🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.18 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.2

Radius: 12.4

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.89 AU - 2.81 AU

Year: 2402 Days

Day: 12.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,730,677 km

• M1: 154,385 km (0.094 R)
• M2: 546,032 km (0.028 R)
• M3: 1,467,106 km (0.089 R)
• M4: 1,866,981 km (0.046 R)
• M5: 2,300,666 km (0.096 R)
• M6: 2,879,310 km (0.075 R)
• M7: 3,375,676 km (0.025 R)
• M8: 3,813,549 km (0.105 R)
• M9: 7,534,048 km (0.119 R)
• M10: 9,193,836 km (0.107 R)
• M11: 9,725,507 km (0.05 R)
• M12: 10,504,164 km (0.111 R)
• M13: 11,284,018 km (0.1 R)
• M14: 11,688,231 km (0.094 R)
• M15: 12,915,383 km (0.064 R)
• M16: 14,556,172 km (0.068 R)
• M17: 15,525,716 km (0.108 R)
• M18: 16,745,387 km (0.103 R)
• M19: 18,247,948 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.3

Radius: 8.4

Gravity: 11.67 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.2 AU - 3.62 AU

Year: 3310 Days

Day: 5.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,730,677 km

• M1: 104,419 km (0.118 R)
• M2: 497,712 km (0.037 R)
• M3: 766,689 km (0.107 R)
• M4: 1,374,804 km (0.089 R)
• M5: 3,014,098 km (0.109 R)
• M6: 3,864,861 km (0.082 R)
• M7: 5,780,462 km (0.071 R)
• M8: 6,061,407 km (0.076 R)
• M9: 6,620,454 km (0.108 R)
• M10: 7,605,855 km (0.099 R)
• M11: 8,469,334 km (0.059 R)
• M12: 9,904,725 km (0.081 R)
• M13: 10,185,820 km (0.104 R)
• M14: 11,364,202 km (0.069 R)
• M15: 11,672,374 km (0.083 R)
• M16: 14,039,461 km (0.108 R)
• M17: 15,820,872 km (0.065 R)
• M18: 17,806,784 km (0.081 R)
• M19: 18,103,586 km (0.077 R)
• M20: 18,524,405 km (0.108 R)
• M21: 20,273,653 km (0.086 R)
• M22: 21,858,343 km (0.076 R)
• M23: 22,750,246 km (0.038 R)
• M24: 23,452,757 km (0.089 R)
• M25: 24,097,375 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61

Radius: 9.4

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.57 AU - 3.39 AU

Year: 3430 Days

Day: 10.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 119.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,730,677 km

• M1: 117,584 km (0.096 R)
• M2: 718,070 km (0.096 R)
• M3: 1,228,498 km (0.092 R)
• M4: 1,609,224 km (0.105 R)
• M5: 2,236,339 km (0.079 R)
• M6: 2,673,613 km (0.056 R)
• M7: 5,348,273 km (0.12 R)
• M8: 7,503,380 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.6

Radius: 11.8

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.63 AU - 4.61 AU

Year: 5577 Days

Day: 10.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 34,730,677 km

• M1: 151,991 km (0.084 R)
• M2: 543,639 km (0.077 R)
• M3: 936,483 km (0.086 R)
• M4: 1,309,879 km (0.068 R)
• M5: 1,840,951 km (0.066 R)
• M6: 2,478,388 km (0.058 R)
• M7: 3,034,443 km (0.047 R)
• M8: 3,718,105 km (0.058 R)
• M9: 5,663,476 km (0.06 R)
• M10: 6,331,131 km (0.106 R)
• M11: 7,485,728 km (0.107 R)
• M12: 9,067,576 km (0.106 R)
• M13: 9,452,341 km (0.101 R)
• M14: 11,053,487 km (0.109 R)
• M15: 17,652,848 km (0.066 R)
• M16: 18,119,294 km (0.086 R)
• M17: 20,430,432 km (0.097 R)
• M18: 21,467,893 km (0.097 R)
• M19: 21,923,119 km (0.074 R)
• M20: 23,647,683 km (0.072 R)
• M21: 24,378,768 km (0.055 R)
• M22: 26,056,957 km (0.092 R)
• M23: 27,543,062 km (0.096 R)
• M24: 29,924,062 km (0.09 R)
• M25: 31,358,556 km (0.112 R)
• M26: 33,039,139 km (0.073 R)
• M27: 34,571,021 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 935.7

Radius: 4.6

Gravity: 44.22 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 5.44 AU - 7.14 AU

Year: 10520 Days

Day: 20.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 34,730,677 km

• M1: 57,446 km (0.064 R)
• M2: 331,958 km (0.118 R)
• M3: 523,742 km (0.114 R)
• M4: 936,632 km (0.105 R)
• M5: 1,541,008 km (0.092 R)
• M6: 1,758,523 km (0.097 R)
• M7: 2,393,267 km (0.055 R)
• M8: 2,599,861 km (0.079 R)
• M9: 2,773,694 km (0.101 R)
• M10: 2,978,494 km (0.085 R)
• M11: 3,548,013 km (0.119 R)
• M12: 4,549,570 km (0.108 R)
• M13: 5,031,575 km (0.072 R)
• M14: 5,406,168 km (0.062 R)
• M15: 6,096,861 km (0.119 R)
• M16: 7,176,808 km (0.051 R)
• M17: 11,633,030 km (0.107 R)
• M18: 15,856,327 km (0.077 R)
• M19: 17,336,598 km (0.028 R)
• M20: 18,906,478 km (0.109 R)
• M21: 21,260,101 km (0.12 R)
• M22: 25,736,668 km (0.072 R)
• M23: 26,640,538 km (0.102 R)
• M24: 28,617,923 km (0.079 R)
• M25: 33,449,785 km (0.108 R)
• M26: 36,998,545 km (0.085 R)
• M27: 38,148,953 km (0.069 R)
• M28: 39,719,581 km (0.055 R)
• M29: 48,071,929 km (0.075 R)
• M30: 48,829,194 km (0.075 R)
• M31: 54,354,591 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 708

Radius: 4.3

Gravity: 38.29 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.45 AU - 8.05 AU

Year: 11695 Days

Day: 24.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 34,730,677 km

• M1: 54,005 km (0.107 R)
• M2: 197,768 km (0.119 R)
• M3: 377,435 km (0.087 R)
• M4: 665,561 km (0.06 R)
• M5: 805,734 km (0.12 R)
• M6: 1,685,669 km (0.112 R)
• M7: 1,984,715 km (0.083 R)
• M8: 2,241,126 km (0.091 R)
• M9: 2,560,816 km (0.119 R)
• M10: 4,477,015 km (0.109 R)
• M11: 5,456,882 km (0.12 R)
• M12: 9,541,951 km (0.109 R)
• M13: 9,849,673 km (0.036 R)
• M14: 10,702,531 km (0.037 R)
• M15: 10,978,838 km (0.105 R)
• M16: 16,361,968 km (0.107 R)
• M17: 17,100,981 km (0.089 R)
• M18: 17,939,178 km (0.095 R)
• M19: 20,959,709 km (0.059 R)
• M20: 22,185,663 km (0.036 R)
• M21: 22,907,324 km (0.11 R)
• M22: 23,737,741 km (0.11 R)
• M23: 23,925,038 km (0.102 R)
• M24: 24,683,798 km (0.051 R)
• M25: 25,069,013 km (0.109 R)
• M26: 25,458,416 km (0.085 R)
• M27: 28,825,715 km (0.099 R)
• M28: 33,173,777 km (0.098 R)
• M29: 34,474,829 km (0.091 R)
• M30: 34,835,510 km (0.049 R)
• M31: 41,087,504 km (0.093 R)
• M32: 41,222,441 km (0.1 R)
• M33: 44,547,553 km (0.105 R)
• M34: 47,008,289 km (0.048 R)
• M35: 50,170,937 km (0.069 R)
• M36: 50,479,408 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 70.1

Radius: 6.1

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 8.53 AU - 10.31 AU

Year: 19280 Days

Day: 15.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,730,677 km

• M1: 579,243 km (0.11 R)
• M2: 1,088,474 km (0.033 R)
• M3: 1,692,700 km (0.071 R)
• M4: 2,429,469 km (0.053 R)
• M5: 2,831,140 km (0.104 R)
• M6: 4,433,782 km (0.116 R)
• M7: 5,119,239 km (0.091 R)
• M8: 5,352,911 km (0.11 R)
• M9: 5,624,132 km (0.115 R)
• M10: 11,361,509 km (0.037 R)
• M11: 12,479,155 km (0.092 R)
• M12: 13,724,109 km (0.051 R)
• M13: 30,259,610 km (0.096 R)
• M14: 31,411,813 km (0.071 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 18,500 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit