🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923

Radius: 9.8

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.53 AU - 0.77 AU

Year: 349 Days

Day: 12.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,371,821 km

• M1: 121,922 km (0.114 R)
• M2: 447,746 km (0.113 R)
• M3: 761,453 km (0.056 R)
• M4: 1,253,331 km (0.085 R)
• M5: 1,817,165 km (0.091 R)
• M6: 2,249,503 km (0.101 R)
• M7: 2,709,367 km (0.09 R)
• M8: 4,065,023 km (0.099 R)
• M9: 5,349,321 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.5

Radius: 8.5

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.61 AU - 0.99 AU

Year: 477 Days

Day: 11.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,371,821 km

• M1: 105,766 km (0.073 R)
• M2: 378,931 km (0.054 R)
• M3: 1,073,365 km (0.079 R)
• M4: 1,659,639 km (0.106 R)
• M5: 2,090,929 km (0.093 R)
• M6: 2,915,662 km (0.062 R)
• M7: 3,322,718 km (0.113 R)
• M8: 3,753,859 km (0.087 R)
• M9: 4,193,378 km (0.11 R)
• M10: 4,885,118 km (0.088 R)
• M11: 5,208,549 km (0.114 R)
• M12: 6,135,906 km (0.05 R)
• M13: 6,474,745 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.5

Radius: 10

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.83 AU - 0.87 AU

Year: 523 Days

Day: 12.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 32,371,821 km

• M1: 124,316 km (0.096 R)
• M2: 676,781 km (0.058 R)
• M3: 1,259,315 km (0.061 R)
• M4: 1,700,778 km (0.107 R)
• M5: 5,033,220 km (0.053 R)
• M6: 5,487,998 km (0.066 R)
• M7: 6,695,851 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.2

Radius: 12.2

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.88 AU - 1.18 AU

Year: 697 Days

Day: 13.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 71.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,371,821 km

• M1: 151,842 km (0.102 R)
• M2: 614,398 km (0.12 R)
• M3: 999,314 km (0.069 R)
• M4: 1,608,626 km (0.102 R)
• M5: 2,382,645 km (0.106 R)
• M6: 2,933,315 km (0.095 R)
• M7: 3,404,548 km (0.117 R)
• M8: 3,838,083 km (0.078 R)
• M9: 4,566,176 km (0.084 R)
• M10: 7,494,704 km (0.086 R)
• M11: 8,038,193 km (0.108 R)
• M12: 8,431,635 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.8

Radius: 8.2

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.58 AU - 1.74 AU

Year: 1426 Days

Day: 13.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,371,821 km

• M1: 102,026 km (0.116 R)
• M2: 422,016 km (0.105 R)
• M3: 682,166 km (0.119 R)
• M4: 1,023,249 km (0.06 R)
• M5: 1,289,833 km (0.099 R)
• M6: 1,656,198 km (0.033 R)
• M7: 2,353,175 km (0.092 R)
• M8: 2,724,327 km (0.077 R)
• M9: 3,405,296 km (0.12 R)
• M10: 3,692,225 km (0.108 R)
• M11: 4,633,345 km (0.089 R)
• M12: 5,560,254 km (0.081 R)
• M13: 6,002,465 km (0.116 R)
• M14: 6,468,163 km (0.078 R)
• M15: 8,010,667 km (0.105 R)
• M16: 9,310,971 km (0.054 R)
• M17: 9,604,782 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.7

Radius: 8.7

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.71 AU - 2.15 AU

Year: 1788 Days

Day: 7.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,371,821 km

• M1: 108,309 km (0.076 R)
• M2: 484,248 km (0.062 R)
• M3: 941,868 km (0.091 R)
• M4: 1,470,697 km (0.106 R)
• M5: 2,616,168 km (0.11 R)
• M6: 3,296,838 km (0.117 R)
• M7: 3,728,877 km (0.047 R)
• M8: 4,667,603 km (0.087 R)
• M9: 5,047,432 km (0.117 R)
• M10: 5,404,522 km (0.055 R)
• M11: 5,891,763 km (0.048 R)
• M12: 6,335,919 km (0.078 R)
• M13: 6,777,083 km (0.069 R)
• M14: 7,858,675 km (0.104 R)
• M15: 8,397,228 km (0.062 R)
• M16: 9,020,901 km (0.052 R)
• M17: 9,422,272 km (0.081 R)
• M18: 9,738,971 km (0.117 R)
• M19: 10,128,524 km (0.073 R)
• M20: 10,835,224 km (0.117 R)
• M21: 12,880,377 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.2

Radius: 11.6

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.07 AU - 2.81 AU

Year: 2542 Days

Day: 13.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 32,371,821 km

• M1: 164,109 km (0.099 R)
• M2: 652,696 km (0.05 R)
• M3: 1,432,400 km (0.111 R)
• M4: 2,683,337 km (0.113 R)
• M5: 3,279,933 km (0.064 R)
• M6: 3,922,905 km (0.079 R)
• M7: 4,854,750 km (0.077 R)
• M8: 5,486,203 km (0.038 R)
• M9: 6,035,825 km (0.092 R)
• M10: 6,478,785 km (0.088 R)
• M11: 7,337,476 km (0.103 R)
• M12: 7,714,313 km (0.081 R)
• M13: 8,137,227 km (0.071 R)
• M14: 8,575,548 km (0.108 R)
• M15: 8,958,818 km (0.091 R)
• M16: 9,759,615 km (0.12 R)
• M17: 10,177,592 km (0.069 R)
• M18: 10,887,434 km (0.115 R)
• M19: 11,842,167 km (0.119 R)
• M20: 13,917,987 km (0.1 R)
• M21: 15,092,480 km (0.109 R)
• M22: 17,030,820 km (0.062 R)
• M23: 18,259,168 km (0.045 R)
• M24: 19,071,036 km (0.097 R)
• M25: 21,142,817 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.2

Radius: 11.1

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.39 AU - 4.91 AU

Year: 5638 Days

Day: 8 Hours

Environment

Temp: -227 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 32,371,821 km

• M1: 138,079 km (0.078 R)
• M2: 713,731 km (0.104 R)
• M3: 1,344,137 km (0.104 R)
• M4: 1,898,846 km (0.108 R)
• M5: 2,537,479 km (0.084 R)
• M6: 2,890,081 km (0.104 R)
• M7: 3,592,593 km (0.111 R)
• M8: 4,288,821 km (0.061 R)
• M9: 4,694,082 km (0.075 R)
• M10: 5,444,764 km (0.115 R)
• M11: 5,920,934 km (0.102 R)
• M12: 7,217,798 km (0.09 R)
• M13: 7,655,222 km (0.092 R)
• M14: 8,039,240 km (0.103 R)
• M15: 8,883,720 km (0.064 R)
• M16: 9,465,805 km (0.118 R)
• M17: 9,827,084 km (0.042 R)
• M18: 12,005,080 km (0.084 R)
• M19: 12,620,525 km (0.062 R)
• M20: 13,507,042 km (0.075 R)
• M21: 14,277,172 km (0.107 R)
• M22: 14,646,529 km (0.1 R)
• M23: 16,416,721 km (0.093 R)
• M24: 17,895,645 km (0.054 R)
• M25: 22,014,075 km (0.118 R)
• M26: 22,864,539 km (0.103 R)
• M27: 26,407,166 km (0.102 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.3

Radius: 11.6

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.71 AU - 5.67 AU

Year: 7885 Days

Day: 5.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,371,821 km

• M1: 145,708 km (0.085 R)
• M2: 588,967 km (0.109 R)
• M3: 1,357,451 km (0.034 R)
• M4: 1,929,214 km (0.114 R)
• M5: 2,971,911 km (0.088 R)
• M6: 3,468,576 km (0.075 R)
• M7: 4,251,571 km (0.102 R)
• M8: 4,713,679 km (0.108 R)
• M9: 5,089,469 km (0.12 R)
• M10: 6,000,819 km (0.119 R)
• M11: 6,726,219 km (0.089 R)
• M12: 7,355,727 km (0.111 R)
• M13: 8,393,937 km (0.119 R)
• M14: 9,849,225 km (0.051 R)
• M15: 10,612,473 km (0.072 R)
• M16: 11,830,948 km (0.1 R)
• M17: 13,310,770 km (0.109 R)
• M18: 16,305,719 km (0.102 R)
• M19: 21,324,877 km (0.069 R)
• M20: 23,508,707 km (0.096 R)
• M21: 25,219,807 km (0.115 R)
• M22: 25,926,957 km (0.096 R)
• M23: 27,012,439 km (0.098 R)
• M24: 33,530,418 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 88.3

Radius: 7.1

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.03 AU - 8.23 AU

Year: 15458 Days

Day: 23.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,371,821 km

• M1: 113,395 km (0.077 R)
• M2: 1,013,376 km (0.051 R)
• M3: 2,673,015 km (0.093 R)
• M4: 6,193,801 km (0.063 R)
• M5: 7,096,474 km (0.097 R)
• M6: 8,872,500 km (0.063 R)
• M7: 9,118,888 km (0.117 R)
• M8: 16,187,387 km (0.035 R)
• M9: 19,984,480 km (0.111 R)
• M10: 21,055,152 km (0.108 R)
• M11: 27,246,260 km (0.077 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 11,584 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit