
• M2: 789,877 km (0.025 R)
• M3: 1,785,301 km (0.109 R)
• M4: 2,284,359 km (0.076 R)
• M5: 3,091,440 km (0.058 R)
• M6: 4,148,947 km (0.115 R)
• M7: 4,713,081 km (0.093 R)
• M8: 6,910,374 km (0.11 R)
• M9: 9,642,480 km (0.053 R)
• M10: 11,655,021 km (0.038 R)
• M11: 12,495,611 km (0.116 R)
• M12: 14,935,403 km (0.113 R)
• M13: 16,497,354 km (0.055 R)
• M14: 19,168,125 km (0.097 R)
• M15: 19,813,340 km (0.119 R)
• M16: 26,764,705 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.4

Radius: 11

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.3 AU - 6.76 AU

Year: 8531 Days

Day: 13.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,475,635 km

• M1: 136,732 km (0.115 R)
• M2: 500,704 km (0.095 R)
• M3: 1,519,615 km (0.041 R)
• M4: 1,926,372 km (0.071 R)
• M5: 4,209,385 km (0.088 R)
• M6: 5,807,090 km (0.118 R)
• M7: 7,695,913 km (0.093 R)
• M8: 8,142,911 km (0.119 R)
• M9: 10,544,256 km (0.11 R)
• M10: 15,968,526 km (0.037 R)
• M11: 16,831,855 km (0.119 R)
• M12: 19,089,586 km (0.119 R)
• M13: 24,370,540 km (0.068 R)
• M14: 25,873,700 km (0.109 R)
• M15: 26,418,685 km (0.111 R)
• M16: 27,909,577 km (0.117 R)
• M17: 32,193,163 km (0.12 R)
• M18: 33,142,062 km (0.073 R)
• M19: 34,436,233 km (0.097 R)
• M20: 36,213,905 km (0.116 R)
• M21: 40,924,293 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404.4

Radius: 4.1

Gravity: 24.06 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 6.6 AU - 7 AU

Year: 11632 Days

Day: 17.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,475,635 km

• M1: 54,454 km (0.03 R)
• M2: 360,531 km (0.111 R)
• M3: 761,902 km (0.041 R)
• M4: 5,025,740 km (0.054 R)
• M5: 5,537,664 km (0.095 R)
• M6: 6,119,002 km (0.091 R)
• M7: 7,645,498 km (0.111 R)
• M8: 8,899,278 km (0.108 R)
• M9: 9,128,612 km (0.093 R)
• M10: 11,265,318 km (0.115 R)
• M11: 11,642,155 km (0.117 R)
• M12: 13,412,347 km (0.079 R)
• M13: 17,050,417 km (0.116 R)
• M14: 17,261,949 km (0.088 R)
• M15: 20,096,230 km (0.077 R)
• M16: 20,810,111 km (0.063 R)
• M17: 21,458,767 km (0.069 R)
• M18: 22,372,661 km (0.103 R)
• M19: 22,967,462 km (0.107 R)
• M20: 24,635,029 km (0.059 R)
• M21: 29,204,048 km (0.117 R)
• M22: 34,083,032 km (0.09 R)
• M23: 34,531,228 km (0.113 R)
• M24: 36,831,744 km (0.099 R)
• M25: 40,470,862 km (0.082 R)
• M26: 42,506,290 km (0.105 R)
• M27: 42,895,394 km (0.111 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 17,977 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit