🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.4

Radius: 14.6

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.09 AU - 1.27 AU

Year: 901 Days

Day: 10.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,297,034 km

• M1: 181,612 km (0.097 R)
• M2: 637,137 km (0.1 R)
• M3: 1,251,237 km (0.097 R)
• M4: 1,996,982 km (0.115 R)
• M5: 2,649,378 km (0.045 R)
• M6: 3,303,719 km (0.119 R)
• M7: 4,136,531 km (0.111 R)
• M8: 4,858,191 km (0.059 R)
• M9: 5,484,408 km (0.053 R)
• M10: 5,993,639 km (0.119 R)
• M11: 6,654,712 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.2

Radius: 14.8

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.21 AU - 1.71 AU

Year: 1240 Days

Day: 6.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 79,297,034 km

• M1: 189,092 km (0.089 R)
• M2: 734,526 km (0.07 R)
• M3: 1,259,165 km (0.114 R)
• M4: 2,346,592 km (0.116 R)
• M5: 3,281,878 km (0.11 R)
• M6: 4,710,987 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.1

Radius: 12.7

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.75 AU - 2.01 AU

Year: 1812 Days

Day: 8.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,297,034 km

• M1: 157,975 km (0.117 R)
• M2: 701,016 km (0.101 R)
• M3: 1,119,142 km (0.033 R)
• M4: 2,137,454 km (0.119 R)
• M5: 2,801,071 km (0.051 R)
• M6: 3,548,611 km (0.119 R)
• M7: 4,444,702 km (0.117 R)
• M8: 5,072,565 km (0.091 R)
• M9: 6,607,588 km (0.04 R)
• M10: 7,075,530 km (0.114 R)
• M11: 7,762,185 km (0.116 R)
• M12: 8,402,763 km (0.116 R)
• M13: 9,015,516 km (0.066 R)
• M14: 10,819,965 km (0.087 R)
• M15: 11,434,962 km (0.116 R)
• M16: 11,883,008 km (0.104 R)
• M17: 12,459,558 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.7

Radius: 10.5

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.96 AU - 2.34 AU

Year: 2216 Days

Day: 6.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,297,034 km

• M1: 230,680 km (0.079 R)
• M2: 565,630 km (0.057 R)
• M3: 1,467,854 km (0.081 R)
• M4: 2,191,908 km (0.066 R)
• M5: 2,606,743 km (0.069 R)
• M6: 2,958,148 km (0.073 R)
• M7: 3,757,899 km (0.09 R)
• M8: 4,626,464 km (0.095 R)
• M9: 5,843,293 km (0.095 R)
• M10: 6,915,910 km (0.048 R)
• M11: 8,064,522 km (0.04 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 196

Radius: 3.3

Gravity: 18 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.03 AU - 6.53 AU

Year: 11062 Days

Day: 15.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,297,034 km

• M1: 41,738 km (0.115 R)
• M2: 212,728 km (0.09 R)
• M3: 405,261 km (0.075 R)
• M4: 600,486 km (0.1 R)
• M5: 864,077 km (0.103 R)
• M6: 970,441 km (0.061 R)
• M7: 2,994,501 km (0.066 R)
• M8: 3,499,842 km (0.043 R)
• M9: 4,868,214 km (0.086 R)
• M10: 5,093,209 km (0.066 R)
• M11: 5,840,899 km (0.111 R)
• M12: 6,590,833 km (0.086 R)
• M13: 6,761,973 km (0.083 R)
• M14: 8,640,324 km (0.116 R)
• M15: 10,982,129 km (0.117 R)
• M16: 19,756,643 km (0.1 R)
• M17: 30,364,179 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 688.3

Radius: 6.7

Gravity: 15.33 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.49 AU - 9.33 AU

Year: 15638 Days

Day: 17.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 79,297,034 km

• M1: 83,625 km (0.059 R)
• M2: 447,597 km (0.062 R)
• M3: 725,250 km (0.098 R)
• M4: 965,205 km (0.107 R)
• M5: 1,516,623 km (0.072 R)
• M6: 3,656,022 km (0.099 R)
• M7: 4,342,826 km (0.085 R)
• M8: 5,007,340 km (0.071 R)
• M9: 6,048,691 km (0.119 R)
• M10: 7,272,102 km (0.106 R)
• M11: 7,776,696 km (0.116 R)
• M12: 8,804,433 km (0.102 R)
• M13: 10,030,836 km (0.086 R)
• M14: 11,427,781 km (0.12 R)
• M15: 11,734,307 km (0.098 R)
• M16: 12,428,142 km (0.094 R)
• M17: 14,176,493 km (0.106 R)
• M18: 16,467,734 km (0.044 R)
• M19: 17,987,798 km (0.077 R)
• M20: 19,950,222 km (0.11 R)
• M21: 20,937,419 km (0.075 R)
• M22: 22,051,025 km (0.093 R)
• M23: 22,335,411 km (0.081 R)
• M24: 23,008,751 km (0.108 R)
• M25: 24,904,455 km (0.049 R)
• M26: 26,048,280 km (0.1 R)
• M27: 30,974,838 km (0.059 R)
• M28: 31,212,399 km (0.039 R)
• M29: 36,753,205 km (0.044 R)
• M30: 42,768,086 km (0.07 R)
• M31: 45,930,436 km (0.088 R)
• M32: 50,713,678 km (0.105 R)
• M33: 53,566,210 km (0.106 R)
• M34: 59,772,428 km (0.081 R)
• M35: 64,101,491 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956.5

Radius: 3.6

Gravity: 73.8 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 8.02 AU - 9.36 AU

Year: 18007 Days

Day: 21.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 79,297,034 km

• M1: 63,729 km (0.102 R)
• M2: 317,596 km (0.077 R)
• M3: 641,476 km (0.107 R)
• M4: 888,611 km (0.089 R)
• M5: 1,358,947 km (0.112 R)
• M6: 1,604,736 km (0.112 R)
• M7: 1,784,553 km (0.091 R)
• M8: 4,059,189 km (0.058 R)
• M9: 4,567,373 km (0.068 R)
• M10: 5,958,483 km (0.059 R)
• M11: 6,568,244 km (0.094 R)
• M12: 8,919,474 km (0.086 R)
• M13: 10,070,629 km (0.11 R)
• M14: 13,015,763 km (0.085 R)
• M15: 13,593,211 km (0.076 R)
• M16: 13,962,717 km (0.09 R)
• M17: 15,269,155 km (0.075 R)
• M18: 16,404,454 km (0.117 R)
• M19: 17,334,952 km (0.054 R)
• M20: 20,626,106 km (0.075 R)
• M21: 21,509,481 km (0.039 R)
• M22: 26,649,963 km (0.114 R)
• M23: 27,111,921 km (0.104 R)
• M24: 27,696,999 km (0.103 R)
• M25: 28,290,304 km (0.108 R)
• M26: 34,424,265 km (0.109 R)
• M27: 36,367,242 km (0.087 R)
• M28: 39,715,841 km (0.1 R)
• M29: 41,696,367 km (0.109 R)
• M30: 44,062,407 km (0.081 R)
• M31: 44,708,221 km (0.053 R)
• M32: 45,524,128 km (0.106 R)
• M33: 47,017,863 km (0.083 R)
• M34: 47,354,159 km (0.09 R)
• M35: 48,715,499 km (0.08 R)
• M36: 50,629,754 km (0.074 R)
• M37: 55,539,406 km (0.119 R)
• M38: 57,819,727 km (0.075 R)
• M39: 65,242,175 km (0.063 R)
• M40: 74,408,186 km (0.101 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 13,985 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit