🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.2

Radius: 14

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.4 AU - 0.66 AU

Year: 271 Days

Day: 9.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,796,921 km

• M1: 174,132 km (0.109 R)
• M2: 669,002 km (0.104 R)
• M3: 1,111,512 km (0.044 R)
• M4: 1,615,059 km (0.102 R)
• M5: 2,134,014 km (0.12 R)
• M6: 2,710,414 km (0.118 R)
• M7: 3,348,300 km (0.038 R)
• M8: 3,793,952 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.5

Radius: 14.2

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.48 AU - 0.58 AU

Year: 271 Days

Day: 12.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 80.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,796,921 km

• M1: 176,675 km (0.084 R)
• M2: 680,521 km (0.116 R)
• M3: 1,222,065 km (0.106 R)
• M4: 1,710,203 km (0.099 R)
• M5: 2,207,915 km (0.114 R)
• M6: 2,870,933 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.5

Radius: 8

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.64 AU - 0.84 AU

Year: 447 Days

Day: 13.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,796,921 km

• M1: 99,483 km (0.099 R)
• M2: 358,436 km (0.067 R)
• M3: 801,545 km (0.106 R)
• M4: 1,495,829 km (0.067 R)
• M5: 1,744,910 km (0.12 R)
• M6: 2,275,084 km (0.091 R)
• M7: 2,725,075 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.6

Radius: 13.3

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.65 AU - 1.69 AU

Year: 1517 Days

Day: 5.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,796,921 km

• M1: 169,943 km (0.079 R)
• M2: 590,164 km (0.108 R)
• M3: 1,359,396 km (0.05 R)
• M4: 2,296,477 km (0.099 R)
• M5: 3,205,434 km (0.097 R)
• M6: 3,861,719 km (0.119 R)
• M7: 4,323,229 km (0.088 R)
• M8: 5,866,331 km (0.081 R)
• M9: 6,454,699 km (0.09 R)
• M10: 7,030,801 km (0.028 R)
• M11: 7,478,398 km (0.114 R)
• M12: 7,972,968 km (0.056 R)
• M13: 8,637,033 km (0.102 R)
• M14: 10,075,716 km (0.085 R)
• M15: 11,523,823 km (0.095 R)
• M16: 11,961,995 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.6

Radius: 12.8

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.7 AU - 2.42 AU

Year: 2078 Days

Day: 12.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,796,921 km

• M1: 159,322 km (0.05 R)
• M2: 644,767 km (0.119 R)
• M3: 1,096,253 km (0.069 R)
• M4: 2,525,362 km (0.063 R)
• M5: 3,423,996 km (0.063 R)
• M6: 5,068,077 km (0.117 R)
• M7: 6,102,995 km (0.052 R)
• M8: 6,603,250 km (0.078 R)
• M9: 7,274,196 km (0.104 R)
• M10: 7,716,258 km (0.096 R)
• M11: 8,365,513 km (0.112 R)
• M12: 8,785,434 km (0.091 R)
• M13: 10,349,181 km (0.083 R)
• M14: 10,833,728 km (0.108 R)
• M15: 11,411,774 km (0.108 R)
• M16: 12,050,707 km (0.093 R)
• M17: 13,226,546 km (0.119 R)
• M18: 15,369,984 km (0.103 R)
• M19: 17,630,558 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.8

Radius: 12.2

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.75 AU - 2.55 AU

Year: 2216 Days

Day: 11.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,796,921 km

• M1: 151,692 km (0.099 R)
• M2: 552,315 km (0.111 R)
• M3: 1,365,081 km (0.117 R)
• M4: 1,936,395 km (0.098 R)
• M5: 2,398,353 km (0.076 R)
• M6: 2,811,393 km (0.102 R)
• M7: 4,747,788 km (0.105 R)
• M8: 5,769,092 km (0.046 R)
• M9: 6,988,016 km (0.08 R)
• M10: 7,420,503 km (0.092 R)
• M11: 7,901,610 km (0.067 R)
• M12: 8,695,077 km (0.061 R)
• M13: 9,540,903 km (0.119 R)
• M14: 9,966,061 km (0.096 R)
• M15: 11,200,841 km (0.111 R)
• M16: 11,794,745 km (0.064 R)
• M17: 12,873,944 km (0.06 R)
• M18: 13,972,591 km (0.063 R)
• M19: 16,056,788 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.6

Radius: 13.1

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.32 AU - 6.26 AU

Year: 8552 Days

Day: 6 Hours

Environment

Temp: -235 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,796,921 km

• M1: 163,660 km (0.099 R)
• M2: 594,502 km (0.12 R)
• M3: 1,030,131 km (0.092 R)
• M4: 1,605,634 km (0.1 R)
• M5: 2,620,356 km (0.092 R)
• M6: 4,466,244 km (0.102 R)
• M7: 5,032,024 km (0.094 R)
• M8: 5,849,277 km (0.109 R)
• M9: 7,061,468 km (0.046 R)
• M10: 8,215,915 km (0.113 R)
• M11: 10,078,409 km (0.113 R)
• M12: 11,215,352 km (0.042 R)
• M13: 15,075,576 km (0.039 R)
• M14: 17,628,912 km (0.085 R)
• M15: 20,138,716 km (0.098 R)
• M16: 21,354,647 km (0.066 R)
• M17: 22,447,759 km (0.099 R)
• M18: 23,138,751 km (0.075 R)
• M19: 25,575,850 km (0.105 R)
• M20: 26,712,196 km (0.082 R)
• M21: 33,795,954 km (0.05 R)
• M22: 42,431,192 km (0.103 R)
• M23: 46,484,098 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.5

Radius: 5.8

Gravity: 25.4 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.11 AU - 6.15 AU

Year: 10668 Days

Day: 24.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,796,921 km

• M1: 72,106 km (0.09 R)
• M2: 305,180 km (0.102 R)
• M3: 606,769 km (0.037 R)
• M4: 788,381 km (0.036 R)
• M5: 1,524,701 km (0.106 R)
• M6: 2,300,666 km (0.105 R)
• M7: 2,909,230 km (0.045 R)
• M8: 3,753,111 km (0.077 R)
• M9: 4,319,938 km (0.101 R)
• M10: 5,106,673 km (0.064 R)
• M11: 5,622,337 km (0.065 R)
• M12: 6,324,549 km (0.106 R)
• M13: 7,083,758 km (0.112 R)
• M14: 7,506,821 km (0.081 R)
• M15: 10,088,282 km (0.056 R)
• M16: 10,515,234 km (0.097 R)
• M17: 12,404,506 km (0.088 R)
• M18: 14,643,687 km (0.118 R)
• M19: 14,915,506 km (0.082 R)
• M20: 15,121,652 km (0.115 R)
• M21: 15,610,089 km (0.115 R)
• M22: 18,764,211 km (0.09 R)
• M23: 20,744,737 km (0.082 R)
• M24: 21,087,765 km (0.111 R)
• M25: 24,443,245 km (0.066 R)
• M26: 24,826,066 km (0.116 R)
• M27: 32,418,008 km (0.073 R)
• M28: 34,652,103 km (0.029 R)
• M29: 41,422,304 km (0.118 R)
• M30: 44,049,243 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.5

Radius: 3.4

Gravity: 11.38 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 8.52 AU - 8.92 AU

Year: 18100 Days

Day: 18 Hours

Environment

Temp: -243 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,796,921 km

• M1: 42,336 km (0.111 R)
• M2: 247,435 km (0.048 R)
• M3: 461,509 km (0.083 R)
• M4: 886,218 km (0.071 R)
• M5: 1,312,422 km (0.097 R)
• M6: 1,816,417 km (0.09 R)
• M7: 3,706,437 km (0.116 R)
• M8: 4,439,018 km (0.115 R)
• M9: 4,928,203 km (0.115 R)
• M10: 8,297,895 km (0.103 R)
• M11: 13,637,043 km (0.05 R)
• M12: 14,601,949 km (0.11 R)
• M13: 16,001,886 km (0.098 R)
• M14: 16,869,853 km (0.117 R)
• M15: 18,409,215 km (0.08 R)
• M16: 19,361,555 km (0.078 R)
• M17: 25,504,791 km (0.118 R)
• M18: 27,999,934 km (0.095 R)
• M19: 29,552,760 km (0.107 R)
• M20: 29,949,793 km (0.034 R)
• M21: 30,451,095 km (0.087 R)
• M22: 32,092,633 km (0.048 R)
• M23: 32,723,038 km (0.058 R)
• M24: 35,662,636 km (0.103 R)
• M25: 40,577,375 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452.8

Radius: 8

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 7.62 AU - 10.04 AU

Year: 18444 Days

Day: 15.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,796,921 km

• M1: 99,632 km (0.117 R)
• M2: 483,800 km (0.112 R)
• M3: 804,238 km (0.119 R)
• M4: 1,188,854 km (0.082 R)
• M5: 2,373,221 km (0.1 R)
• M6: 2,857,319 km (0.105 R)
• M7: 3,379,416 km (0.047 R)
• M8: 4,912,495 km (0.042 R)
• M9: 5,736,929 km (0.085 R)
• M10: 6,162,535 km (0.11 R)
• M11: 7,033,344 km (0.058 R)
• M12: 8,564,029 km (0.069 R)
• M13: 9,171,995 km (0.117 R)
• M14: 10,875,915 km (0.085 R)
• M15: 11,407,735 km (0.042 R)
• M16: 11,771,856 km (0.091 R)
• M17: 12,206,438 km (0.118 R)
• M18: 15,926,638 km (0.119 R)
• M19: 17,001,798 km (0.071 R)
• M20: 20,340,074 km (0.095 R)
• M21: 25,712,583 km (0.089 R)
• M22: 27,513,592 km (0.099 R)
• M23: 30,660,981 km (0.086 R)
• M24: 41,958,014 km (0.111 R)
• M25: 42,535,312 km (0.068 R)
• M26: 46,571,912 km (0.095 R)
• M27: 50,044,078 km (0.09 R)
• M28: 53,347,049 km (0.055 R)
• M29: 60,017,619 km (0.047 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 18,637 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit