🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.4

Radius: 10.3

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.5 AU - 0.74 AU

Year: 331 Days

Day: 13.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 86,029,793 km

• M1: 128,056 km (0.073 R)
• M2: 459,565 km (0.073 R)
• M3: 842,535 km (0.07 R)
• M4: 1,171,052 km (0.088 R)
• M5: 1,940,135 km (0.098 R)
• M6: 2,297,075 km (0.074 R)
• M7: 3,135,571 km (0.114 R)
• M8: 3,532,305 km (0.099 R)
• M9: 4,166,301 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.3

Radius: 12.8

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.76 AU - 0.84 AU

Year: 485 Days

Day: 12 Hours

Environment

Temp: -175 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,029,793 km

• M1: 159,621 km (0.112 R)
• M2: 575,503 km (0.093 R)
• M3: 1,142,479 km (0.109 R)
• M4: 1,708,108 km (0.099 R)
• M5: 2,153,312 km (0.094 R)
• M6: 2,833,533 km (0.093 R)
• M7: 3,627,748 km (0.098 R)
• M8: 4,389,052 km (0.107 R)
• M9: 4,980,263 km (0.107 R)
• M10: 5,624,132 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.7

Radius: 10.9

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.07 AU - 1.57 AU

Year: 1029 Days

Day: 7.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 86,029,793 km

• M1: 141,220 km (0.059 R)
• M2: 515,065 km (0.114 R)
• M3: 926,759 km (0.049 R)
• M4: 1,355,207 km (0.099 R)
• M5: 1,755,232 km (0.117 R)
• M6: 2,378,606 km (0.071 R)
• M7: 2,787,008 km (0.117 R)
• M8: 3,684,596 km (0.043 R)
• M9: 4,565,577 km (0.03 R)
• M10: 6,977,394 km (0.058 R)
• M11: 7,795,695 km (0.111 R)
• M12: 8,268,274 km (0.109 R)
• M13: 8,815,803 km (0.065 R)
• M14: 10,136,303 km (0.068 R)
• M15: 10,572,830 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.5

Radius: 8.5

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.84 AU - 2.28 AU

Year: 2005 Days

Day: 7.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,029,793 km

• M1: 106,514 km (0.1 R)
• M2: 377,585 km (0.094 R)
• M3: 736,321 km (0.096 R)
• M4: 1,152,502 km (0.043 R)
• M5: 1,501,065 km (0.118 R)
• M6: 2,055,176 km (0.085 R)
• M7: 2,512,795 km (0.113 R)
• M8: 2,880,058 km (0.053 R)
• M9: 3,580,625 km (0.087 R)
• M10: 3,855,885 km (0.109 R)
• M11: 4,375,588 km (0.069 R)
• M12: 4,644,864 km (0.117 R)
• M13: 5,924,674 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.4

Radius: 8.3

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.24 AU - 3.44 AU

Year: 3246 Days

Day: 14.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,029,793 km

• M1: 103,223 km (0.107 R)
• M2: 634,145 km (0.075 R)
• M3: 1,294,321 km (0.104 R)
• M4: 1,778,419 km (0.119 R)
• M5: 2,521,323 km (0.039 R)
• M6: 2,839,368 km (0.057 R)
• M7: 3,342,764 km (0.061 R)
• M8: 3,904,205 km (0.119 R)
• M9: 4,179,465 km (0.098 R)
• M10: 5,324,637 km (0.115 R)
• M11: 5,993,788 km (0.117 R)
• M12: 8,072,152 km (0.066 R)
• M13: 9,632,607 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.6

Radius: 14

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.32 AU - 5.4 AU

Year: 6175 Days

Day: 8.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 86,029,793 km

• M1: 178,321 km (0.078 R)
• M2: 622,926 km (0.104 R)
• M3: 1,298,958 km (0.071 R)
• M4: 2,198,490 km (0.118 R)
• M5: 2,899,057 km (0.115 R)
• M6: 3,593,191 km (0.092 R)
• M7: 4,864,324 km (0.068 R)
• M8: 5,901,337 km (0.109 R)
• M9: 6,557,323 km (0.086 R)
• M10: 7,951,127 km (0.104 R)
• M11: 9,644,425 km (0.114 R)
• M12: 12,247,278 km (0.081 R)
• M13: 18,341,746 km (0.092 R)
• M14: 19,033,038 km (0.111 R)
• M15: 19,622,304 km (0.094 R)

Asteroid Belt

Center: 5.19 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 440.7

Radius: 4.8

Gravity: 19.13 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.96 AU - 6.06 AU

Year: 9993 Days

Day: 20.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 86,029,793 km

• M1: 59,690 km (0.074 R)
• M2: 380,278 km (0.096 R)
• M3: 728,542 km (0.05 R)
• M4: 2,255,188 km (0.108 R)
• M5: 2,435,005 km (0.074 R)
• M6: 2,683,187 km (0.106 R)
• M7: 2,885,444 km (0.114 R)
• M8: 3,699,107 km (0.119 R)
• M9: 8,715,722 km (0.073 R)
• M10: 10,094,565 km (0.09 R)
• M11: 19,136,111 km (0.113 R)
• M12: 20,191,524 km (0.105 R)
• M13: 22,008,689 km (0.041 R)
• M14: 22,665,424 km (0.108 R)
• M15: 22,998,728 km (0.084 R)
• M16: 23,674,910 km (0.085 R)
• M17: 24,277,490 km (0.117 R)
• M18: 26,329,375 km (0.09 R)
• M19: 28,493,906 km (0.111 R)
• M20: 32,641,507 km (0.117 R)
• M21: 33,387,552 km (0.114 R)
• M22: 35,806,550 km (0.099 R)
• M23: 41,236,803 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 997.8

Radius: 4.5

Gravity: 49.27 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 7.87 AU - 11.17 AU

Year: 19923 Days

Day: 21.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 86,029,793 km

• M1: 55,950 km (0.12 R)
• M2: 227,987 km (0.117 R)
• M3: 645,664 km (0.118 R)
• M4: 1,171,651 km (0.054 R)
• M5: 1,383,182 km (0.105 R)
• M6: 1,843,943 km (0.118 R)
• M7: 2,377,260 km (0.082 R)
• M8: 2,743,176 km (0.108 R)
• M9: 2,926,284 km (0.106 R)
• M10: 3,773,756 km (0.078 R)
• M11: 4,340,582 km (0.069 R)
• M12: 5,354,557 km (0.089 R)
• M13: 6,290,142 km (0.085 R)
• M14: 7,035,588 km (0.088 R)
• M15: 7,581,171 km (0.094 R)
• M16: 7,995,258 km (0.116 R)
• M17: 10,610,379 km (0.072 R)
• M18: 11,194,259 km (0.092 R)
• M19: 12,214,517 km (0.102 R)
• M20: 14,050,082 km (0.119 R)
• M21: 14,437,990 km (0.105 R)
• M22: 15,316,728 km (0.119 R)
• M23: 22,382,833 km (0.12 R)
• M24: 23,885,095 km (0.109 R)
• M25: 24,549,011 km (0.052 R)
• M26: 25,682,813 km (0.094 R)
• M27: 39,920,790 km (0.114 R)
• M28: 43,909,668 km (0.069 R)
• M29: 50,108,405 km (0.086 R)
• M30: 52,297,620 km (0.086 R)
• M31: 62,730,875 km (0.113 R)
• M32: 63,570,269 km (0.116 R)
• M33: 65,057,122 km (0.093 R)
• M34: 70,782,981 km (0.065 R)
• M35: 80,232,928 km (0.071 R)
• M36: 81,470,252 km (0.118 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 17,637 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit