🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.6

Radius: 11.3

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.98 AU - 1.02 AU

Year: 656 Days

Day: 14.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,147,925 km

• M1: 140,472 km (0.055 R)
• M2: 625,319 km (0.095 R)
• M3: 986,149 km (0.095 R)
• M4: 1,378,544 km (0.083 R)
• M5: 1,788,293 km (0.06 R)
• M6: 2,327,144 km (0.075 R)
• M7: 2,687,975 km (0.091 R)
• M8: 3,051,946 km (0.119 R)
• M9: 3,894,332 km (0.106 R)
• M10: 4,275,058 km (0.096 R)
• M11: 6,393,963 km (0.079 R)
• M12: 6,765,564 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.8

Radius: 10.9

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.97 AU - 1.23 AU

Year: 757 Days

Day: 14 Hours

Environment

Temp: -173 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,147,925 km

• M1: 135,536 km (0.115 R)
• M2: 520,451 km (0.082 R)
• M3: 891,304 km (0.102 R)
• M4: 1,321,398 km (0.075 R)
• M5: 1,746,705 km (0.094 R)
• M6: 2,348,088 km (0.118 R)
• M7: 2,697,998 km (0.117 R)
• M8: 3,406,194 km (0.084 R)
• M9: 4,058,590 km (0.034 R)
• M10: 4,431,687 km (0.114 R)
• M11: 4,810,020 km (0.098 R)
• M12: 5,573,269 km (0.108 R)
• M13: 5,973,892 km (0.057 R)
• M14: 6,743,872 km (0.109 R)
• M15: 7,152,873 km (0.085 R)
• M16: 8,351,451 km (0.103 R)
• M17: 8,877,437 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.4

Radius: 11.4

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.07 AU - 1.29 AU

Year: 841 Days

Day: 9.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,147,925 km

• M1: 141,819 km (0.117 R)
• M2: 617,540 km (0.059 R)
• M3: 988,842 km (0.12 R)
• M4: 1,546,094 km (0.063 R)
• M5: 2,022,114 km (0.096 R)
• M6: 2,378,905 km (0.118 R)
• M7: 2,848,792 km (0.109 R)
• M8: 3,261,084 km (0.119 R)
• M9: 3,902,709 km (0.101 R)
• M10: 4,349,259 km (0.108 R)
• M11: 4,710,687 km (0.093 R)
• M12: 5,937,539 km (0.073 R)
• M13: 6,509,153 km (0.069 R)
• M14: 7,297,833 km (0.072 R)
• M15: 7,858,227 km (0.099 R)
• M16: 8,675,480 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565

Radius: 8.3

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.22 AU - 1.32 AU

Year: 939 Days

Day: 13.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,147,925 km

• M1: 105,167 km (0.087 R)
• M2: 445,353 km (0.111 R)
• M3: 740,809 km (0.072 R)
• M4: 1,081,144 km (0.094 R)
• M5: 1,631,066 km (0.04 R)
• M6: 2,499,182 km (0.04 R)
• M7: 2,779,379 km (0.118 R)
• M8: 3,675,470 km (0.092 R)
• M9: 4,039,591 km (0.065 R)
• M10: 4,361,077 km (0.027 R)
• M11: 4,717,270 km (0.057 R)
• M12: 5,278,262 km (0.071 R)
• M13: 5,964,318 km (0.074 R)
• M14: 6,533,238 km (0.052 R)
• M15: 7,183,989 km (0.071 R)
• M16: 8,001,242 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.6

Radius: 10.5

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.1 AU - 1.52 AU

Year: 984 Days

Day: 6.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,147,925 km

• M1: 130,599 km (0.052 R)
• M2: 765,492 km (0.077 R)
• M3: 1,458,729 km (0.11 R)
• M4: 2,648,780 km (0.087 R)
• M5: 3,704,791 km (0.113 R)
• M6: 4,211,629 km (0.119 R)
• M7: 5,364,729 km (0.111 R)
• M8: 5,909,864 km (0.056 R)
• M9: 6,271,891 km (0.101 R)
• M10: 7,820,378 km (0.088 R)
• M11: 8,575,848 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.6

Radius: 9.2

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.14 AU - 1.8 AU

Year: 1169 Days

Day: 6.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,147,925 km

• M1: 114,442 km (0.055 R)
• M2: 446,550 km (0.114 R)
• M3: 739,612 km (0.12 R)
• M4: 1,224,459 km (0.119 R)
• M5: 1,702,873 km (0.108 R)
• M6: 2,202,380 km (0.097 R)
• M7: 2,901,451 km (0.059 R)
• M8: 3,317,482 km (0.077 R)
• M9: 3,983,043 km (0.062 R)
• M10: 4,772,172 km (0.118 R)
• M11: 5,353,809 km (0.025 R)
• M12: 5,641,037 km (0.089 R)
• M13: 6,336,517 km (0.114 R)
• M14: 6,752,249 km (0.078 R)
• M15: 7,112,481 km (0.111 R)
• M16: 7,976,708 km (0.045 R)
• M17: 9,023,744 km (0.115 R)
• M18: 9,520,708 km (0.094 R)
• M19: 9,974,438 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.3

Radius: 8.3

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.24 AU - 1.84 AU

Year: 1254 Days

Day: 8.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,147,925 km

• M1: 103,223 km (0.109 R)
• M2: 374,294 km (0.056 R)
• M3: 653,144 km (0.074 R)
• M4: 1,018,313 km (0.081 R)
• M5: 2,455,799 km (0.106 R)
• M6: 2,965,179 km (0.09 R)
• M7: 3,318,081 km (0.108 R)
• M8: 4,413,287 km (0.104 R)
• M9: 6,358,358 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.4

Radius: 8.8

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.66 AU - 4.02 AU

Year: 4936 Days

Day: 6.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,147,925 km

• M1: 109,506 km (0.096 R)
• M2: 384,467 km (0.095 R)
• M3: 859,290 km (0.117 R)
• M4: 1,736,981 km (0.105 R)
• M5: 2,358,261 km (0.046 R)
• M6: 2,849,989 km (0.083 R)
• M7: 3,647,196 km (0.119 R)
• M8: 4,182,906 km (0.065 R)
• M9: 4,743,300 km (0.075 R)
• M10: 5,125,522 km (0.097 R)
• M11: 6,235,538 km (0.108 R)
• M12: 8,325,271 km (0.061 R)
• M13: 9,295,712 km (0.097 R)
• M14: 10,249,848 km (0.097 R)
• M15: 11,654,123 km (0.04 R)
• M16: 14,554,676 km (0.046 R)
• M17: 15,304,610 km (0.055 R)
• M18: 16,019,538 km (0.041 R)
• M19: 17,839,247 km (0.08 R)
• M20: 18,232,240 km (0.081 R)
• M21: 18,967,813 km (0.109 R)
• M22: 21,293,163 km (0.063 R)
• M23: 23,488,212 km (0.096 R)
• M24: 25,580,637 km (0.097 R)
• M25: 26,164,518 km (0.073 R)
• M26: 27,014,084 km (0.055 R)
• M27: 28,500,339 km (0.069 R)
• M28: 31,539,719 km (0.116 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953

Radius: 11.4

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.7 AU - 5.04 AU

Year: 7050 Days

Day: 9.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,147,925 km

• M1: 141,819 km (0.077 R)
• M2: 550,071 km (0.115 R)
• M3: 1,001,259 km (0.117 R)
• M4: 1,578,706 km (0.046 R)
• M5: 4,640,825 km (0.109 R)
• M6: 5,173,094 km (0.081 R)
• M7: 5,912,108 km (0.032 R)
• M8: 7,363,806 km (0.117 R)
• M9: 7,720,896 km (0.055 R)
• M10: 8,599,334 km (0.085 R)
• M11: 9,221,213 km (0.068 R)
• M12: 10,356,960 km (0.117 R)
• M13: 11,009,805 km (0.08 R)
• M14: 11,477,747 km (0.075 R)
• M15: 17,122,224 km (0.118 R)
• M16: 20,421,755 km (0.092 R)
• M17: 22,509,692 km (0.092 R)
• M18: 26,825,292 km (0.069 R)
• M19: 28,056,632 km (0.113 R)
• M20: 34,784,198 km (0.114 R)
• M21: 35,793,235 km (0.038 R)
• M22: 37,752,070 km (0.093 R)
• M23: 39,660,041 km (0.03 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382

Radius: 5.1

Gravity: 14.69 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 7.76 AU - 11.92 AU

Year: 20249 Days

Day: 19.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,147,925 km

• M1: 68,815 km (0.092 R)
• M2: 336,595 km (0.091 R)
• M3: 772,523 km (0.104 R)
• M4: 2,413,911 km (0.052 R)
• M5: 4,285,231 km (0.102 R)
• M6: 5,585,087 km (0.105 R)
• M7: 6,324,699 km (0.109 R)
• M8: 6,739,234 km (0.105 R)
• M9: 10,163,380 km (0.084 R)
• M10: 10,616,512 km (0.106 R)
• M11: 13,019,652 km (0.11 R)
• M12: 14,452,949 km (0.106 R)
• M13: 15,171,019 km (0.098 R)
• M14: 41,891,892 km (0.03 R)
• M15: 43,642,636 km (0.073 R)
• M16: 49,026,513 km (0.092 R)
• M17: 53,639,663 km (0.116 R)
• M18: 55,702,318 km (0.095 R)
• M19: 55,876,600 km (0.068 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 13,488 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit