🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.6

Radius: 11.3

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.48 AU - 0.72 AU

Year: 315 Days

Day: 9.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,963,148 km

• M1: 140,472 km (0.115 R)
• M2: 578,046 km (0.05 R)
• M3: 1,503,907 km (0.114 R)
• M4: 2,136,856 km (0.071 R)
• M5: 2,968,022 km (0.106 R)
• M6: 3,322,270 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.1

Radius: 8.2

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.81 AU - 0.89 AU

Year: 532 Days

Day: 6.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 54,963,148 km

• M1: 104,719 km (0.075 R)
• M2: 414,386 km (0.096 R)
• M3: 759,209 km (0.118 R)
• M4: 1,122,582 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.5

Radius: 10.8

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.97 AU - 1.15 AU

Year: 740 Days

Day: 8 Hours

Environment

Temp: -172 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,963,148 km

• M1: 134,488 km (0.051 R)
• M2: 489,634 km (0.098 R)
• M3: 893,249 km (0.096 R)
• M4: 1,267,992 km (0.064 R)
• M5: 1,606,831 km (0.078 R)
• M6: 1,944,922 km (0.084 R)
• M7: 2,361,253 km (0.106 R)
• M8: 2,906,537 km (0.112 R)
• M9: 3,285,768 km (0.087 R)
• M10: 3,824,170 km (0.09 R)
• M11: 4,250,674 km (0.078 R)
• M12: 4,975,625 km (0.118 R)
• M13: 6,244,814 km (0.118 R)
• M14: 6,987,268 km (0.105 R)
• M15: 7,764,429 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207

Radius: 13.7

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.5 AU - 1.84 AU

Year: 1464 Days

Day: 14.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,963,148 km

• M1: 170,392 km (0.083 R)
• M2: 756,816 km (0.112 R)
• M3: 1,332,917 km (0.099 R)
• M4: 1,759,421 km (0.076 R)
• M5: 2,655,661 km (0.043 R)
• M6: 3,454,963 km (0.048 R)
• M7: 4,249,627 km (0.053 R)
• M8: 4,984,601 km (0.057 R)
• M9: 5,590,323 km (0.11 R)
• M10: 6,021,165 km (0.104 R)
• M11: 6,601,604 km (0.045 R)
• M12: 8,803,087 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.3

Radius: 8

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.6 AU - 4.6 AU

Year: 6692 Days

Day: 10.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,963,148 km

• M1: 99,483 km (0.091 R)
• M2: 561,291 km (0.027 R)
• M3: 1,210,247 km (0.092 R)
• M4: 1,852,321 km (0.108 R)
• M5: 2,200,435 km (0.107 R)
• M6: 2,877,964 km (0.096 R)
• M7: 3,617,576 km (0.088 R)
• M8: 6,836,174 km (0.099 R)
• M9: 7,846,408 km (0.09 R)
• M10: 10,090,526 km (0.041 R)
• M11: 11,060,369 km (0.099 R)
• M12: 11,586,953 km (0.101 R)
• M13: 12,976,718 km (0.062 R)
• M14: 13,309,423 km (0.08 R)
• M15: 14,385,780 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 955.8

Radius: 4.4

Gravity: 49.37 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.6 AU - 6.74 AU

Year: 10395 Days

Day: 24.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 159.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,963,148 km

• M1: 55,800 km (0.072 R)
• M2: 271,221 km (0.117 R)
• M3: 425,456 km (0.095 R)
• M4: 731,534 km (0.062 R)
• M5: 1,088,175 km (0.066 R)
• M6: 1,260,063 km (0.116 R)
• M7: 2,064,002 km (0.108 R)
• M8: 2,470,010 km (0.115 R)
• M9: 3,839,130 km (0.102 R)
• M10: 6,357,760 km (0.111 R)
• M11: 10,935,156 km (0.075 R)
• M12: 14,113,961 km (0.111 R)
• M13: 15,133,919 km (0.058 R)
• M14: 16,941,660 km (0.113 R)
• M15: 20,463,942 km (0.096 R)
• M16: 20,634,633 km (0.06 R)
• M17: 27,644,041 km (0.108 R)
• M18: 32,367,295 km (0.118 R)
• M19: 32,832,245 km (0.1 R)
• M20: 46,245,489 km (0.078 R)
• M21: 50,168,095 km (0.096 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 11,079 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit