🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559

Radius: 10.7

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.21 AU - 1.93 AU

Year: 1270 Days

Day: 14.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 84,378,930 km

• M1: 133,142 km (0.118 R)
• M2: 479,312 km (0.041 R)
• M3: 881,580 km (0.066 R)
• M4: 1,385,575 km (0.12 R)
• M5: 2,226,316 km (0.097 R)
• M6: 2,709,517 km (0.083 R)
• M7: 3,065,260 km (0.092 R)
• M8: 3,573,145 km (0.112 R)
• M9: 4,019,096 km (0.085 R)
• M10: 5,774,478 km (0.103 R)
• M11: 6,505,563 km (0.071 R)
• M12: 8,314,350 km (0.07 R)
• M13: 9,512,629 km (0.099 R)
• M14: 10,122,241 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.2

Radius: 14.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.41 AU - 1.75 AU

Year: 1282 Days

Day: 8.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,378,930 km

• M1: 181,163 km (0.052 R)
• M2: 680,521 km (0.089 R)
• M3: 1,259,016 km (0.08 R)
• M4: 2,274,486 km (0.082 R)
• M5: 3,812,352 km (0.074 R)
• M6: 4,712,183 km (0.091 R)
• M7: 6,080,854 km (0.05 R)
• M8: 7,332,839 km (0.045 R)

Asteroid Belt

Center: 2.86 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.2

Radius: 10.1

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.2 AU - 5.06 AU

Year: 5419 Days

Day: 14.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 84,378,930 km

• M1: 125,961 km (0.106 R)
• M2: 482,752 km (0.107 R)
• M3: 1,125,275 km (0.115 R)
• M4: 1,719,777 km (0.055 R)
• M5: 2,290,194 km (0.1 R)
• M6: 2,657,157 km (0.08 R)
• M7: 3,063,166 km (0.029 R)
• M8: 3,738,750 km (0.057 R)
• M9: 4,405,358 km (0.055 R)
• M10: 4,948,847 km (0.087 R)
• M11: 5,815,617 km (0.064 R)
• M12: 6,202,777 km (0.115 R)
• M13: 7,209,869 km (0.119 R)
• M14: 8,202,451 km (0.093 R)
• M15: 8,731,579 km (0.041 R)
• M16: 10,693,555 km (0.066 R)
• M17: 12,189,384 km (0.111 R)
• M18: 12,933,185 km (0.085 R)
• M19: 13,876,698 km (0.075 R)
• M20: 16,467,584 km (0.076 R)
• M21: 16,918,023 km (0.059 R)
• M22: 22,665,274 km (0.053 R)
• M23: 23,953,013 km (0.065 R)
• M24: 25,119,128 km (0.112 R)
• M25: 26,585,636 km (0.043 R)
• M26: 27,027,548 km (0.102 R)
• M27: 28,751,963 km (0.117 R)
• M28: 31,721,032 km (0.061 R)
• M29: 32,821,922 km (0.113 R)
• M30: 34,573,115 km (0.117 R)
• M31: 35,311,979 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 393.9

Radius: 3.4

Gravity: 34.07 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 8.7 AU - 11.88 AU

Year: 21313 Days

Day: 17 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,378,930 km

• M1: 49,517 km (0.045 R)
• M2: 312,510 km (0.107 R)
• M3: 1,048,531 km (0.077 R)
• M4: 1,553,424 km (0.038 R)
• M5: 2,589,689 km (0.116 R)
• M6: 2,919,552 km (0.037 R)
• M7: 4,894,992 km (0.085 R)
• M8: 9,211,489 km (0.081 R)
• M9: 9,975,336 km (0.071 R)
• M10: 10,430,113 km (0.062 R)
• M11: 13,798,908 km (0.107 R)
• M12: 15,163,988 km (0.119 R)
• M13: 30,631,510 km (0.076 R)
• M14: 34,584,634 km (0.112 R)
• M15: 41,565,320 km (0.114 R)
• M16: 45,306,164 km (0.083 R)
• M17: 49,591,545 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721.5

Radius: 5.9

Gravity: 20.73 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 8.33 AU - 13.17 AU

Year: 22758 Days

Day: 17.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 84,378,930 km

• M1: 73,453 km (0.102 R)
• M2: 465,997 km (0.103 R)
• M3: 670,049 km (0.089 R)
• M4: 958,922 km (0.094 R)
• M5: 2,418,549 km (0.03 R)
• M6: 2,733,602 km (0.114 R)
• M7: 3,130,635 km (0.073 R)
• M8: 4,240,651 km (0.083 R)
• M9: 4,448,442 km (0.12 R)
• M10: 5,673,798 km (0.091 R)
• M11: 5,926,469 km (0.108 R)
• M12: 6,499,579 km (0.081 R)
• M13: 7,704,590 km (0.079 R)
• M14: 8,225,938 km (0.082 R)
• M15: 8,604,720 km (0.095 R)
• M16: 10,674,855 km (0.118 R)
• M17: 12,910,895 km (0.097 R)
• M18: 13,348,468 km (0.104 R)
• M19: 14,485,711 km (0.105 R)
• M20: 15,359,812 km (0.101 R)
• M21: 19,303,361 km (0.076 R)
• M22: 22,800,959 km (0.041 R)
• M23: 26,001,307 km (0.042 R)
• M24: 28,497,347 km (0.086 R)
• M25: 28,866,405 km (0.031 R)
• M26: 32,333,485 km (0.069 R)
• M27: 34,374,748 km (0.03 R)
• M28: 41,324,467 km (0.102 R)
• M29: 42,914,842 km (0.116 R)
• M30: 44,052,235 km (0.051 R)
• M31: 50,041,685 km (0.081 R)
• M32: 52,030,439 km (0.118 R)
• M33: 53,883,657 km (0.118 R)
• M34: 55,206,850 km (0.114 R)
• M35: 55,972,642 km (0.074 R)
• M36: 61,737,246 km (0.119 R)
• M37: 67,013,862 km (0.103 R)
• M38: 71,672,190 km (0.089 R)
• M39: 73,502,221 km (0.111 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 15,801 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit