🌌 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: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.3

Radius: 8.8

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.52 AU - 0.7 AU

Year: 323 Days

Day: 8.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 75,580,845 km

• M1: 113,395 km (0.118 R)
• M2: 492,027 km (0.043 R)
• M3: 943,215 km (0.108 R)
• M4: 1,320,500 km (0.06 R)
• M5: 2,400,597 km (0.105 R)
• M6: 3,245,825 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.4

Radius: 12.9

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.1 AU - 1.4 AU

Year: 948 Days

Day: 12.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 59.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,580,845 km

• M1: 160,369 km (0.096 R)
• M2: 706,102 km (0.076 R)
• M3: 1,134,401 km (0.086 R)
• M4: 2,461,633 km (0.119 R)
• M5: 2,897,262 km (0.027 R)
• M6: 3,315,687 km (0.033 R)
• M7: 3,865,310 km (0.113 R)
• M8: 5,549,782 km (0.095 R)
• M9: 6,721,881 km (0.093 R)
• M10: 7,201,791 km (0.044 R)
• M11: 8,594,697 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.3

Radius: 14.7

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.01 AU - 3.03 AU

Year: 2713 Days

Day: 14.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,580,845 km

• M1: 182,809 km (0.078 R)
• M2: 836,402 km (0.053 R)
• M3: 1,429,108 km (0.117 R)
• M4: 2,031,988 km (0.093 R)
• M5: 2,991,359 km (0.117 R)
• M6: 3,922,755 km (0.101 R)
• M7: 5,104,579 km (0.077 R)
• M8: 5,639,391 km (0.12 R)
• M9: 7,872,139 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.2

Radius: 12.7

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.36 AU - 3.26 AU

Year: 3195 Days

Day: 11.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,580,845 km

• M1: 157,975 km (0.116 R)
• M2: 582,833 km (0.108 R)
• M3: 1,001,707 km (0.117 R)
• M4: 1,494,782 km (0.039 R)
• M5: 2,263,565 km (0.077 R)
• M6: 2,791,197 km (0.106 R)
• M7: 4,097,037 km (0.11 R)
• M8: 5,295,166 km (0.096 R)
• M9: 5,850,324 km (0.058 R)
• M10: 6,605,494 km (0.113 R)
• M11: 7,454,163 km (0.115 R)
• M12: 9,646,220 km (0.11 R)
• M13: 12,238,751 km (0.101 R)
• M14: 13,651,105 km (0.057 R)
• M15: 14,697,841 km (0.117 R)
• M16: 15,895,671 km (0.095 R)
• M17: 16,493,165 km (0.104 R)
• M18: 17,261,201 km (0.109 R)
• M19: 17,839,396 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.8

Radius: 14.8

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.39 AU - 3.31 AU

Year: 3263 Days

Day: 13.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,580,845 km

• M1: 185,053 km (0.035 R)
• M2: 825,780 km (0.097 R)
• M3: 1,737,430 km (0.119 R)
• M4: 2,565,753 km (0.1 R)
• M5: 3,088,897 km (0.112 R)
• M6: 3,796,046 km (0.054 R)
• M7: 4,544,634 km (0.051 R)
• M8: 5,198,825 km (0.054 R)
• M9: 5,812,775 km (0.071 R)
• M10: 6,725,322 km (0.078 R)
• M11: 10,571,184 km (0.107 R)
• M12: 11,038,677 km (0.092 R)
• M13: 11,765,573 km (0.098 R)
• M14: 13,315,557 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.6

Radius: 8.7

Gravity: 12.72 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.62 AU - 3.4 AU

Year: 3542 Days

Day: 14.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,580,845 km

• M1: 108,159 km (0.083 R)
• M2: 487,539 km (0.107 R)
• M3: 952,938 km (0.113 R)
• M4: 1,275,621 km (0.099 R)
• M5: 1,671,756 km (0.058 R)
• M6: 2,499,032 km (0.058 R)
• M7: 3,238,196 km (0.11 R)
• M8: 3,576,137 km (0.069 R)
• M9: 4,207,291 km (0.032 R)
• M10: 4,489,432 km (0.092 R)
• M11: 4,961,862 km (0.11 R)
• M12: 5,578,056 km (0.102 R)
• M13: 6,094,916 km (0.109 R)
• M14: 6,833,481 km (0.117 R)
• M15: 8,159,217 km (0.115 R)
• M16: 11,628,542 km (0.062 R)
• M17: 12,909,249 km (0.111 R)
• M18: 16,605,663 km (0.085 R)
• M19: 17,134,641 km (0.102 R)
• M20: 18,164,323 km (0.119 R)
• M21: 21,501,104 km (0.096 R)
• M22: 21,848,769 km (0.084 R)
• M23: 22,698,485 km (0.096 R)
• M24: 23,350,133 km (0.113 R)
• M25: 25,072,005 km (0.07 R)
• M26: 25,457,219 km (0.091 R)
• M27: 26,636,649 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 645.6

Radius: 6.1

Gravity: 17.35 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 9.5 AU - 9.84 AU

Year: 20395 Days

Day: 21 Hours

Environment

Temp: -237 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,580,845 km

• M1: 75,996 km (0.108 R)
• M2: 320,588 km (0.088 R)
• M3: 1,055,712 km (0.05 R)
• M4: 1,449,454 km (0.068 R)
• M5: 1,680,582 km (0.053 R)
• M6: 2,114,566 km (0.093 R)
• M7: 3,122,706 km (0.109 R)
• M8: 3,540,234 km (0.091 R)
• M9: 5,629,966 km (0.076 R)
• M10: 9,684,966 km (0.079 R)
• M11: 13,264,843 km (0.056 R)
• M12: 15,425,784 km (0.054 R)
• M13: 15,661,999 km (0.118 R)
• M14: 16,466,686 km (0.055 R)
• M15: 23,504,219 km (0.059 R)
• M16: 28,257,991 km (0.109 R)
• M17: 29,569,515 km (0.086 R)
• M18: 32,313,290 km (0.08 R)
• M19: 35,222,220 km (0.048 R)
• M20: 36,044,859 km (0.106 R)
• M21: 40,500,332 km (0.09 R)
• M22: 55,119,036 km (0.078 R)
• M23: 55,671,202 km (0.094 R)
• M24: 59,447,800 km (0.11 R)
• M25: 59,640,931 km (0.112 R)
• M26: 63,593,157 km (0.117 R)
• M27: 69,200,534 km (0.081 R)
• M28: 71,140,519 km (0.036 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 17,497 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit