🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.62 AU - 0.68 AU

Year: 333 Days

Day: 45.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.2

Radius: 9.1

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.71 AU - 0.97 AU

Year: 489 Days

Day: 7.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,669,906 km

• M1: 113,246 km (0.11 R)
• M2: 396,434 km (0.057 R)
• M3: 682,316 km (0.077 R)
• M4: 983,905 km (0.064 R)
• M5: 1,270,984 km (0.115 R)
• M6: 1,643,931 km (0.094 R)
• M7: 1,979,180 km (0.073 R)
• M8: 2,644,442 km (0.104 R)
• M9: 3,212,465 km (0.074 R)
• M10: 3,767,622 km (0.075 R)
• M11: 4,144,459 km (0.085 R)
• M12: 4,472,677 km (0.057 R)
• M13: 4,973,980 km (0.089 R)
• M14: 5,631,462 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.6

Radius: 10.4

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.52 AU - 2.94 AU

Year: 2868 Days

Day: 8.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,669,906 km

• M1: 129,402 km (0.098 R)
• M2: 628,161 km (0.113 R)
• M3: 1,037,910 km (0.037 R)
• M4: 1,408,464 km (0.063 R)
• M5: 1,837,810 km (0.106 R)
• M6: 2,353,922 km (0.107 R)
• M7: 2,895,018 km (0.112 R)
• M8: 3,678,163 km (0.061 R)
• M9: 5,639,840 km (0.101 R)
• M10: 7,240,986 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.1

Radius: 14.1

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.64 AU - 3.88 AU

Year: 3742 Days

Day: 11.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,669,906 km

• M1: 178,021 km (0.109 R)
• M2: 671,096 km (0.114 R)
• M3: 1,475,334 km (0.113 R)
• M4: 2,088,237 km (0.118 R)
• M5: 2,917,308 km (0.107 R)
• M6: 3,454,963 km (0.114 R)
• M7: 5,279,758 km (0.107 R)
• M8: 5,949,208 km (0.086 R)
• M9: 9,763,954 km (0.066 R)
• M10: 10,300,113 km (0.072 R)
• M11: 11,141,152 km (0.098 R)
• M12: 14,085,238 km (0.052 R)
• M13: 15,684,888 km (0.104 R)
• M14: 16,368,251 km (0.099 R)
• M15: 17,964,460 km (0.106 R)
• M16: 19,362,153 km (0.09 R)
• M17: 20,831,055 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.2

Radius: 13.6

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.1 AU - 5.96 AU

Year: 7173 Days

Day: 11.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,669,906 km

• M1: 169,195 km (0.073 R)
• M2: 735,722 km (0.108 R)
• M3: 1,381,536 km (0.094 R)
• M4: 1,971,700 km (0.093 R)
• M5: 3,060,324 km (0.067 R)
• M6: 3,689,831 km (0.101 R)
• M7: 4,427,050 km (0.093 R)
• M8: 5,012,127 km (0.08 R)
• M9: 6,168,070 km (0.069 R)
• M10: 6,659,648 km (0.12 R)
• M11: 9,113,203 km (0.098 R)
• M12: 9,561,548 km (0.104 R)
• M13: 14,090,324 km (0.113 R)
• M14: 15,783,772 km (0.113 R)
• M15: 20,194,366 km (0.102 R)
• M16: 21,676,283 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641.1

Radius: 3.6

Gravity: 49.47 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 8.62 AU - 9.5 AU

Year: 17339 Days

Day: 22.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,669,906 km

• M1: 45,777 km (0.113 R)
• M2: 735,722 km (0.106 R)
• M3: 1,063,790 km (0.089 R)
• M4: 1,375,852 km (0.116 R)
• M5: 2,059,364 km (0.057 R)
• M6: 2,344,797 km (0.089 R)
• M7: 3,279,485 km (0.06 R)
• M8: 4,244,241 km (0.077 R)
• M9: 4,948,398 km (0.113 R)
• M10: 5,309,677 km (0.098 R)
• M11: 9,121,281 km (0.045 R)
• M12: 9,389,810 km (0.102 R)
• M13: 11,173,615 km (0.107 R)
• M14: 11,357,321 km (0.113 R)
• M15: 12,568,465 km (0.097 R)
• M16: 13,307,628 km (0.096 R)
• M17: 13,792,774 km (0.074 R)
• M18: 13,933,546 km (0.065 R)
• M19: 14,871,973 km (0.059 R)
• M20: 18,961,231 km (0.051 R)
• M21: 23,740,733 km (0.098 R)
• M22: 25,602,479 km (0.107 R)
• M23: 26,244,104 km (0.054 R)
• M24: 26,786,995 km (0.032 R)
• M25: 27,559,369 km (0.091 R)
• M26: 29,148,547 km (0.113 R)
• M27: 31,401,491 km (0.074 R)
• M28: 31,767,557 km (0.116 R)
• M29: 37,467,684 km (0.065 R)
• M30: 43,509,793 km (0.073 R)
• M31: 45,659,664 km (0.117 R)
• M32: 54,264,234 km (0.119 R)
• M33: 55,499,164 km (0.098 R)
• M34: 61,383,447 km (0.092 R)
• M35: 62,146,995 km (0.059 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: 290 - 15,536 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit