🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.4

Radius: 9.5

Gravity: 10.94 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.36 AU - 1.7 AU

Year: 1262 Days

Day: 5.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,153,120 km

• M1: 118,182 km (0.118 R)
• M2: 490,083 km (0.113 R)
• M3: 975,977 km (0.051 R)
• M4: 1,381,836 km (0.112 R)
• M5: 1,847,085 km (0.09 R)
• M6: 2,528,204 km (0.113 R)
• M7: 3,079,173 km (0.066 R)
• M8: 3,383,754 km (0.078 R)
• M9: 4,125,610 km (0.059 R)
• M10: 4,554,657 km (0.093 R)
• M11: 5,013,324 km (0.11 R)
• M12: 7,429,030 km (0.062 R)
• M13: 7,896,075 km (0.037 R)
• M14: 9,258,911 km (0.077 R)
• M15: 9,865,232 km (0.117 R)
• M16: 11,228,218 km (0.044 R)
• M17: 11,917,864 km (0.109 R)
• M18: 12,216,461 km (0.076 R)
• M19: 13,421,622 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.6

Radius: 9.2

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.83 AU - 2.89 AU

Year: 3225 Days

Day: 8.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,153,120 km

• M1: 116,088 km (0.078 R)
• M2: 626,366 km (0.119 R)
• M3: 1,126,023 km (0.066 R)
• M4: 1,457,083 km (0.059 R)
• M5: 1,753,437 km (0.066 R)
• M6: 3,168,782 km (0.111 R)
• M7: 3,636,575 km (0.071 R)
• M8: 4,603,276 km (0.04 R)
• M9: 5,089,320 km (0.076 R)
• M10: 5,707,458 km (0.095 R)
• M11: 6,979,489 km (0.069 R)
• M12: 8,334,845 km (0.083 R)
• M13: 8,658,426 km (0.119 R)
• M14: 11,920,258 km (0.067 R)
• M15: 13,891,359 km (0.111 R)
• M16: 15,144,391 km (0.108 R)
• M17: 16,776,354 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.4

Radius: 13.3

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.45 AU - 4.21 AU

Year: 4998 Days

Day: 8.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,153,120 km

• M1: 165,455 km (0.028 R)
• M2: 634,594 km (0.115 R)
• M3: 1,127,220 km (0.112 R)
• M4: 2,432,013 km (0.11 R)
• M5: 2,848,343 km (0.114 R)
• M6: 4,700,814 km (0.076 R)
• M7: 5,608,424 km (0.11 R)
• M8: 6,762,273 km (0.079 R)
• M9: 8,560,589 km (0.077 R)
• M10: 9,269,682 km (0.105 R)
• M11: 10,157,995 km (0.069 R)
• M12: 11,177,055 km (0.066 R)
• M13: 12,064,320 km (0.119 R)
• M14: 16,185,442 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.5

Radius: 8

Gravity: 9.63 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.88 AU - 7.12 AU

Year: 11051 Days

Day: 24.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 34,153,120 km

• M1: 99,632 km (0.116 R)
• M2: 476,918 km (0.114 R)
• M3: 1,472,791 km (0.097 R)
• M4: 1,809,835 km (0.078 R)
• M5: 2,480,333 km (0.066 R)
• M6: 3,235,353 km (0.079 R)
• M7: 4,276,255 km (0.094 R)
• M8: 4,568,121 km (0.059 R)
• M9: 4,999,411 km (0.059 R)
• M10: 5,257,767 km (0.107 R)
• M11: 5,943,075 km (0.111 R)
• M12: 7,701,598 km (0.049 R)
• M13: 8,135,132 km (0.042 R)
• M14: 8,956,275 km (0.117 R)
• M15: 9,731,641 km (0.066 R)
• M16: 13,470,091 km (0.111 R)
• M17: 15,080,662 km (0.079 R)
• M18: 21,430,194 km (0.1 R)
• M19: 24,624,857 km (0.062 R)
• M20: 30,310,324 km (0.081 R)
• M21: 30,955,390 km (0.08 R)
• M22: 31,281,364 km (0.092 R)
• M23: 37,793,957 km (0.109 R)
• M24: 42,292,216 km (0.115 R)
• M25: 43,913,258 km (0.107 R)
• M26: 45,295,243 km (0.101 R)
• M27: 47,566,438 km (0.077 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 202.9

Radius: 4.2

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.22 AU - 6.78 AU

Year: 11051 Days

Day: 21.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,153,120 km

• M1: 52,210 km (0.096 R)
• M2: 286,181 km (0.051 R)
• M3: 604,525 km (0.049 R)
• M4: 761,453 km (0.096 R)
• M5: 6,235,389 km (0.064 R)
• M6: 7,529,111 km (0.074 R)
• M7: 8,023,083 km (0.099 R)
• M8: 8,908,104 km (0.099 R)
• M9: 9,722,964 km (0.104 R)
• M10: 10,774,637 km (0.113 R)
• M11: 12,727,338 km (0.109 R)
• M12: 13,047,328 km (0.117 R)
• M13: 13,209,342 km (0.05 R)
• M14: 14,728,210 km (0.111 R)
• M15: 17,186,551 km (0.103 R)
• M16: 17,907,613 km (0.109 R)
• M17: 18,923,233 km (0.046 R)
• M18: 19,550,647 km (0.112 R)
• M19: 26,954,096 km (0.102 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: 267 - 14,216 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit