🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.5

Radius: 15

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.02 AU - 1.14 AU

Year: 736 Days

Day: 5 Hours

Environment

Temp: -173 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,502,061 km

• M1: 186,549 km (0.109 R)
• M2: 712,684 km (0.113 R)
• M3: 1,249,591 km (0.107 R)
• M4: 1,934,001 km (0.118 R)
• M5: 2,546,455 km (0.106 R)
• M6: 3,081,267 km (0.05 R)
• M7: 3,565,366 km (0.106 R)
• M8: 4,424,357 km (0.106 R)
• M9: 5,368,170 km (0.108 R)
• M10: 5,932,603 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.5

Radius: 10.8

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.32 AU - 1.8 AU

Year: 1278 Days

Day: 6.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,502,061 km

• M1: 134,339 km (0.055 R)
• M2: 732,431 km (0.108 R)
• M3: 1,957,488 km (0.066 R)
• M4: 2,433,359 km (0.108 R)
• M5: 3,731,270 km (0.105 R)
• M6: 4,113,941 km (0.106 R)
• M7: 7,292,298 km (0.108 R)
• M8: 7,866,754 km (0.049 R)
• M9: 8,414,880 km (0.113 R)
• M10: 9,772,780 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.7

Radius: 10.3

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.49 AU - 1.63 AU

Year: 1278 Days

Day: 7.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,502,061 km

• M1: 128,056 km (0.116 R)
• M2: 633,547 km (0.1 R)
• M3: 1,368,372 km (0.094 R)
• M4: 1,909,916 km (0.08 R)
• M5: 2,236,638 km (0.104 R)
• M6: 2,669,275 km (0.108 R)
• M7: 3,196,607 km (0.108 R)
• M8: 3,733,664 km (0.046 R)
• M9: 4,218,510 km (0.055 R)
• M10: 4,727,891 km (0.073 R)
• M11: 6,172,259 km (0.117 R)
• M12: 6,569,890 km (0.058 R)
• M13: 6,918,004 km (0.083 R)
• M14: 7,510,112 km (0.052 R)
• M15: 8,037,295 km (0.056 R)
• M16: 8,847,816 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.9

Radius: 10.5

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.99 AU - 2.59 AU

Year: 2273 Days

Day: 7.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,502,061 km

• M1: 163,211 km (0.111 R)
• M2: 621,130 km (0.114 R)
• M3: 1,074,113 km (0.082 R)
• M4: 1,772,286 km (0.116 R)
• M5: 2,351,978 km (0.1 R)
• M6: 3,307,908 km (0.099 R)
• M7: 5,566,986 km (0.113 R)
• M8: 7,077,026 km (0.08 R)
• M9: 9,130,407 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.7

Radius: 12.4

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.29 AU - 2.61 AU

Year: 2516 Days

Day: 10.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,502,061 km

• M1: 154,535 km (0.077 R)
• M2: 583,432 km (0.089 R)
• M3: 998,715 km (0.076 R)
• M4: 1,549,086 km (0.111 R)
• M5: 2,038,570 km (0.103 R)
• M6: 2,618,262 km (0.089 R)
• M7: 3,971,225 km (0.115 R)
• M8: 8,000,494 km (0.093 R)
• M9: 8,513,914 km (0.094 R)
• M10: 8,988,588 km (0.069 R)
• M11: 11,597,575 km (0.113 R)
• M12: 12,406,002 km (0.106 R)
• M13: 13,251,529 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.1

Radius: 12.5

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.87 AU - 4.79 AU

Year: 5911 Days

Day: 9.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,502,061 km

• M1: 155,432 km (0.088 R)
• M2: 793,467 km (0.057 R)
• M3: 1,257,968 km (0.094 R)
• M4: 1,839,904 km (0.069 R)
• M5: 2,402,243 km (0.117 R)
• M6: 3,309,703 km (0.082 R)
• M7: 4,125,161 km (0.066 R)
• M8: 5,651,808 km (0.103 R)
• M9: 6,719,787 km (0.092 R)
• M10: 7,149,282 km (0.079 R)
• M11: 8,173,728 km (0.042 R)
• M12: 9,374,700 km (0.05 R)
• M13: 9,912,056 km (0.062 R)
• M14: 11,368,840 km (0.069 R)
• M15: 12,913,438 km (0.113 R)
• M16: 13,475,477 km (0.054 R)
• M17: 15,773,001 km (0.077 R)
• M18: 17,752,929 km (0.095 R)
• M19: 18,448,409 km (0.109 R)
• M20: 19,161,842 km (0.114 R)
• M21: 23,532,493 km (0.053 R)
• M22: 29,131,343 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.8

Radius: 10

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.37 AU - 4.47 AU

Year: 6096 Days

Day: 14.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,502,061 km

• M1: 124,316 km (0.096 R)
• M2: 649,255 km (0.057 R)
• M3: 1,237,773 km (0.068 R)
• M4: 2,314,728 km (0.072 R)
• M5: 3,055,088 km (0.105 R)
• M6: 4,094,195 km (0.065 R)
• M7: 5,000,907 km (0.083 R)
• M8: 5,818,460 km (0.045 R)
• M9: 6,539,671 km (0.076 R)
• M10: 11,405,042 km (0.08 R)
• M11: 12,980,607 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197.8

Radius: 5.2

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 5.82 AU - 7.62 AU

Year: 11428 Days

Day: 20.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,502,061 km

• M1: 64,626 km (0.086 R)
• M2: 321,037 km (0.034 R)
• M3: 485,295 km (0.065 R)
• M4: 686,355 km (0.116 R)
• M5: 1,007,242 km (0.107 R)
• M6: 1,484,011 km (0.05 R)
• M7: 1,858,454 km (0.109 R)
• M8: 2,446,972 km (0.104 R)
• M9: 3,495,354 km (0.082 R)
• M10: 3,863,515 km (0.104 R)
• M11: 4,131,295 km (0.112 R)
• M12: 4,359,432 km (0.112 R)
• M13: 4,569,317 km (0.072 R)
• M14: 5,298,607 km (0.087 R)
• M15: 6,167,471 km (0.108 R)
• M16: 8,144,108 km (0.079 R)
• M17: 8,503,442 km (0.047 R)
• M18: 9,557,210 km (0.099 R)
• M19: 9,956,935 km (0.054 R)
• M20: 11,971,570 km (0.116 R)
• M21: 14,472,696 km (0.05 R)
• M22: 16,849,208 km (0.067 R)
• M23: 18,707,663 km (0.085 R)
• M24: 21,820,944 km (0.087 R)
• M25: 24,105,154 km (0.04 R)
• M26: 26,112,159 km (0.106 R)
• M27: 26,630,815 km (0.048 R)
• M28: 28,137,564 km (0.093 R)
• M29: 30,933,549 km (0.093 R)
• M30: 31,514,138 km (0.117 R)
• M31: 32,299,527 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 195.6

Radius: 7.7

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.41 AU - 8.93 AU

Year: 12595 Days

Day: 23.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,502,061 km

• M1: 101,876 km (0.072 R)
• M2: 1,287,589 km (0.102 R)
• M3: 1,724,564 km (0.075 R)
• M4: 2,480,931 km (0.084 R)
• M5: 5,110,862 km (0.046 R)
• M6: 6,338,611 km (0.096 R)
• M7: 6,647,830 km (0.039 R)
• M8: 7,259,536 km (0.096 R)
• M9: 8,226,237 km (0.077 R)
• M10: 11,089,092 km (0.094 R)
• M11: 12,421,410 km (0.084 R)
• M12: 12,906,407 km (0.101 R)
• M13: 16,468,930 km (0.073 R)
• M14: 21,702,313 km (0.104 R)
• M15: 22,091,417 km (0.072 R)
• M16: 22,406,021 km (0.094 R)
• M17: 24,776,998 km (0.087 R)
• M18: 29,438,318 km (0.052 R)
• M19: 31,575,024 km (0.1 R)
• M20: 32,175,211 km (0.112 R)
• M21: 32,783,027 km (0.106 R)
• M22: 36,154,664 km (0.075 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 617.3

Radius: 6.9

Gravity: 12.97 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 7.32 AU - 7.42 AU

Year: 13125 Days

Day: 21 Hours

Environment

Temp: -216 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,502,061 km

• M1: 86,019 km (0.035 R)
• M2: 403,615 km (0.104 R)
• M3: 628,909 km (0.087 R)
• M4: 1,048,681 km (0.064 R)
• M5: 1,752,689 km (0.117 R)
• M6: 2,187,869 km (0.065 R)
• M7: 2,502,772 km (0.103 R)
• M8: 3,794,400 km (0.031 R)
• M9: 4,250,375 km (0.035 R)
• M10: 4,615,842 km (0.086 R)
• M11: 5,102,035 km (0.093 R)
• M12: 6,291,338 km (0.091 R)
• M13: 6,766,461 km (0.096 R)
• M14: 7,180,399 km (0.083 R)
• M15: 7,436,809 km (0.068 R)
• M16: 8,667,252 km (0.064 R)
• M17: 11,936,414 km (0.058 R)
• M18: 13,293,117 km (0.115 R)
• M19: 14,477,035 km (0.103 R)
• M20: 15,658,409 km (0.116 R)
• M21: 17,975,830 km (0.105 R)
• M22: 18,608,928 km (0.065 R)
• M23: 22,179,680 km (0.108 R)
• M24: 23,840,665 km (0.094 R)
• M25: 25,286,678 km (0.106 R)
• M26: 26,181,871 km (0.112 R)
• M27: 31,089,878 km (0.057 R)
• M28: 35,210,851 km (0.062 R)
• M29: 45,237,947 km (0.046 R)
• M30: 46,113,693 km (0.107 R)
• M31: 47,898,994 km (0.055 R)
• M32: 53,045,610 km (0.096 R)
• M33: 53,530,905 km (0.072 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 19,313 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit