🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.66 AU - 0.74 AU

Year: 263 Days

Day: 38 Hours

Environment

Temp: -37 °C

Axial Tilt: 108.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.71 AU - 2.75 AU

Year: 1497 Days

Day: 33.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.6

Radius: 9

Gravity: 11.45 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.7 AU - 3.2 AU

Year: 2278 Days

Day: 11.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 174.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 61,262,179 km

• M1: 112,049 km (0.099 R)
• M2: 394,190 km (0.105 R)
• M3: 812,316 km (0.067 R)
• M4: 1,132,605 km (0.105 R)
• M5: 1,833,472 km (0.085 R)
• M6: 2,629,931 km (0.097 R)
• M7: 3,208,874 km (0.094 R)
• M8: 3,492,512 km (0.037 R)
• M9: 3,969,280 km (0.106 R)
• M10: 4,381,422 km (0.038 R)
• M11: 5,316,260 km (0.118 R)
• M12: 5,740,669 km (0.116 R)
• M13: 7,606,902 km (0.089 R)
• M14: 8,179,264 km (0.109 R)
• M15: 8,882,673 km (0.114 R)
• M16: 9,481,363 km (0.108 R)
• M17: 9,957,085 km (0.032 R)
• M18: 11,439,300 km (0.091 R)
• M19: 11,894,527 km (0.088 R)
• M20: 12,665,554 km (0.094 R)
• M21: 13,242,852 km (0.081 R)
• M22: 14,070,877 km (0.11 R)
• M23: 14,738,532 km (0.105 R)
• M24: 15,277,832 km (0.031 R)
• M25: 15,830,147 km (0.098 R)
• M26: 16,240,195 km (0.117 R)
• M27: 17,081,534 km (0.1 R)
• M28: 17,512,974 km (0.112 R)
• M29: 17,896,393 km (0.077 R)
• M30: 19,311,589 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.3

Radius: 9.5

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.3 AU - 3.72 AU

Year: 2348 Days

Day: 9.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,262,179 km

• M1: 118,182 km (0.108 R)
• M2: 548,276 km (0.085 R)
• M3: 875,596 km (0.115 R)
• M4: 1,247,945 km (0.079 R)
• M5: 1,675,347 km (0.078 R)
• M6: 2,060,860 km (0.102 R)
• M7: 2,516,236 km (0.091 R)
• M8: 3,063,166 km (0.106 R)
• M9: 3,629,992 km (0.104 R)
• M10: 5,299,205 km (0.109 R)
• M11: 5,776,273 km (0.04 R)
• M12: 7,038,729 km (0.068 R)
• M13: 8,099,977 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.6

Radius: 8

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.81 AU - 4.99 AU

Year: 4877 Days

Day: 13.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,262,179 km

• M1: 101,427 km (0.032 R)
• M2: 387,758 km (0.06 R)
• M3: 659,427 km (0.096 R)
• M4: 1,122,882 km (0.106 R)
• M5: 1,838,408 km (0.101 R)
• M6: 2,525,362 km (0.073 R)
• M7: 3,563,122 km (0.104 R)
• M8: 6,986,370 km (0.118 R)
• M9: 8,321,082 km (0.072 R)
• M10: 8,885,515 km (0.103 R)
• M11: 14,606,586 km (0.08 R)
• M12: 17,161,269 km (0.055 R)
• M13: 18,191,550 km (0.094 R)
• M14: 18,841,104 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 666.7

Radius: 6.1

Gravity: 17.92 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 8.38 AU - 12.02 AU

Year: 14646 Days

Day: 18.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 61,262,179 km

• M1: 76,445 km (0.097 R)
• M2: 426,803 km (0.118 R)
• M3: 932,294 km (0.113 R)
• M4: 1,151,305 km (0.043 R)
• M5: 1,404,724 km (0.096 R)
• M6: 1,678,787 km (0.109 R)
• M7: 2,024,957 km (0.093 R)
• M8: 2,376,213 km (0.085 R)
• M9: 2,767,261 km (0.059 R)
• M10: 2,978,344 km (0.12 R)
• M11: 3,677,564 km (0.112 R)
• M12: 5,008,836 km (0.077 R)
• M13: 5,467,653 km (0.093 R)
• M14: 5,992,741 km (0.108 R)
• M15: 6,884,943 km (0.073 R)
• M16: 8,002,738 km (0.109 R)
• M17: 8,240,150 km (0.108 R)
• M18: 8,433,281 km (0.098 R)
• M19: 10,649,424 km (0.116 R)
• M20: 11,288,207 km (0.054 R)
• M21: 15,965,534 km (0.066 R)
• M22: 18,643,784 km (0.107 R)
• M23: 18,893,463 km (0.049 R)
• M24: 19,485,123 km (0.045 R)
• M25: 19,742,281 km (0.075 R)
• M26: 25,580,338 km (0.106 R)
• M27: 30,357,746 km (0.115 R)
• M28: 37,784,682 km (0.097 R)
• M29: 39,266,000 km (0.051 R)
• M30: 43,210,298 km (0.096 R)
• M31: 45,880,769 km (0.092 R)
• M32: 52,535,481 km (0.076 R)
• M33: 57,136,663 km (0.073 R)
• M34: 57,663,995 km (0.106 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 19,728 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit