🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.9

Radius: 12.6

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.15 AU - 1.73 AU

Year: 1215 Days

Day: 12.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,915,853 km

• M1: 157,078 km (0.044 R)
• M2: 658,081 km (0.119 R)
• M3: 1,145,770 km (0.114 R)
• M4: 1,631,814 km (0.097 R)
• M5: 2,332,979 km (0.095 R)
• M6: 2,735,547 km (0.114 R)
• M7: 3,546,966 km (0.067 R)
• M8: 3,985,287 km (0.102 R)
• M9: 4,530,572 km (0.109 R)
• M10: 4,991,034 km (0.083 R)
• M11: 5,421,876 km (0.096 R)
• M12: 6,314,227 km (0.088 R)
• M13: 7,376,372 km (0.113 R)
• M14: 8,417,423 km (0.081 R)
• M15: 9,030,475 km (0.066 R)
• M16: 9,823,494 km (0.098 R)
• M17: 10,919,747 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202

Radius: 9.8

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.56 AU - 3.58 AU

Year: 3781 Days

Day: 13.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,915,853 km

• M1: 122,072 km (0.09 R)
• M2: 509,231 km (0.118 R)
• M3: 995,125 km (0.114 R)
• M4: 1,610,870 km (0.096 R)
• M5: 2,082,253 km (0.063 R)
• M6: 2,450,413 km (0.091 R)
• M7: 2,758,734 km (0.093 R)
• M8: 3,270,209 km (0.071 R)
• M9: 3,610,245 km (0.098 R)
• M10: 5,080,493 km (0.063 R)
• M11: 5,753,684 km (0.102 R)
• M12: 6,149,819 km (0.099 R)
• M13: 7,860,471 km (0.116 R)
• M14: 8,317,941 km (0.104 R)
• M15: 10,113,863 km (0.096 R)
• M16: 15,518,685 km (0.063 R)
• M17: 15,852,288 km (0.117 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 581

Radius: 4.4

Gravity: 30.01 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 5.27 AU - 8.09 AU

Year: 12136 Days

Day: 24.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 75,915,853 km

• M1: 56,698 km (0.09 R)
• M2: 215,271 km (0.107 R)
• M3: 448,943 km (0.1 R)
• M4: 690,394 km (0.058 R)
• M5: 961,017 km (0.11 R)
• M6: 1,138,889 km (0.072 R)
• M7: 1,546,842 km (0.092 R)
• M8: 1,824,944 km (0.095 R)
• M9: 2,265,660 km (0.113 R)
• M10: 2,839,966 km (0.069 R)
• M11: 3,330,348 km (0.104 R)
• M12: 3,848,106 km (0.038 R)
• M13: 4,126,208 km (0.091 R)
• M14: 5,477,376 km (0.103 R)
• M15: 5,757,723 km (0.089 R)
• M16: 6,047,644 km (0.108 R)
• M17: 7,645,498 km (0.118 R)
• M18: 10,972,256 km (0.11 R)
• M19: 12,949,192 km (0.059 R)
• M20: 13,700,173 km (0.102 R)
• M21: 14,216,734 km (0.082 R)
• M22: 14,746,012 km (0.049 R)
• M23: 15,426,084 km (0.112 R)
• M24: 16,341,174 km (0.066 R)
• M25: 22,072,268 km (0.106 R)
• M26: 22,692,052 km (0.094 R)
• M27: 23,597,419 km (0.12 R)
• M28: 24,810,059 km (0.117 R)
• M29: 25,191,384 km (0.089 R)
• M30: 26,063,689 km (0.111 R)
• M31: 26,855,810 km (0.09 R)
• M32: 28,383,952 km (0.064 R)
• M33: 32,173,416 km (0.056 R)
• M34: 33,199,507 km (0.102 R)
• M35: 33,779,050 km (0.115 R)
• M36: 37,773,462 km (0.064 R)
• M37: 39,171,903 km (0.07 R)
• M38: 48,442,035 km (0.047 R)
• M39: 48,590,436 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723.7

Radius: 4.6

Gravity: 34.2 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 7.55 AU - 10.71 AU

Year: 19392 Days

Day: 23.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 75,915,853 km

• M1: 57,595 km (0.057 R)
• M2: 235,617 km (0.101 R)
• M3: 537,505 km (0.058 R)
• M4: 759,808 km (0.065 R)
• M5: 956,379 km (0.07 R)
• M6: 2,734,051 km (0.051 R)
• M7: 4,696,924 km (0.08 R)
• M8: 5,479,022 km (0.116 R)
• M9: 5,637,446 km (0.103 R)
• M10: 5,921,682 km (0.111 R)
• M11: 6,878,061 km (0.116 R)
• M12: 9,313,814 km (0.105 R)
• M13: 9,482,710 km (0.103 R)
• M14: 10,119,997 km (0.03 R)
• M15: 10,723,475 km (0.103 R)
• M16: 14,179,784 km (0.117 R)
• M17: 15,011,847 km (0.102 R)
• M18: 17,191,189 km (0.055 R)
• M19: 17,616,645 km (0.081 R)
• M20: 17,788,832 km (0.067 R)
• M21: 18,935,201 km (0.12 R)
• M22: 19,206,721 km (0.046 R)
• M23: 22,265,249 km (0.109 R)
• M24: 24,332,991 km (0.063 R)
• M25: 27,093,222 km (0.069 R)
• M26: 28,845,761 km (0.097 R)
• M27: 29,446,396 km (0.067 R)
• M28: 31,046,794 km (0.059 R)
• M29: 33,095,088 km (0.115 R)
• M30: 34,018,855 km (0.12 R)
• M31: 41,577,886 km (0.045 R)
• M32: 47,637,348 km (0.105 R)
• M33: 48,983,878 km (0.071 R)
• M34: 51,576,708 km (0.072 R)
• M35: 65,508,160 km (0.112 R)
• M36: 69,505,714 km (0.113 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 10,658 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit