🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363

Radius: 14.2

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.71 AU - 0.89 AU

Year: 462 Days

Day: 9.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 93,405,751 km

• M1: 176,675 km (0.109 R)
• M2: 753,824 km (0.085 R)
• M3: 1,451,399 km (0.096 R)
• M4: 1,893,610 km (0.058 R)
• M5: 2,515,937 km (0.11 R)
• M6: 4,039,292 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.3

Radius: 11.2

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.71 AU - 0.99 AU

Year: 506 Days

Day: 11.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 93,405,751 km

• M1: 139,276 km (0.098 R)
• M2: 489,933 km (0.094 R)
• M3: 907,909 km (0.049 R)
• M4: 1,281,605 km (0.055 R)
• M5: 1,752,988 km (0.113 R)
• M6: 2,934,213 km (0.105 R)
• M7: 3,495,354 km (0.086 R)
• M8: 4,034,206 km (0.117 R)
• M9: 5,471,243 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.2

Radius: 15

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.6 AU - 1.8 AU

Year: 1431 Days

Day: 10 Hours

Environment

Temp: -183 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 93,405,751 km

• M1: 186,698 km (0.031 R)
• M2: 998,865 km (0.11 R)
• M3: 4,471,630 km (0.098 R)
• M4: 5,081,989 km (0.109 R)
• M5: 5,597,354 km (0.117 R)
• M6: 7,331,792 km (0.115 R)
• M7: 8,749,680 km (0.117 R)
• M8: 10,737,836 km (0.104 R)
• M9: 11,244,524 km (0.031 R)
• M10: 11,802,524 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.9

Radius: 13.8

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.47 AU - 1.97 AU

Year: 1456 Days

Day: 15 Hours

Environment

Temp: -178 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 93,405,751 km

• M1: 171,589 km (0.036 R)
• M2: 613,501 km (0.11 R)
• M3: 1,054,067 km (0.069 R)
• M4: 1,641,388 km (0.082 R)
• M5: 2,078,962 km (0.097 R)
• M6: 2,513,394 km (0.043 R)
• M7: 3,184,340 km (0.076 R)
• M8: 4,201,456 km (0.047 R)
• M9: 4,868,962 km (0.096 R)
• M10: 5,875,307 km (0.106 R)
• M11: 6,506,759 km (0.088 R)
• M12: 7,207,476 km (0.071 R)
• M13: 8,035,949 km (0.099 R)
• M14: 8,705,100 km (0.101 R)
• M15: 9,324,435 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817

Radius: 14.6

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.86 AU - 3.68 AU

Year: 3818 Days

Day: 12 Hours

Environment

Temp: -200 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 93,405,751 km

• M1: 182,809 km (0.053 R)
• M2: 777,460 km (0.056 R)
• M3: 1,263,204 km (0.075 R)
• M4: 1,946,717 km (0.114 R)
• M5: 2,651,622 km (0.11 R)
• M6: 3,939,361 km (0.084 R)
• M7: 4,554,358 km (0.09 R)
• M8: 5,050,723 km (0.053 R)
• M9: 6,036,573 km (0.084 R)
• M10: 7,785,971 km (0.071 R)
• M11: 8,317,193 km (0.072 R)
• M12: 9,295,413 km (0.056 R)
• M13: 9,975,784 km (0.067 R)
• M14: 10,433,554 km (0.087 R)
• M15: 10,992,601 km (0.075 R)
• M16: 11,571,545 km (0.107 R)
• M17: 12,359,477 km (0.058 R)
• M18: 13,431,944 km (0.11 R)
• M19: 15,156,059 km (0.067 R)
• M20: 15,874,279 km (0.058 R)
• M21: 16,557,193 km (0.081 R)
• M22: 17,319,245 km (0.048 R)
• M23: 18,474,888 km (0.118 R)
• M24: 20,007,518 km (0.098 R)
• M25: 21,007,431 km (0.064 R)
• M26: 22,463,167 km (0.11 R)
• M27: 23,543,414 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.7

Radius: 12.7

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.62 AU - 3.92 AU

Year: 4726 Days

Day: 13.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 93,405,751 km

• M1: 159,621 km (0.104 R)
• M2: 588,817 km (0.076 R)
• M3: 995,275 km (0.047 R)
• M4: 1,516,623 km (0.064 R)
• M5: 1,953,599 km (0.081 R)
• M6: 2,559,919 km (0.082 R)
• M7: 4,058,141 km (0.094 R)
• M8: 4,549,122 km (0.1 R)
• M9: 5,190,747 km (0.101 R)
• M10: 5,681,278 km (0.083 R)
• M11: 6,394,112 km (0.061 R)
• M12: 6,856,669 km (0.077 R)
• M13: 8,814,606 km (0.108 R)
• M14: 9,857,303 km (0.087 R)
• M15: 10,657,801 km (0.071 R)
• M16: 11,453,063 km (0.079 R)
• M17: 15,619,065 km (0.095 R)
• M18: 17,143,916 km (0.104 R)
• M19: 17,652,100 km (0.083 R)
• M20: 21,791,024 km (0.06 R)
• M21: 24,965,341 km (0.066 R)
• M22: 27,561,313 km (0.092 R)
• M23: 27,996,344 km (0.084 R)
• M24: 28,524,275 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.6

Radius: 12

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.63 AU - 4.71 AU

Year: 5498 Days

Day: 11.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 93,405,751 km

• M1: 149,448 km (0.084 R)
• M2: 908,657 km (0.038 R)
• M3: 1,696,889 km (0.067 R)
• M4: 3,613,836 km (0.073 R)
• M5: 5,133,601 km (0.098 R)
• M6: 6,247,656 km (0.114 R)
• M7: 6,946,128 km (0.109 R)
• M8: 7,389,836 km (0.106 R)
• M9: 9,595,806 km (0.074 R)
• M10: 9,991,941 km (0.068 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.5

Radius: 9.7

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.17 AU - 6.19 AU

Year: 7612 Days

Day: 14.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 93,405,751 km

• M1: 120,576 km (0.062 R)
• M2: 607,966 km (0.075 R)
• M3: 1,417,141 km (0.112 R)
• M4: 1,956,740 km (0.05 R)
• M5: 2,808,401 km (0.036 R)
• M6: 3,284,272 km (0.095 R)
• M7: 4,654,139 km (0.027 R)
• M8: 5,915,848 km (0.09 R)
• M9: 6,335,470 km (0.099 R)
• M10: 8,345,018 km (0.12 R)
• M11: 8,694,927 km (0.035 R)
• M12: 11,858,025 km (0.042 R)
• M13: 12,754,714 km (0.103 R)
• M14: 16,049,308 km (0.051 R)
• M15: 17,006,136 km (0.109 R)
• M16: 17,498,613 km (0.085 R)
• M17: 19,411,521 km (0.118 R)
• M18: 19,872,132 km (0.053 R)
• M19: 23,302,412 km (0.057 R)
• M20: 26,918,491 km (0.047 R)
• M21: 29,058,788 km (0.095 R)
• M22: 32,370,735 km (0.116 R)
• M23: 38,036,755 km (0.069 R)
• M24: 38,758,116 km (0.096 R)
• M25: 39,488,602 km (0.118 R)
• M26: 40,977,250 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 86

Radius: 5.9

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5.63 AU - 8.53 AU

Year: 12164 Days

Day: 23.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 93,405,751 km

• M1: 73,602 km (0.074 R)
• M2: 795,262 km (0.093 R)
• M3: 1,466,209 km (0.108 R)
• M4: 2,542,416 km (0.04 R)
• M5: 5,204,809 km (0.112 R)
• M6: 6,511,247 km (0.026 R)
• M7: 7,844,015 km (0.107 R)
• M8: 8,094,741 km (0.088 R)
• M9: 8,313,752 km (0.031 R)
• M10: 10,169,514 km (0.102 R)
• M11: 10,424,728 km (0.038 R)
• M12: 10,859,609 km (0.03 R)
• M13: 11,719,048 km (0.096 R)
• M14: 13,067,075 km (0.057 R)
• M15: 18,408,766 km (0.093 R)
• M16: 18,661,138 km (0.107 R)
• M17: 27,267,503 km (0.09 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 951.9

Radius: 4.6

Gravity: 44.99 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 9.07 AU - 12.63 AU

Year: 23076 Days

Day: 21.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 93,405,751 km

• M1: 57,595 km (0.108 R)
• M2: 271,969 km (0.117 R)
• M3: 2,577,571 km (0.111 R)
• M4: 3,824,170 km (0.103 R)
• M5: 4,268,925 km (0.108 R)
• M6: 4,559,294 km (0.112 R)
• M7: 5,680,231 km (0.067 R)
• M8: 6,585,448 km (0.114 R)
• M9: 10,772,842 km (0.089 R)
• M10: 13,107,167 km (0.118 R)
• M11: 13,954,639 km (0.057 R)
• M12: 15,672,920 km (0.117 R)
• M13: 16,363,015 km (0.109 R)
• M14: 17,163,364 km (0.026 R)
• M15: 25,105,963 km (0.115 R)
• M16: 30,856,506 km (0.118 R)
• M17: 34,754,428 km (0.068 R)
• M18: 37,426,096 km (0.058 R)
• M19: 40,551,644 km (0.089 R)
• M20: 57,790,555 km (0.081 R)
• M21: 66,756,255 km (0.079 R)
• M22: 71,802,640 km (0.05 R)
• M23: 72,509,789 km (0.112 R)
• M24: 79,085,214 km (0.095 R)
• M25: 85,517,623 km (0.117 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: 483 - 14,229 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit