🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.4

Radius: 9.4

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.79 AU - 1.03 AU

Year: 599 Days

Day: 8 Hours

Environment

Temp: -173 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,905,284 km

• M1: 116,986 km (0.058 R)
• M2: 435,629 km (0.037 R)
• M3: 906,713 km (0.107 R)
• M4: 1,397,244 km (0.073 R)
• M5: 2,386,535 km (0.117 R)
• M6: 2,718,941 km (0.075 R)
• M7: 3,128,391 km (0.061 R)
• M8: 3,540,832 km (0.054 R)
• M9: 4,085,967 km (0.103 R)
• M10: 4,489,881 km (0.04 R)
• M11: 5,227,698 km (0.108 R)
• M12: 5,634,604 km (0.119 R)
• M13: 5,971,648 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.9

Radius: 13.8

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.09 AU - 1.51 AU

Year: 1023 Days

Day: 9.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,905,284 km

• M1: 172,187 km (0.083 R)
• M2: 627,413 km (0.066 R)
• M3: 1,155,943 km (0.051 R)
• M4: 1,615,657 km (0.1 R)
• M5: 2,295,879 km (0.07 R)
• M6: 2,936,606 km (0.115 R)
• M7: 3,371,038 km (0.073 R)
• M8: 4,055,598 km (0.069 R)
• M9: 4,509,777 km (0.089 R)
• M10: 5,461,669 km (0.108 R)
• M11: 7,562,920 km (0.086 R)
• M12: 9,532,526 km (0.092 R)
• M13: 10,433,853 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867

Radius: 14.9

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.35 AU - 1.55 AU

Year: 1205 Days

Day: 13.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,905,284 km

• M1: 186,549 km (0.09 R)
• M2: 662,419 km (0.112 R)
• M3: 1,162,675 km (0.064 R)
• M4: 2,304,854 km (0.073 R)
• M5: 2,918,505 km (0.069 R)
• M6: 4,104,816 km (0.088 R)
• M7: 4,590,560 km (0.117 R)
• M8: 7,626,499 km (0.091 R)
• M9: 8,593,650 km (0.077 R)
• M10: 9,610,018 km (0.042 R)
• M11: 12,170,984 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.9

Radius: 13.2

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.42 AU - 2.8 AU

Year: 2911 Days

Day: 9.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,905,284 km

• M1: 164,109 km (0.064 R)
• M2: 688,001 km (0.049 R)
• M3: 1,131,558 km (0.117 R)
• M4: 2,329,987 km (0.046 R)
• M5: 3,015,594 km (0.114 R)
• M6: 3,611,293 km (0.12 R)
• M7: 5,277,962 km (0.109 R)
• M8: 6,080,705 km (0.083 R)
• M9: 7,563,668 km (0.043 R)
• M10: 7,982,991 km (0.081 R)
• M11: 9,454,286 km (0.049 R)
• M12: 10,065,992 km (0.104 R)
• M13: 10,801,864 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.3

Radius: 9.3

Gravity: 10.51 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.37 AU - 3.79 AU

Year: 4676 Days

Day: 12.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,905,284 km

• M1: 115,789 km (0.095 R)
• M2: 443,258 km (0.085 R)
• M3: 751,879 km (0.116 R)
• M4: 1,380,489 km (0.063 R)
• M5: 2,216,143 km (0.119 R)
• M6: 2,977,746 km (0.102 R)
• M7: 4,091,801 km (0.112 R)
• M8: 4,930,297 km (0.091 R)
• M9: 6,809,545 km (0.065 R)
• M10: 10,822,060 km (0.092 R)
• M11: 12,015,851 km (0.069 R)
• M12: 12,568,166 km (0.084 R)
• M13: 12,980,308 km (0.098 R)
• M14: 14,382,638 km (0.098 R)
• M15: 16,183,348 km (0.057 R)
• M16: 19,808,852 km (0.065 R)
• M17: 20,865,013 km (0.12 R)
• M18: 26,126,969 km (0.054 R)
• M19: 29,602,427 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.9

Radius: 12.8

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.62 AU - 4.8 AU

Year: 5963 Days

Day: 11.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,905,284 km

• M1: 159,172 km (0.103 R)
• M2: 914,193 km (0.105 R)
• M3: 1,548,637 km (0.099 R)
• M4: 2,965,329 km (0.105 R)
• M5: 3,716,460 km (0.114 R)
• M6: 9,709,949 km (0.059 R)
• M7: 12,808,270 km (0.032 R)
• M8: 15,720,941 km (0.114 R)
• M9: 23,690,768 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 381.1

Radius: 7.3

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.45 AU - 7.39 AU

Year: 9942 Days

Day: 24.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,905,284 km

• M1: 90,806 km (0.081 R)
• M2: 404,213 km (0.103 R)
• M3: 710,291 km (0.107 R)
• M4: 1,056,311 km (0.093 R)
• M5: 1,423,424 km (0.118 R)
• M6: 2,309,342 km (0.1 R)
• M7: 2,598,365 km (0.104 R)
• M8: 2,850,887 km (0.093 R)
• M9: 3,315,837 km (0.117 R)
• M10: 3,757,151 km (0.116 R)
• M11: 4,450,985 km (0.082 R)
• M12: 5,599,897 km (0.095 R)
• M13: 6,468,313 km (0.06 R)
• M14: 6,752,698 km (0.106 R)
• M15: 7,775,050 km (0.04 R)
• M16: 8,015,604 km (0.115 R)
• M17: 8,261,094 km (0.099 R)
• M18: 9,071,914 km (0.053 R)
• M19: 10,122,989 km (0.111 R)
• M20: 11,509,462 km (0.115 R)
• M21: 15,083,654 km (0.117 R)
• M22: 19,043,959 km (0.117 R)
• M23: 23,646,786 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 629.3

Radius: 7.2

Gravity: 12.14 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 5.78 AU - 8.48 AU

Year: 13142 Days

Day: 23.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 55,905,284 km

• M1: 89,609 km (0.117 R)
• M2: 549,623 km (0.086 R)
• M3: 1,537,118 km (0.098 R)
• M4: 2,871,232 km (0.117 R)
• M5: 3,200,946 km (0.072 R)
• M6: 3,936,369 km (0.106 R)
• M7: 4,465,646 km (0.109 R)
• M8: 4,844,129 km (0.113 R)
• M9: 5,416,789 km (0.087 R)
• M10: 6,818,372 km (0.073 R)
• M11: 7,669,135 km (0.096 R)
• M12: 7,937,663 km (0.045 R)
• M13: 9,224,803 km (0.108 R)
• M14: 10,371,920 km (0.1 R)
• M15: 11,263,972 km (0.111 R)
• M16: 12,025,574 km (0.083 R)
• M17: 12,449,684 km (0.083 R)
• M18: 13,199,768 km (0.083 R)
• M19: 13,456,478 km (0.091 R)
• M20: 16,429,885 km (0.098 R)
• M21: 16,952,132 km (0.115 R)
• M22: 20,406,197 km (0.078 R)
• M23: 21,184,106 km (0.09 R)
• M24: 23,920,550 km (0.118 R)
• M25: 24,980,152 km (0.083 R)
• M26: 30,527,989 km (0.099 R)
• M27: 33,646,655 km (0.113 R)
• M28: 35,098,353 km (0.116 R)
• M29: 36,339,716 km (0.101 R)
• M30: 42,847,822 km (0.078 R)
• M31: 47,492,686 km (0.074 R)
• M32: 49,626,251 km (0.096 R)
• M33: 51,663,924 km (0.115 R)
• M34: 54,741,302 km (0.026 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 16,123 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit