🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.4

Radius: 9.9

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.04 AU - 1.16 AU

Year: 745 Days

Day: 11.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 37,943,458 km

• M1: 123,119 km (0.073 R)
• M2: 537,655 km (0.114 R)
• M3: 2,160,941 km (0.104 R)
• M4: 2,931,370 km (0.116 R)
• M5: 3,449,577 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.4

Radius: 13.4

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.19 AU - 1.45 AU

Year: 979 Days

Day: 14.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,943,458 km

• M1: 166,951 km (0.109 R)
• M2: 615,446 km (0.095 R)
• M3: 1,401,283 km (0.106 R)
• M4: 2,436,052 km (0.102 R)
• M5: 2,973,706 km (0.104 R)
• M6: 3,516,148 km (0.093 R)
• M7: 4,058,740 km (0.082 R)
• M8: 4,656,982 km (0.115 R)
• M9: 5,274,372 km (0.06 R)
• M10: 5,988,552 km (0.073 R)
• M11: 6,514,838 km (0.09 R)
• M12: 7,240,387 km (0.108 R)
• M13: 7,993,164 km (0.09 R)
• M14: 8,742,350 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.7

Radius: 9.9

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.46 AU - 1.68 AU

Year: 1270 Days

Day: 10.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,943,458 km

• M1: 123,119 km (0.116 R)
• M2: 491,130 km (0.078 R)
• M3: 935,735 km (0.102 R)
• M4: 1,265,598 km (0.111 R)
• M5: 1,706,164 km (0.039 R)
• M6: 2,104,692 km (0.073 R)
• M7: 3,215,157 km (0.064 R)
• M8: 3,885,206 km (0.07 R)
• M9: 4,392,044 km (0.108 R)
• M10: 5,130,459 km (0.118 R)
• M11: 5,741,417 km (0.062 R)
• M12: 6,123,041 km (0.076 R)
• M13: 6,481,029 km (0.072 R)
• M14: 6,810,892 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.4

Radius: 9.5

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.14 AU - 3.68 AU

Year: 4066 Days

Day: 10 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,943,458 km

• M1: 118,182 km (0.03 R)
• M2: 415,732 km (0.069 R)
• M3: 790,924 km (0.11 R)
• M4: 1,308,533 km (0.072 R)
• M5: 1,701,377 km (0.095 R)
• M6: 2,199,537 km (0.087 R)
• M7: 2,650,425 km (0.056 R)
• M8: 2,973,258 km (0.112 R)
• M9: 3,488,622 km (0.03 R)
• M10: 4,188,740 km (0.1 R)
• M11: 4,538,650 km (0.074 R)
• M12: 5,760,416 km (0.107 R)
• M13: 7,312,494 km (0.03 R)
• M14: 8,151,887 km (0.11 R)
• M15: 9,018,059 km (0.083 R)
• M16: 10,021,262 km (0.091 R)
• M17: 11,179,598 km (0.047 R)
• M18: 11,899,015 km (0.048 R)
• M19: 12,920,918 km (0.05 R)
• M20: 13,808,482 km (0.052 R)
• M21: 15,704,635 km (0.106 R)
• M22: 18,982,923 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 212.6

Radius: 8

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.7 AU - 7.86 AU

Year: 11399 Days

Day: 16.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,943,458 km

• M1: 107,860 km (0.12 R)
• M2: 369,507 km (0.051 R)
• M3: 891,454 km (0.058 R)
• M4: 1,203,216 km (0.049 R)
• M5: 1,536,969 km (0.074 R)
• M6: 2,226,615 km (0.035 R)
• M7: 3,066,756 km (0.072 R)
• M8: 3,627,300 km (0.055 R)
• M9: 4,004,885 km (0.076 R)
• M10: 5,151,253 km (0.099 R)
• M11: 6,103,892 km (0.032 R)
• M12: 8,556,549 km (0.1 R)
• M13: 9,400,281 km (0.115 R)
• M14: 11,750,913 km (0.064 R)
• M15: 12,160,213 km (0.076 R)
• M16: 12,526,279 km (0.109 R)
• M17: 18,316,015 km (0.096 R)
• M18: 20,880,871 km (0.084 R)
• M19: 24,494,407 km (0.119 R)
• M20: 24,743,637 km (0.058 R)
• M21: 25,843,182 km (0.079 R)
• M22: 27,687,574 km (0.09 R)
• M23: 27,958,047 km (0.104 R)
• M24: 28,412,675 km (0.077 R)
• M25: 33,540,291 km (0.116 R)
• M26: 34,157,083 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 101

Radius: 4.5

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 7.22 AU - 11.4 AU

Year: 18342 Days

Day: 23.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 125.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,943,458 km

• M1: 82,728 km (0.089 R)
• M2: 273,315 km (0.111 R)
• M3: 835,355 km (0.099 R)
• M4: 1,228,947 km (0.038 R)
• M5: 1,598,304 km (0.117 R)
• M6: 2,499,032 km (0.082 R)
• M7: 4,735,221 km (0.105 R)
• M8: 6,155,504 km (0.091 R)
• M9: 12,448,338 km (0.115 R)
• M10: 14,374,859 km (0.096 R)
• M11: 14,977,290 km (0.101 R)
• M12: 17,828,925 km (0.092 R)
• M13: 22,352,016 km (0.07 R)
• M14: 22,753,537 km (0.064 R)
• M15: 30,139,483 km (0.11 R)
• M16: 34,528,086 km (0.049 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 18,625 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit