🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.31 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.7

Radius: 11

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.29 AU - 2.93 AU

Year: 2964 Days

Day: 9 Hours

Environment

Temp: -212 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,752,926 km

• M1: 137,630 km (0.092 R)
• M2: 481,406 km (0.088 R)
• M3: 848,370 km (0.066 R)
• M4: 1,724,564 km (0.071 R)
• M5: 2,337,916 km (0.092 R)
• M6: 2,909,529 km (0.097 R)
• M7: 3,647,794 km (0.119 R)
• M8: 4,798,501 km (0.077 R)
• M9: 6,738,038 km (0.083 R)
• M10: 8,459,161 km (0.031 R)
• M11: 10,930,668 km (0.092 R)
• M12: 12,838,788 km (0.12 R)
• M13: 14,664,182 km (0.029 R)
• M14: 17,745,449 km (0.096 R)
• M15: 20,674,575 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.9

Radius: 13

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.68 AU - 3.9 AU

Year: 5186 Days

Day: 14.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,752,926 km

• M1: 170,542 km (0.111 R)
• M2: 589,416 km (0.047 R)
• M3: 1,007,242 km (0.104 R)
• M4: 1,497,026 km (0.119 R)
• M5: 2,249,653 km (0.075 R)
• M6: 2,662,992 km (0.106 R)
• M7: 3,108,644 km (0.117 R)
• M8: 4,016,254 km (0.1 R)
• M9: 4,435,427 km (0.115 R)
• M10: 4,858,490 km (0.109 R)
• M11: 5,473,786 km (0.065 R)
• M12: 6,416,103 km (0.073 R)
• M13: 7,191,768 km (0.08 R)
• M14: 8,969,140 km (0.108 R)
• M15: 9,405,368 km (0.099 R)
• M16: 17,902,826 km (0.108 R)
• M17: 21,481,057 km (0.059 R)
• M18: 23,737,442 km (0.052 R)
• M19: 24,268,066 km (0.069 R)
• M20: 25,748,337 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.5

Radius: 10.9

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.92 AU - 4.3 AU

Year: 5857 Days

Day: 11.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,752,926 km

• M1: 135,536 km (0.079 R)
• M2: 1,381,985 km (0.073 R)
• M3: 1,817,913 km (0.032 R)
• M4: 2,730,760 km (0.098 R)
• M5: 3,281,579 km (0.094 R)
• M6: 3,925,448 km (0.082 R)
• M7: 5,643,879 km (0.087 R)
• M8: 7,913,279 km (0.044 R)
• M9: 8,859,186 km (0.068 R)
• M10: 9,323,238 km (0.103 R)
• M11: 9,803,448 km (0.084 R)
• M12: 11,097,020 km (0.094 R)
• M13: 14,020,163 km (0.082 R)
• M14: 18,094,311 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.2

Radius: 14.1

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.06 AU - 5.42 AU

Year: 7254 Days

Day: 10.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,752,926 km

• M1: 176,376 km (0.113 R)
• M2: 631,004 km (0.108 R)
• M3: 1,421,030 km (0.114 R)
• M4: 1,933,253 km (0.088 R)
• M5: 2,836,076 km (0.071 R)
• M6: 3,281,878 km (0.053 R)
• M7: 4,004,585 km (0.076 R)
• M8: 4,621,078 km (0.078 R)
• M9: 5,709,552 km (0.064 R)
• M10: 8,868,611 km (0.105 R)
• M11: 9,321,743 km (0.053 R)
• M12: 9,920,732 km (0.1 R)
• M13: 10,364,440 km (0.111 R)
• M14: 12,578,638 km (0.071 R)
• M15: 13,151,897 km (0.092 R)
• M16: 14,071,924 km (0.103 R)
• M17: 15,208,868 km (0.12 R)
• M18: 16,653,085 km (0.07 R)
• M19: 17,601,087 km (0.068 R)
• M20: 20,733,517 km (0.118 R)
• M21: 22,204,962 km (0.071 R)
• M22: 23,043,458 km (0.119 R)
• M23: 25,852,008 km (0.11 R)
• M24: 28,346,403 km (0.115 R)
• M25: 28,971,722 km (0.094 R)
• M26: 30,528,737 km (0.102 R)
• M27: 31,091,374 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 622.6

Radius: 3.9

Gravity: 40.93 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.45 AU - 8.65 AU

Year: 13158 Days

Day: 21.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 55,752,926 km

• M1: 48,919 km (0.102 R)
• M2: 312,660 km (0.07 R)
• M3: 467,942 km (0.063 R)
• M4: 602,131 km (0.045 R)
• M5: 1,050,327 km (0.079 R)
• M6: 1,284,447 km (0.078 R)
• M7: 1,507,797 km (0.046 R)
• M8: 1,789,639 km (0.105 R)
• M9: 1,925,624 km (0.067 R)
• M10: 2,050,388 km (0.079 R)
• M11: 2,847,296 km (0.058 R)
• M12: 3,057,032 km (0.033 R)
• M13: 3,252,258 km (0.111 R)
• M14: 3,859,625 km (0.045 R)
• M15: 4,087,762 km (0.101 R)
• M16: 5,721,819 km (0.101 R)
• M17: 6,247,506 km (0.118 R)
• M18: 10,638,503 km (0.094 R)
• M19: 13,069,169 km (0.054 R)
• M20: 14,311,430 km (0.102 R)
• M21: 16,430,035 km (0.103 R)
• M22: 16,952,880 km (0.096 R)
• M23: 18,748,652 km (0.109 R)
• M24: 23,926,833 km (0.103 R)
• M25: 25,380,476 km (0.038 R)
• M26: 26,179,328 km (0.101 R)
• M27: 27,408,723 km (0.119 R)
• M28: 29,652,093 km (0.104 R)
• M29: 32,130,331 km (0.119 R)
• M30: 35,727,412 km (0.042 R)
• M31: 38,399,081 km (0.059 R)
• M32: 38,922,673 km (0.078 R)
• M33: 43,001,908 km (0.116 R)
• M34: 44,999,488 km (0.055 R)
• M35: 49,178,355 km (0.107 R)
• M36: 50,262,042 km (0.116 R)
• M37: 52,798,773 km (0.088 R)
• M38: 53,283,620 km (0.047 R)
• M39: 53,608,547 km (0.065 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 157 - 10,364 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit