🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.9

Radius: 8.7

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.43 AU - 0.65 AU

Year: 265 Days

Day: 6.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,582,282 km

• M1: 108,159 km (0.108 R)
• M2: 415,732 km (0.112 R)
• M3: 695,481 km (0.113 R)
• M4: 994,227 km (0.083 R)
• M5: 1,413,849 km (0.059 R)
• M6: 1,823,448 km (0.109 R)
• M7: 2,367,536 km (0.062 R)
• M8: 2,647,284 km (0.096 R)
• M9: 2,987,170 km (0.055 R)
• M10: 3,600,671 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.3

Radius: 13.7

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.81 AU - 0.95 AU

Year: 550 Days

Day: 10 Hours

Environment

Temp: -166 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,582,282 km

• M1: 170,392 km (0.11 R)
• M2: 683,961 km (0.069 R)
• M3: 1,612,964 km (0.073 R)
• M4: 2,315,625 km (0.061 R)
• M5: 2,837,124 km (0.04 R)
• M6: 3,424,295 km (0.113 R)
• M7: 4,007,428 km (0.046 R)
• M8: 5,204,959 km (0.077 R)
• M9: 5,851,072 km (0.093 R)
• M10: 6,317,518 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.7

Radius: 12.3

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.89 AU - 1.23 AU

Year: 728 Days

Day: 13.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,582,282 km

• M1: 153,039 km (0.097 R)
• M2: 541,694 km (0.118 R)
• M3: 1,278,912 km (0.087 R)
• M4: 2,069,088 km (0.089 R)
• M5: 2,750,058 km (0.066 R)
• M6: 3,313,443 km (0.078 R)
• M7: 4,294,955 km (0.1 R)
• M8: 5,353,509 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910

Radius: 8.3

Gravity: 13.21 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.13 AU - 2.61 AU

Year: 2433 Days

Day: 9.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,582,282 km

• M1: 103,223 km (0.064 R)
• M2: 375,191 km (0.118 R)
• M3: 638,484 km (0.091 R)
• M4: 964,308 km (0.068 R)
• M5: 1,333,964 km (0.038 R)
• M6: 1,617,003 km (0.056 R)
• M7: 1,891,665 km (0.071 R)
• M8: 2,184,279 km (0.085 R)
• M9: 2,959,644 km (0.112 R)
• M10: 3,768,969 km (0.074 R)
• M11: 4,472,677 km (0.079 R)
• M12: 4,763,944 km (0.108 R)
• M13: 6,112,120 km (0.104 R)
• M14: 6,903,493 km (0.113 R)
• M15: 7,540,630 km (0.112 R)
• M16: 9,143,721 km (0.043 R)
• M17: 10,802,013 km (0.117 R)
• M18: 13,009,180 km (0.079 R)
• M19: 15,450,169 km (0.106 R)
• M20: 17,511,478 km (0.115 R)
• M21: 18,180,928 km (0.107 R)
• M22: 19,452,510 km (0.092 R)
• M23: 20,170,580 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.2

Radius: 8.4

Gravity: 13.15 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.6 AU - 2.96 AU

Year: 3091 Days

Day: 5.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,582,282 km

• M1: 104,719 km (0.084 R)
• M2: 830,717 km (0.073 R)
• M3: 1,377,647 km (0.069 R)
• M4: 1,830,180 km (0.106 R)
• M5: 2,203,427 km (0.085 R)
• M6: 2,997,493 km (0.069 R)
• M7: 3,822,375 km (0.028 R)
• M8: 4,938,076 km (0.114 R)
• M9: 6,463,376 km (0.113 R)
• M10: 7,662,553 km (0.104 R)
• M11: 8,385,858 km (0.118 R)
• M12: 11,126,940 km (0.051 R)
• M13: 12,235,759 km (0.084 R)
• M14: 13,809,978 km (0.112 R)
• M15: 17,588,222 km (0.074 R)
• M16: 18,059,754 km (0.063 R)
• M17: 19,713,259 km (0.067 R)
• M18: 21,936,134 km (0.088 R)
• M19: 22,482,466 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.1

Radius: 9.6

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.05 AU - 3.19 AU

Year: 3675 Days

Day: 6.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,582,282 km

• M1: 123,269 km (0.072 R)
• M2: 497,263 km (0.116 R)
• M3: 1,092,064 km (0.116 R)
• M4: 1,610,870 km (0.073 R)
• M5: 1,988,455 km (0.072 R)
• M6: 2,584,154 km (0.028 R)
• M7: 3,180,451 km (0.032 R)
• M8: 3,613,387 km (0.051 R)
• M9: 4,671,194 km (0.106 R)
• M10: 5,023,048 km (0.12 R)
• M11: 6,276,229 km (0.055 R)
• M12: 8,328,562 km (0.102 R)
• M13: 9,706,957 km (0.109 R)
• M14: 10,074,070 km (0.114 R)
• M15: 11,455,307 km (0.063 R)
• M16: 12,571,008 km (0.081 R)
• M17: 16,352,543 km (0.038 R)
• M18: 18,069,328 km (0.107 R)
• M19: 19,772,650 km (0.108 R)
• M20: 20,363,561 km (0.111 R)
• M21: 21,237,811 km (0.06 R)
• M22: 24,159,009 km (0.035 R)
• M23: 24,758,747 km (0.109 R)
• M24: 25,599,636 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.8

Radius: 12.9

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.6 AU - 3.7 AU

Year: 3728 Days

Day: 5.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,582,282 km

• M1: 160,369 km (0.094 R)
• M2: 757,863 km (0.033 R)
• M3: 1,477,429 km (0.037 R)
• M4: 2,353,623 km (0.074 R)
• M5: 2,839,368 km (0.093 R)
• M6: 3,971,973 km (0.081 R)
• M7: 5,858,103 km (0.111 R)
• M8: 6,696,449 km (0.03 R)
• M9: 7,243,678 km (0.108 R)
• M10: 8,575,100 km (0.102 R)
• M11: 10,610,678 km (0.067 R)
• M12: 12,229,626 km (0.086 R)
• M13: 13,497,318 km (0.109 R)
• M14: 15,672,023 km (0.075 R)
• M15: 17,524,493 km (0.115 R)
• M16: 18,441,528 km (0.079 R)
• M17: 22,932,007 km (0.055 R)
• M18: 23,954,808 km (0.113 R)
• M19: 24,477,503 km (0.107 R)
• M20: 25,237,310 km (0.049 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.8

Radius: 14.4

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.72 AU - 4.06 AU

Year: 5116 Days

Day: 6.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,582,282 km

• M1: 179,069 km (0.115 R)
• M2: 630,405 km (0.117 R)
• M3: 1,442,273 km (0.098 R)
• M4: 1,938,489 km (0.064 R)
• M5: 2,602,255 km (0.062 R)
• M6: 3,565,964 km (0.098 R)
• M7: 4,266,382 km (0.099 R)
• M8: 5,667,366 km (0.089 R)
• M9: 7,538,985 km (0.046 R)
• M10: 8,778,403 km (0.087 R)
• M11: 9,662,975 km (0.097 R)
• M12: 11,028,804 km (0.092 R)
• M13: 13,422,519 km (0.094 R)
• M14: 13,973,488 km (0.114 R)
• M15: 17,214,526 km (0.08 R)
• M16: 19,009,701 km (0.061 R)
• M17: 19,564,858 km (0.094 R)
• M18: 21,147,604 km (0.07 R)
• M19: 22,892,065 km (0.058 R)
• M20: 27,892,224 km (0.071 R)
• M21: 28,790,858 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120.9

Radius: 6.2

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.41 AU - 6.19 AU

Year: 9315 Days

Day: 23.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,582,282 km

• M1: 77,342 km (0.074 R)
• M2: 294,109 km (0.104 R)
• M3: 597,344 km (0.081 R)
• M4: 1,211,294 km (0.091 R)
• M5: 1,652,757 km (0.038 R)
• M6: 2,138,352 km (0.084 R)
• M7: 2,697,848 km (0.119 R)
• M8: 2,922,394 km (0.09 R)
• M9: 3,713,767 km (0.118 R)
• M10: 4,215,967 km (0.103 R)
• M11: 5,682,924 km (0.032 R)
• M12: 6,379,302 km (0.081 R)
• M13: 6,842,457 km (0.108 R)
• M14: 8,330,956 km (0.099 R)
• M15: 14,962,031 km (0.091 R)
• M16: 15,393,920 km (0.088 R)
• M17: 15,723,335 km (0.103 R)
• M18: 21,043,035 km (0.111 R)
• M19: 22,067,182 km (0.061 R)
• M20: 23,993,853 km (0.058 R)
• M21: 25,111,199 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 904.8

Radius: 5.3

Gravity: 32.21 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 8.43 AU - 11.13 AU

Year: 20396 Days

Day: 21.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 84,582,282 km

• M1: 82,428 km (0.077 R)
• M2: 405,709 km (0.114 R)
• M3: 654,790 km (0.109 R)
• M4: 978,220 km (0.118 R)
• M5: 1,842,896 km (0.07 R)
• M6: 2,148,525 km (0.108 R)
• M7: 5,515,673 km (0.096 R)
• M8: 6,019,669 km (0.088 R)
• M9: 6,194,399 km (0.115 R)
• M10: 8,563,581 km (0.088 R)
• M11: 9,296,460 km (0.106 R)
• M12: 9,589,074 km (0.071 R)
• M13: 9,887,970 km (0.052 R)
• M14: 11,409,530 km (0.085 R)
• M15: 17,160,372 km (0.104 R)
• M16: 18,321,401 km (0.094 R)
• M17: 20,111,190 km (0.059 R)
• M18: 21,299,745 km (0.079 R)
• M19: 25,713,630 km (0.091 R)
• M20: 26,993,889 km (0.118 R)
• M21: 27,350,231 km (0.104 R)
• M22: 28,438,256 km (0.089 R)
• M23: 32,540,529 km (0.099 R)
• M24: 33,487,633 km (0.092 R)
• M25: 34,732,138 km (0.037 R)
• M26: 37,020,387 km (0.092 R)
• M27: 45,650,089 km (0.097 R)
• M28: 46,836,251 km (0.073 R)
• M29: 50,338,188 km (0.093 R)
• M30: 56,104,886 km (0.119 R)
• M31: 57,465,329 km (0.031 R)
• M32: 61,473,206 km (0.087 R)
• M33: 62,503,486 km (0.109 R)
• M34: 71,163,857 km (0.052 R)
• M35: 74,607,151 km (0.107 R)
• M36: 84,582,337 km (0.11 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 19,075 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit