🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.2

Radius: 9.4

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.26 AU - 1.52 AU

Year: 1058 Days

Day: 14.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,898,730 km

• M1: 118,182 km (0.066 R)
• M2: 447,597 km (0.081 R)
• M3: 755,918 km (0.028 R)
• M4: 1,092,513 km (0.077 R)
• M5: 1,499,270 km (0.075 R)
• M6: 2,005,808 km (0.096 R)
• M7: 2,422,289 km (0.111 R)
• M8: 2,932,866 km (0.118 R)
• M9: 3,656,172 km (0.077 R)
• M10: 4,975,775 km (0.052 R)
• M11: 5,303,693 km (0.053 R)
• M12: 7,419,905 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288

Radius: 14.2

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.73 AU - 2.07 AU

Year: 1691 Days

Day: 5.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,898,730 km

• M1: 176,675 km (0.07 R)
• M2: 628,012 km (0.114 R)
• M3: 1,180,926 km (0.069 R)
• M4: 1,925,624 km (0.101 R)
• M5: 2,418,250 km (0.088 R)
• M6: 2,890,979 km (0.028 R)
• M7: 4,010,869 km (0.094 R)
• M8: 4,662,068 km (0.114 R)
• M9: 5,264,349 km (0.095 R)
• M10: 5,982,419 km (0.107 R)
• M11: 6,764,965 km (0.116 R)
• M12: 7,242,183 km (0.063 R)
• M13: 7,922,254 km (0.052 R)
• M14: 8,783,190 km (0.119 R)
• M15: 9,586,830 km (0.081 R)
• M16: 10,533,336 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.7

Radius: 13.6

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.54 AU - 4.14 AU

Year: 3941 Days

Day: 5.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,898,730 km

• M1: 169,195 km (0.074 R)
• M2: 647,908 km (0.047 R)
• M3: 1,449,903 km (0.11 R)
• M4: 2,480,632 km (0.104 R)
• M5: 3,442,546 km (0.109 R)
• M6: 4,323,079 km (0.097 R)
• M7: 5,431,899 km (0.092 R)
• M8: 6,068,587 km (0.039 R)
• M9: 7,422,747 km (0.048 R)
• M10: 9,903,229 km (0.098 R)
• M11: 10,328,835 km (0.115 R)
• M12: 11,633,030 km (0.065 R)
• M13: 17,527,036 km (0.115 R)
• M14: 19,181,140 km (0.05 R)
• M15: 20,249,418 km (0.078 R)
• M16: 22,359,047 km (0.088 R)
• M17: 23,617,614 km (0.119 R)
• M18: 25,712,732 km (0.059 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.8

Radius: 3.3

Gravity: 62.61 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.43 AU - 8.47 AU

Year: 11830 Days

Day: 24.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,898,730 km

• M1: 42,635 km (0.118 R)
• M2: 181,612 km (0.099 R)
• M3: 488,587 km (0.084 R)
• M4: 1,681,330 km (0.101 R)
• M5: 1,810,284 km (0.078 R)
• M6: 3,490,268 km (0.047 R)
• M7: 4,004,137 km (0.109 R)
• M8: 4,947,950 km (0.105 R)
• M9: 6,607,888 km (0.08 R)
• M10: 8,095,190 km (0.086 R)
• M11: 8,232,221 km (0.086 R)
• M12: 10,531,989 km (0.114 R)
• M13: 11,422,695 km (0.106 R)
• M14: 12,122,963 km (0.091 R)
• M15: 12,242,342 km (0.106 R)
• M16: 12,362,618 km (0.093 R)
• M17: 15,419,651 km (0.112 R)
• M18: 16,129,343 km (0.119 R)
• M19: 21,541,794 km (0.063 R)
• M20: 24,652,383 km (0.096 R)
• M21: 26,015,818 km (0.069 R)
• M22: 39,689,811 km (0.074 R)
• M23: 41,558,438 km (0.047 R)
• M24: 51,005,693 km (0.102 R)
• M25: 51,629,816 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 493.3

Radius: 5.5

Gravity: 16.31 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 5.94 AU - 9.36 AU

Year: 13662 Days

Day: 15.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,898,730 km

• M1: 68,665 km (0.088 R)
• M2: 272,867 km (0.086 R)
• M3: 510,278 km (0.117 R)
• M4: 686,355 km (0.105 R)
• M5: 1,040,453 km (0.036 R)
• M6: 1,265,748 km (0.061 R)
• M7: 1,657,544 km (0.072 R)
• M8: 2,036,775 km (0.083 R)
• M9: 2,452,059 km (0.03 R)
• M10: 2,637,410 km (0.094 R)
• M11: 3,630,142 km (0.032 R)
• M12: 4,599,387 km (0.093 R)
• M13: 5,044,889 km (0.095 R)
• M14: 6,132,914 km (0.11 R)
• M15: 7,800,781 km (0.116 R)
• M16: 8,762,546 km (0.052 R)
• M17: 10,269,894 km (0.053 R)
• M18: 11,309,449 km (0.118 R)
• M19: 11,883,756 km (0.113 R)
• M20: 12,357,233 km (0.117 R)
• M21: 12,720,307 km (0.087 R)
• M22: 14,376,954 km (0.039 R)
• M23: 15,050,743 km (0.064 R)
• M24: 17,123,571 km (0.109 R)
• M25: 20,535,898 km (0.076 R)
• M26: 21,737,917 km (0.111 R)
• M27: 27,016,179 km (0.106 R)
• M28: 28,773,206 km (0.105 R)
• M29: 30,058,251 km (0.115 R)
• M30: 33,906,507 km (0.068 R)
• M31: 38,581,740 km (0.042 R)
• M32: 39,617,854 km (0.088 R)
• M33: 41,206,733 km (0.1 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 152 - 17,217 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit