🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.2

Radius: 8.3

Gravity: 12.14 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.66 AU - 1.02 AU

Year: 522 Days

Day: 5.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,743,319 km

• M1: 103,223 km (0.074 R)
• M2: 392,844 km (0.117 R)
• M3: 733,179 km (0.084 R)
• M4: 1,033,422 km (0.061 R)
• M5: 1,458,130 km (0.089 R)
• M6: 1,768,097 km (0.112 R)
• M7: 2,103,496 km (0.103 R)
• M8: 2,400,298 km (0.058 R)
• M9: 2,961,439 km (0.105 R)
• M10: 3,502,236 km (0.08 R)
• M11: 4,049,465 km (0.102 R)
• M12: 4,419,719 km (0.047 R)
• M13: 4,731,930 km (0.054 R)
• M14: 5,279,608 km (0.117 R)
• M15: 5,721,969 km (0.115 R)
• M16: 6,246,758 km (0.056 R)
• M17: 6,803,113 km (0.079 R)
• M18: 7,093,482 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.9

Radius: 14.4

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.84 AU - 1.38 AU

Year: 793 Days

Day: 7.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,743,319 km

• M1: 179,069 km (0.099 R)
• M2: 631,453 km (0.049 R)
• M3: 1,389,315 km (0.073 R)
• M4: 2,053,380 km (0.117 R)
• M5: 2,574,430 km (0.092 R)
• M6: 3,238,196 km (0.047 R)
• M7: 3,828,210 km (0.081 R)
• M8: 4,371,549 km (0.057 R)
• M9: 5,039,803 km (0.037 R)
• M10: 5,714,938 km (0.036 R)
• M11: 6,212,201 km (0.12 R)
• M12: 7,152,573 km (0.1 R)
• M13: 8,525,433 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855

Radius: 11.2

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.2 AU - 1.74 AU

Year: 1209 Days

Day: 12.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,743,319 km

• M1: 139,276 km (0.055 R)
• M2: 665,112 km (0.049 R)
• M3: 1,031,178 km (0.07 R)
• M4: 1,814,024 km (0.049 R)
• M5: 3,013,649 km (0.117 R)
• M6: 3,581,971 km (0.11 R)
• M7: 4,011,168 km (0.06 R)
• M8: 4,456,072 km (0.082 R)
• M9: 4,914,140 km (0.076 R)
• M10: 5,278,112 km (0.092 R)
• M11: 6,314,825 km (0.117 R)
• M12: 7,829,504 km (0.043 R)
• M13: 8,584,973 km (0.115 R)
• M14: 9,145,217 km (0.104 R)
• M15: 10,273,634 km (0.101 R)
• M16: 11,007,561 km (0.114 R)
• M17: 11,422,396 km (0.074 R)
• M18: 12,137,025 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.9

Radius: 13.6

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.73 AU - 1.75 AU

Year: 1557 Days

Day: 13.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,743,319 km

• M1: 182,809 km (0.069 R)
• M2: 646,712 km (0.064 R)
• M3: 1,112,709 km (0.109 R)
• M4: 2,639,206 km (0.05 R)
• M5: 3,402,604 km (0.057 R)
• M6: 4,624,818 km (0.055 R)
• M7: 5,326,133 km (0.037 R)
• M8: 6,522,916 km (0.08 R)
• M9: 8,247,480 km (0.098 R)
• M10: 8,927,253 km (0.114 R)
• M11: 11,304,214 km (0.111 R)
• M12: 11,910,833 km (0.055 R)
• M13: 13,355,200 km (0.091 R)
• M14: 14,645,632 km (0.037 R)
• M15: 15,412,919 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.8

Radius: 10.9

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.58 AU - 3.72 AU

Year: 4730 Days

Day: 8.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,743,319 km

• M1: 135,685 km (0.045 R)
• M2: 618,288 km (0.077 R)
• M3: 1,183,020 km (0.119 R)
• M4: 1,666,071 km (0.104 R)
• M5: 2,045,003 km (0.119 R)
• M6: 2,731,657 km (0.086 R)
• M7: 4,203,700 km (0.047 R)
• M8: 7,505,325 km (0.068 R)
• M9: 9,411,202 km (0.068 R)
• M10: 9,778,465 km (0.068 R)
• M11: 11,713,513 km (0.08 R)
• M12: 15,131,525 km (0.058 R)
• M13: 16,798,345 km (0.116 R)
• M14: 17,339,740 km (0.072 R)
• M15: 21,042,736 km (0.027 R)
• M16: 25,873,251 km (0.099 R)
• M17: 26,353,311 km (0.107 R)
• M18: 28,248,865 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.4

Radius: 3.3

Gravity: 15.37 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.12 AU - 7.3 AU

Year: 10496 Days

Day: 24.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,743,319 km

• M1: 40,990 km (0.072 R)
• M2: 233,522 km (0.098 R)
• M3: 463,005 km (0.049 R)
• M4: 726,896 km (0.117 R)
• M5: 1,082,640 km (0.062 R)
• M6: 1,310,328 km (0.079 R)
• M7: 1,846,487 km (0.037 R)
• M8: 2,186,971 km (0.108 R)
• M9: 2,585,350 km (0.109 R)
• M10: 2,857,768 km (0.037 R)
• M11: 3,744,734 km (0.089 R)
• M12: 3,904,804 km (0.085 R)
• M13: 4,362,124 km (0.079 R)
• M14: 4,962,461 km (0.075 R)
• M15: 7,126,244 km (0.119 R)
• M16: 7,230,963 km (0.049 R)
• M17: 9,008,485 km (0.038 R)
• M18: 9,760,064 km (0.077 R)
• M19: 10,195,244 km (0.06 R)
• M20: 11,578,127 km (0.041 R)
• M21: 13,290,873 km (0.056 R)
• M22: 13,663,372 km (0.077 R)
• M23: 14,993,297 km (0.049 R)
• M24: 15,338,718 km (0.076 R)
• M25: 23,642,298 km (0.048 R)
• M26: 29,222,298 km (0.106 R)
• M27: 30,489,692 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 500.2

Radius: 6.1

Gravity: 13.44 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 5.3 AU - 8.28 AU

Year: 12000 Days

Day: 15.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 48,743,319 km

• M1: 79,736 km (0.076 R)
• M2: 298,448 km (0.059 R)
• M3: 566,378 km (0.1 R)
• M4: 1,002,156 km (0.113 R)
• M5: 2,022,713 km (0.031 R)
• M6: 3,579,428 km (0.047 R)
• M7: 4,165,254 km (0.096 R)
• M8: 4,690,492 km (0.087 R)
• M9: 5,193,440 km (0.11 R)
• M10: 5,525,697 km (0.067 R)
• M11: 6,306,448 km (0.094 R)
• M12: 6,569,740 km (0.088 R)
• M13: 6,762,123 km (0.093 R)
• M14: 7,321,320 km (0.043 R)
• M15: 9,620,639 km (0.077 R)
• M16: 10,071,078 km (0.094 R)
• M17: 10,853,026 km (0.03 R)
• M18: 13,503,003 km (0.045 R)
• M19: 17,274,665 km (0.114 R)
• M20: 17,642,077 km (0.088 R)
• M21: 18,089,973 km (0.039 R)
• M22: 18,468,904 km (0.047 R)
• M23: 19,242,774 km (0.088 R)
• M24: 30,494,329 km (0.096 R)
• M25: 33,128,448 km (0.092 R)
• M26: 35,910,370 km (0.105 R)
• M27: 36,508,912 km (0.079 R)
• M28: 36,871,238 km (0.114 R)
• M29: 38,593,857 km (0.102 R)
• M30: 40,240,780 km (0.083 R)
• M31: 42,331,410 km (0.114 R)
• M32: 45,601,470 km (0.099 R)
• M33: 48,016,877 km (0.105 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 15,644 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit