🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.3

Radius: 10.9

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.41 AU - 0.63 AU

Year: 259 Days

Day: 6.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 58,936,258 km

• M1: 136,882 km (0.085 R)
• M2: 494,122 km (0.087 R)
• M3: 862,432 km (0.111 R)
• M4: 1,395,299 km (0.1 R)
• M5: 2,313,681 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.9

Radius: 12

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.69 AU - 0.75 AU

Year: 422 Days

Day: 5.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 58,936,258 km

• M1: 149,299 km (0.074 R)
• M2: 655,987 km (0.095 R)
• M3: 1,084,285 km (0.05 R)
• M4: 1,896,003 km (0.105 R)
• M5: 2,280,021 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.5

Radius: 12.8

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.14 AU - 1.68 AU

Year: 1156 Days

Day: 13.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,936,258 km

• M1: 159,920 km (0.1 R)
• M2: 579,093 km (0.104 R)
• M3: 982,260 km (0.118 R)
• M4: 1,869,225 km (0.074 R)
• M5: 2,403,589 km (0.095 R)
• M6: 3,236,251 km (0.113 R)
• M7: 4,611,504 km (0.057 R)
• M8: 5,597,653 km (0.118 R)
• M9: 6,186,171 km (0.11 R)
• M10: 6,695,851 km (0.104 R)
• M11: 7,133,574 km (0.079 R)
• M12: 7,616,476 km (0.074 R)
• M13: 8,257,653 km (0.041 R)
• M14: 9,587,279 km (0.073 R)
• M15: 10,691,012 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181

Radius: 14

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.16 AU - 1.8 AU

Year: 1243 Days

Day: 10.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,936,258 km

• M1: 174,431 km (0.045 R)
• M2: 675,135 km (0.109 R)
• M3: 1,161,328 km (0.111 R)
• M4: 2,355,718 km (0.082 R)
• M5: 3,098,322 km (0.062 R)
• M6: 4,787,730 km (0.073 R)
• M7: 5,416,041 km (0.114 R)
• M8: 6,195,446 km (0.077 R)
• M9: 6,694,206 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.9

Radius: 13.7

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.22 AU - 3.3 AU

Year: 3165 Days

Day: 6.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,936,258 km

• M1: 170,542 km (0.118 R)
• M2: 619,634 km (0.074 R)
• M3: 1,164,919 km (0.084 R)
• M4: 1,636,601 km (0.119 R)
• M5: 3,350,095 km (0.112 R)
• M6: 3,800,384 km (0.103 R)
• M7: 4,350,755 km (0.104 R)
• M8: 7,561,275 km (0.102 R)
• M9: 10,032,183 km (0.054 R)
• M10: 10,901,945 km (0.044 R)
• M11: 12,019,142 km (0.082 R)
• M12: 12,833,253 km (0.051 R)
• M13: 14,845,345 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.6

Radius: 10

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.93 AU - 2.97 AU

Year: 3497 Days

Day: 14.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,936,258 km

• M1: 128,953 km (0.088 R)
• M2: 576,999 km (0.051 R)
• M3: 1,078,451 km (0.107 R)
• M4: 1,930,860 km (0.073 R)
• M5: 2,247,708 km (0.095 R)
• M6: 2,706,824 km (0.077 R)
• M7: 3,166,538 km (0.067 R)
• M8: 3,528,715 km (0.113 R)
• M9: 4,151,491 km (0.065 R)
• M10: 5,416,341 km (0.094 R)
• M11: 6,540,120 km (0.057 R)
• M12: 7,130,882 km (0.108 R)
• M13: 8,962,857 km (0.116 R)
• M14: 9,433,941 km (0.058 R)
• M15: 10,222,172 km (0.051 R)
• M16: 12,811,711 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.7

Radius: 14.3

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.8 AU - 3.6 AU

Year: 3951 Days

Day: 12.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,936,258 km

• M1: 177,872 km (0.051 R)
• M2: 654,042 km (0.089 R)
• M3: 2,586,398 km (0.106 R)
• M4: 3,194,812 km (0.049 R)
• M5: 3,745,332 km (0.06 R)
• M6: 4,431,089 km (0.079 R)
• M7: 9,075,355 km (0.095 R)
• M8: 10,102,494 km (0.071 R)
• M9: 13,085,924 km (0.102 R)
• M10: 16,083,267 km (0.12 R)
• M11: 22,732,294 km (0.027 R)
• M12: 26,781,759 km (0.058 R)
• M13: 28,288,808 km (0.075 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.6

Radius: 9.8

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.45 AU - 4.73 AU

Year: 6788 Days

Day: 9.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,936,258 km

• M1: 121,922 km (0.041 R)
• M2: 635,043 km (0.069 R)
• M3: 1,129,015 km (0.025 R)
• M4: 1,542,055 km (0.058 R)
• M5: 1,909,916 km (0.042 R)
• M6: 2,385,488 km (0.102 R)
• M7: 4,227,187 km (0.067 R)
• M8: 4,713,231 km (0.114 R)
• M9: 5,951,602 km (0.119 R)
• M10: 6,764,816 km (0.082 R)
• M11: 7,322,965 km (0.114 R)
• M12: 9,911,607 km (0.09 R)
• M13: 11,435,411 km (0.05 R)
• M14: 12,177,267 km (0.117 R)
• M15: 13,484,752 km (0.068 R)
• M16: 15,115,818 km (0.059 R)
• M17: 15,888,191 km (0.051 R)
• M18: 18,363,288 km (0.099 R)
• M19: 18,833,325 km (0.107 R)
• M20: 19,311,290 km (0.106 R)
• M21: 20,362,963 km (0.087 R)
• M22: 24,385,051 km (0.064 R)
• M23: 26,967,859 km (0.104 R)
• M24: 28,014,744 km (0.091 R)
• M25: 29,911,795 km (0.11 R)
• M26: 32,964,938 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608.8

Radius: 5.5

Gravity: 20.13 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 7.54 AU - 7.66 AU

Year: 14462 Days

Day: 15.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 58,936,258 km

• M1: 70,760 km (0.103 R)
• M2: 267,032 km (0.063 R)
• M3: 1,091,167 km (0.087 R)
• M4: 1,504,057 km (0.106 R)
• M5: 1,722,320 km (0.079 R)
• M6: 1,908,420 km (0.079 R)
• M7: 2,321,460 km (0.115 R)
• M8: 2,528,054 km (0.107 R)
• M9: 4,716,222 km (0.097 R)
• M10: 5,504,603 km (0.1 R)
• M11: 10,351,275 km (0.026 R)
• M12: 11,318,276 km (0.103 R)
• M13: 11,853,836 km (0.104 R)
• M14: 15,864,705 km (0.112 R)
• M15: 20,001,535 km (0.098 R)
• M16: 22,501,614 km (0.055 R)
• M17: 22,968,958 km (0.106 R)
• M18: 24,116,972 km (0.117 R)
• M19: 25,605,172 km (0.086 R)
• M20: 27,576,722 km (0.07 R)
• M21: 28,544,919 km (0.086 R)
• M22: 30,891,960 km (0.112 R)
• M23: 33,606,713 km (0.105 R)
• M24: 33,850,109 km (0.065 R)
• M25: 35,084,441 km (0.082 R)
• M26: 37,121,216 km (0.109 R)
• M27: 42,555,358 km (0.061 R)
• M28: 45,908,146 km (0.11 R)
• M29: 46,659,576 km (0.104 R)
• M30: 48,651,621 km (0.12 R)
• M31: 50,222,100 km (0.079 R)
• M32: 56,842,404 km (0.105 R)
• M33: 58,057,587 km (0.104 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: 232 - 15,280 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit