🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.47 AU - 0.57 AU

Year: 246 Days

Day: 30.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 4.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.54 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.4

Radius: 12.4

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.09 AU - 3.01 AU

Year: 2671 Days

Day: 7.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,825,899 km

• M1: 154,385 km (0.09 R)
• M2: 596,297 km (0.119 R)
• M3: 1,063,790 km (0.093 R)
• M4: 1,537,866 km (0.092 R)
• M5: 2,027,201 km (0.109 R)
• M6: 2,423,037 km (0.095 R)
• M7: 2,914,615 km (0.074 R)
• M8: 4,045,426 km (0.064 R)
• M9: 5,293,820 km (0.076 R)
• M10: 6,862,503 km (0.097 R)
• M11: 8,087,859 km (0.073 R)
• M12: 8,846,320 km (0.091 R)
• M13: 9,291,524 km (0.114 R)
• M14: 9,718,177 km (0.12 R)
• M15: 10,611,127 km (0.113 R)
• M16: 11,708,427 km (0.096 R)
• M17: 12,759,352 km (0.104 R)
• M18: 13,535,915 km (0.072 R)
• M19: 14,386,977 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.2

Radius: 13.4

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.65 AU - 3.75 AU

Year: 3755 Days

Day: 13.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,825,899 km

• M1: 166,652 km (0.093 R)
• M2: 585,227 km (0.112 R)
• M3: 1,094,308 km (0.086 R)
• M4: 2,208,962 km (0.076 R)
• M5: 3,072,441 km (0.088 R)
• M6: 3,792,755 km (0.098 R)
• M7: 4,599,835 km (0.099 R)
• M8: 5,518,665 km (0.103 R)
• M9: 6,497,335 km (0.093 R)
• M10: 8,195,271 km (0.114 R)
• M11: 9,166,310 km (0.086 R)
• M12: 11,467,126 km (0.072 R)
• M13: 12,821,884 km (0.07 R)
• M14: 14,946,174 km (0.103 R)
• M15: 16,174,223 km (0.12 R)
• M16: 17,181,465 km (0.049 R)
• M17: 23,272,342 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.7

Radius: 14.8

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.18 AU - 3.24 AU

Year: 3773 Days

Day: 6 Hours

Environment

Temp: -212 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,825,899 km

• M1: 184,454 km (0.075 R)
• M2: 650,003 km (0.091 R)
• M3: 1,140,385 km (0.115 R)
• M4: 1,785,002 km (0.06 R)
• M5: 3,480,394 km (0.102 R)
• M6: 4,307,970 km (0.093 R)
• M7: 5,470,794 km (0.028 R)
• M8: 6,217,736 km (0.111 R)
• M9: 6,785,311 km (0.085 R)
• M10: 7,754,854 km (0.099 R)
• M11: 8,329,161 km (0.082 R)
• M12: 10,649,872 km (0.102 R)
• M13: 12,284,977 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.6

Radius: 12.5

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.28 AU - 3.7 AU

Year: 4277 Days

Day: 9.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,825,899 km

• M1: 157,227 km (0.057 R)
• M2: 575,054 km (0.106 R)
• M3: 1,802,355 km (0.095 R)
• M4: 2,734,200 km (0.109 R)
• M5: 3,797,392 km (0.075 R)
• M6: 4,313,355 km (0.116 R)
• M7: 5,774,627 km (0.095 R)
• M8: 6,276,827 km (0.091 R)
• M9: 6,753,596 km (0.078 R)
• M10: 7,484,980 km (0.038 R)
• M11: 9,139,383 km (0.078 R)
• M12: 11,604,008 km (0.101 R)
• M13: 12,324,321 km (0.115 R)
• M14: 13,503,901 km (0.111 R)
• M15: 13,942,821 km (0.116 R)
• M16: 16,037,939 km (0.081 R)
• M17: 16,630,496 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 822.9

Radius: 3

Gravity: 91.43 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 9.2 AU - 9.58 AU

Year: 18876 Days

Day: 20.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 77,825,899 km

• M1: 37,549 km (0.101 R)
• M2: 140,772 km (0.105 R)
• M3: 361,877 km (0.084 R)
• M4: 490,980 km (0.099 R)
• M5: 757,713 km (0.09 R)
• M6: 1,112,709 km (0.1 R)
• M7: 2,757,238 km (0.1 R)
• M8: 2,935,709 km (0.09 R)
• M9: 3,606,505 km (0.104 R)
• M10: 4,172,285 km (0.084 R)
• M11: 5,398,538 km (0.064 R)
• M12: 7,078,672 km (0.043 R)
• M13: 7,708,180 km (0.08 R)
• M14: 7,959,953 km (0.105 R)
• M15: 10,416,799 km (0.09 R)
• M16: 10,600,804 km (0.111 R)
• M17: 11,815,988 km (0.099 R)
• M18: 12,286,174 km (0.091 R)
• M19: 13,263,796 km (0.114 R)
• M20: 16,423,004 km (0.058 R)
• M21: 16,588,908 km (0.091 R)
• M22: 16,755,710 km (0.05 R)
• M23: 19,954,860 km (0.078 R)
• M24: 21,796,859 km (0.113 R)
• M25: 23,016,680 km (0.079 R)
• M26: 25,370,004 km (0.054 R)
• M27: 27,996,494 km (0.066 R)
• M28: 28,950,928 km (0.066 R)
• M29: 29,803,636 km (0.041 R)
• M30: 31,177,243 km (0.042 R)
• M31: 34,590,618 km (0.116 R)
• M32: 35,688,966 km (0.12 R)
• M33: 36,527,761 km (0.057 R)
• M34: 36,668,832 km (0.043 R)
• M35: 48,486,764 km (0.096 R)
• M36: 59,043,886 km (0.068 R)
• M37: 66,101,465 km (0.056 R)
• M38: 66,731,272 km (0.082 R)
• M39: 69,075,022 km (0.103 R)
• M40: 73,925,733 km (0.1 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: 511 - 10,899 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit