🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.72 AU - 0.98 AU

Year: 342 Days

Day: 42.7 Hours

Environment

Temp: -43 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.98 AU - 1.58 AU

Year: 632 Days

Day: 19.1 Hours

Environment

Temp: -78 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.4

Radius: 12.3

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.82 AU - 2.92 AU

Year: 2123 Days

Day: 11.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,965,004 km

• M1: 153,039 km (0.106 R)
• M2: 560,842 km (0.1 R)
• M3: 977,173 km (0.047 R)
• M4: 1,461,721 km (0.087 R)
• M5: 1,879,996 km (0.105 R)
• M6: 2,272,541 km (0.114 R)
• M7: 2,780,426 km (0.115 R)
• M8: 3,294,893 km (0.101 R)
• M9: 3,872,490 km (0.083 R)
• M10: 4,538,051 km (0.098 R)
• M11: 5,069,124 km (0.078 R)
• M12: 5,518,665 km (0.116 R)
• M13: 8,767,632 km (0.103 R)
• M14: 10,099,801 km (0.038 R)
• M15: 11,243,477 km (0.101 R)
• M16: 12,261,041 km (0.077 R)
• M17: 16,538,942 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259

Radius: 11.3

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.33 AU - 5.61 AU

Year: 5585 Days

Day: 14 Hours

Environment

Temp: -176 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,965,004 km

• M1: 144,661 km (0.1 R)
• M2: 2,213,450 km (0.115 R)
• M3: 3,738,600 km (0.107 R)
• M4: 7,294,691 km (0.061 R)
• M5: 8,362,820 km (0.1 R)
• M6: 9,880,191 km (0.089 R)
• M7: 10,807,848 km (0.114 R)
• M8: 14,540,763 km (0.094 R)
• M9: 16,227,031 km (0.077 R)
• M10: 20,684,150 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396.5

Radius: 4.9

Gravity: 16.51 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 9.8 AU - 12.52 AU

Year: 16276 Days

Day: 16.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 62,965,004 km

• M1: 61,036 km (0.075 R)
• M2: 529,726 km (0.105 R)
• M3: 843,433 km (0.079 R)
• M4: 1,221,766 km (0.11 R)
• M5: 1,921,435 km (0.115 R)
• M6: 2,347,939 km (0.116 R)
• M7: 2,835,029 km (0.11 R)
• M8: 3,310,900 km (0.113 R)
• M9: 3,621,016 km (0.033 R)
• M10: 4,605,520 km (0.102 R)
• M11: 4,959,169 km (0.045 R)
• M12: 5,365,178 km (0.119 R)
• M13: 6,398,750 km (0.03 R)
• M14: 7,341,815 km (0.077 R)
• M15: 8,234,166 km (0.119 R)
• M16: 9,246,794 km (0.037 R)
• M17: 10,232,046 km (0.079 R)
• M18: 12,966,395 km (0.108 R)
• M19: 15,083,953 km (0.094 R)
• M20: 16,518,298 km (0.078 R)
• M21: 16,890,647 km (0.052 R)
• M22: 22,615,907 km (0.104 R)
• M23: 27,698,046 km (0.083 R)
• M24: 28,541,778 km (0.087 R)
• M25: 31,516,232 km (0.044 R)
• M26: 39,378,348 km (0.031 R)
• M27: 41,256,699 km (0.037 R)
• M28: 48,149,271 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.3

Radius: 4.3

Gravity: 13.54 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 13.41 AU - 16.23 AU

Year: 24907 Days

Day: 24.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 62,965,004 km

• M1: 53,556 km (0.044 R)
• M2: 208,240 km (0.119 R)
• M3: 611,556 km (0.06 R)
• M4: 1,210,995 km (0.098 R)
• M5: 1,449,304 km (0.111 R)
• M6: 1,873,713 km (0.08 R)
• M7: 2,115,015 km (0.113 R)
• M8: 3,756,702 km (0.082 R)
• M9: 4,140,570 km (0.06 R)
• M10: 5,090,367 km (0.105 R)
• M11: 5,672,452 km (0.114 R)
• M12: 6,838,567 km (0.085 R)
• M13: 8,349,805 km (0.096 R)
• M14: 8,646,607 km (0.041 R)
• M15: 9,795,519 km (0.119 R)
• M16: 11,340,117 km (0.073 R)
• M17: 11,582,017 km (0.067 R)
• M18: 12,908,651 km (0.112 R)
• M19: 13,915,893 km (0.054 R)
• M20: 15,265,715 km (0.104 R)
• M21: 17,976,428 km (0.081 R)
• M22: 18,805,948 km (0.11 R)
• M23: 19,487,815 km (0.103 R)
• M24: 22,380,440 km (0.071 R)
• M25: 25,650,201 km (0.093 R)
• M26: 26,171,848 km (0.103 R)
• M27: 28,218,796 km (0.113 R)
• M28: 29,679,170 km (0.082 R)
• M29: 37,208,431 km (0.097 R)
• M30: 42,343,976 km (0.089 R)
• M31: 44,854,229 km (0.1 R)
• M32: 50,168,693 km (0.095 R)
• M33: 50,984,002 km (0.086 R)
• M34: 51,642,531 km (0.114 R)
• M35: 56,412,160 km (0.109 R)
• M36: 59,084,277 km (0.111 R)
• M37: 61,839,421 km (0.064 R)
• M38: 62,213,117 km (0.116 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 10,488 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit