🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.46 AU - 0.64 AU

Year: 263 Days

Day: 40.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,089,766 km

• M1: 323,281 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.4

Radius: 12.2

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.64 AU - 0.94 AU

Year: 453 Days

Day: 9.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 67,089,766 km

• M1: 152,590 km (0.114 R)
• M2: 864,975 km (0.119 R)
• M3: 1,396,496 km (0.074 R)
• M4: 2,201,033 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.1

Radius: 10.4

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.98 AU - 1.58 AU

Year: 935 Days

Day: 9.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,089,766 km

• M1: 129,552 km (0.12 R)
• M2: 580,440 km (0.06 R)
• M3: 1,172,399 km (0.103 R)
• M4: 1,710,502 km (0.06 R)
• M5: 2,224,072 km (0.071 R)
• M6: 2,967,423 km (0.119 R)
• M7: 3,427,437 km (0.056 R)
• M8: 4,304,828 km (0.054 R)
• M9: 6,043,156 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467

Radius: 13.2

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.52 AU - 1.82 AU

Year: 1393 Days

Day: 6.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,089,766 km

• M1: 166,054 km (0.102 R)
• M2: 703,110 km (0.091 R)
• M3: 1,189,303 km (0.062 R)
• M4: 1,663,977 km (0.087 R)
• M5: 2,169,020 km (0.107 R)
• M6: 2,801,669 km (0.068 R)
• M7: 4,231,675 km (0.1 R)
• M8: 6,303,007 km (0.103 R)
• M9: 7,624,704 km (0.045 R)
• M10: 8,502,096 km (0.104 R)
• M11: 9,008,335 km (0.078 R)
• M12: 11,305,410 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.2

Radius: 8.3

Gravity: 13.59 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.56 AU - 2.04 AU

Year: 1559 Days

Day: 6.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 160.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,089,766 km

• M1: 146,157 km (0.091 R)
• M2: 550,520 km (0.079 R)
• M3: 1,507,348 km (0.12 R)
• M4: 1,893,011 km (0.119 R)
• M5: 2,218,536 km (0.106 R)
• M6: 2,982,982 km (0.069 R)
• M7: 3,492,811 km (0.108 R)
• M8: 3,786,771 km (0.1 R)
• M9: 5,066,431 km (0.054 R)
• M10: 6,356,414 km (0.108 R)
• M11: 6,743,423 km (0.071 R)
• M12: 7,173,367 km (0.099 R)
• M13: 7,765,326 km (0.105 R)
• M14: 8,028,918 km (0.078 R)
• M15: 8,420,116 km (0.09 R)
• M16: 9,437,382 km (0.115 R)
• M17: 9,975,784 km (0.118 R)
• M18: 10,749,355 km (0.114 R)
• M19: 12,336,289 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.8

Radius: 13.2

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.06 AU - 2.4 AU

Year: 2150 Days

Day: 10 Hours

Environment

Temp: -202 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,089,766 km

• M1: 175,179 km (0.057 R)
• M2: 670,797 km (0.091 R)
• M3: 1,214,735 km (0.068 R)
• M4: 1,697,038 km (0.112 R)
• M5: 2,334,924 km (0.112 R)
• M6: 2,794,638 km (0.118 R)
• M7: 3,562,673 km (0.098 R)
• M8: 4,116,485 km (0.118 R)
• M9: 6,211,004 km (0.061 R)
• M10: 7,016,888 km (0.095 R)
• M11: 8,338,885 km (0.087 R)
• M12: 8,939,221 km (0.117 R)
• M13: 9,532,526 km (0.068 R)
• M14: 15,465,577 km (0.036 R)
• M15: 16,788,023 km (0.103 R)
• M16: 17,801,249 km (0.057 R)
• M17: 18,350,722 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.3

Radius: 8.6

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.6 AU - 3.32 AU

Year: 3288 Days

Day: 13.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,089,766 km

• M1: 107,112 km (0.094 R)
• M2: 388,206 km (0.118 R)
• M3: 828,623 km (0.109 R)
• M4: 1,101,639 km (0.063 R)
• M5: 1,405,472 km (0.1 R)
• M6: 2,519,827 km (0.084 R)
• M7: 2,885,893 km (0.108 R)
• M8: 3,568,956 km (0.101 R)
• M9: 3,846,311 km (0.036 R)
• M10: 4,719,514 km (0.114 R)
• M11: 5,178,031 km (0.084 R)
• M12: 5,456,882 km (0.056 R)
• M13: 6,044,801 km (0.082 R)
• M14: 7,066,555 km (0.08 R)
• M15: 8,970,487 km (0.099 R)
• M16: 11,235,398 km (0.104 R)
• M17: 12,910,895 km (0.054 R)
• M18: 14,100,198 km (0.036 R)
• M19: 14,495,734 km (0.083 R)
• M20: 16,313,947 km (0.091 R)
• M21: 17,249,831 km (0.107 R)
• M22: 18,454,693 km (0.087 R)
• M23: 19,047,848 km (0.093 R)
• M24: 20,967,338 km (0.119 R)
• M25: 21,743,901 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735

Radius: 13.9

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.45 AU - 4.09 AU

Year: 3818 Days

Day: 13.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,089,766 km

• M1: 173,683 km (0.095 R)
• M2: 730,038 km (0.068 R)
• M3: 1,217,128 km (0.109 R)
• M4: 1,814,622 km (0.096 R)
• M5: 3,779,889 km (0.054 R)
• M6: 5,100,839 km (0.039 R)
• M7: 5,797,516 km (0.065 R)
• M8: 7,514,600 km (0.028 R)
• M9: 7,957,709 km (0.064 R)
• M10: 11,345,353 km (0.059 R)
• M11: 13,958,080 km (0.09 R)
• M12: 16,038,537 km (0.108 R)
• M13: 17,358,439 km (0.094 R)
• M14: 18,687,616 km (0.118 R)
• M15: 21,276,557 km (0.084 R)
• M16: 22,306,389 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339

Radius: 6.4

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 6.05 AU - 6.07 AU

Year: 9632 Days

Day: 21.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 137.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,089,766 km

• M1: 79,586 km (0.105 R)
• M2: 287,677 km (0.113 R)
• M3: 494,271 km (0.081 R)
• M4: 1,085,931 km (0.108 R)
• M5: 1,758,523 km (0.091 R)
• M6: 2,168,870 km (0.117 R)
• M7: 2,912,222 km (0.046 R)
• M8: 4,160,317 km (0.08 R)
• M9: 4,527,879 km (0.098 R)
• M10: 4,974,279 km (0.093 R)
• M11: 5,954,743 km (0.104 R)
• M12: 7,696,511 km (0.112 R)
• M13: 10,259,871 km (0.117 R)
• M14: 12,574,000 km (0.106 R)
• M15: 13,286,236 km (0.107 R)
• M16: 13,510,632 km (0.106 R)
• M17: 15,522,275 km (0.113 R)
• M18: 17,388,957 km (0.119 R)
• M19: 17,860,939 km (0.1 R)
• M20: 19,042,911 km (0.075 R)
• M21: 20,723,793 km (0.099 R)
• M22: 20,950,135 km (0.078 R)
• M23: 21,794,016 km (0.078 R)
• M24: 22,263,754 km (0.098 R)
• M25: 24,799,138 km (0.065 R)
• M26: 25,483,399 km (0.089 R)
• M27: 25,917,382 km (0.114 R)
• M28: 26,356,302 km (0.092 R)
• M29: 33,032,706 km (0.116 R)
• M30: 35,882,844 km (0.117 R)
• M31: 36,100,210 km (0.104 R)
• M32: 36,757,842 km (0.053 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595.9

Radius: 6.1

Gravity: 16.01 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 8.26 AU - 9.96 AU

Year: 17754 Days

Day: 21.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,089,766 km

• M1: 95,144 km (0.061 R)
• M2: 330,312 km (0.055 R)
• M3: 550,221 km (0.074 R)
• M4: 1,161,029 km (0.034 R)
• M5: 1,778,868 km (0.095 R)
• M6: 2,190,412 km (0.066 R)
• M7: 2,595,224 km (0.114 R)
• M8: 3,990,224 km (0.106 R)
• M9: 4,237,360 km (0.099 R)
• M10: 4,900,228 km (0.099 R)
• M11: 5,441,174 km (0.087 R)
• M12: 5,901,935 km (0.08 R)
• M13: 7,580,124 km (0.087 R)
• M14: 8,452,579 km (0.073 R)
• M15: 8,706,446 km (0.059 R)
• M16: 10,864,396 km (0.113 R)
• M17: 11,594,134 km (0.085 R)
• M18: 12,162,606 km (0.105 R)
• M19: 14,406,574 km (0.083 R)
• M20: 20,412,181 km (0.106 R)
• M21: 23,259,178 km (0.043 R)
• M22: 24,162,300 km (0.112 R)
• M23: 27,231,450 km (0.1 R)
• M24: 27,897,460 km (0.1 R)
• M25: 28,234,354 km (0.12 R)
• M26: 34,904,175 km (0.055 R)
• M27: 38,810,475 km (0.106 R)
• M28: 55,914,299 km (0.046 R)
• M29: 62,955,870 km (0.08 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 18,482 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit