🌌 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: 958.3

Radius: 13.6

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.79 AU - 0.89 AU

Year: 505 Days

Day: 13.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,765,803 km

• M1: 169,195 km (0.12 R)
• M2: 606,769 km (0.09 R)
• M3: 1,825,543 km (0.066 R)
• M4: 2,509,654 km (0.069 R)
• M5: 4,172,434 km (0.112 R)
• M6: 4,688,846 km (0.086 R)
• M7: 5,145,868 km (0.047 R)
• M8: 6,169,566 km (0.046 R)
• M9: 7,281,826 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.9

Radius: 9.5

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.92 AU - 2.2 AU

Year: 1940 Days

Day: 12.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 90,765,803 km

• M1: 119,230 km (0.114 R)
• M2: 430,991 km (0.094 R)
• M3: 731,982 km (0.057 R)
• M4: 1,308,233 km (0.112 R)
• M5: 1,650,962 km (0.119 R)
• M6: 1,958,835 km (0.097 R)
• M7: 2,678,400 km (0.116 R)
• M8: 3,222,039 km (0.062 R)
• M9: 3,636,275 km (0.107 R)
• M10: 4,027,474 km (0.082 R)
• M11: 4,488,086 km (0.029 R)
• M12: 5,733,338 km (0.114 R)
• M13: 6,238,979 km (0.074 R)
• M14: 8,058,987 km (0.108 R)
• M15: 8,372,394 km (0.039 R)
• M16: 9,293,618 km (0.095 R)
• M17: 10,464,371 km (0.106 R)
• M18: 11,810,602 km (0.086 R)
• M19: 13,884,478 km (0.105 R)
• M20: 14,519,072 km (0.108 R)
• M21: 16,339,079 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.6

Radius: 11.3

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.42 AU - 6.3 AU

Year: 8141 Days

Day: 5.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 90,765,803 km

• M1: 140,472 km (0.064 R)
• M2: 597,045 km (0.098 R)
• M3: 1,167,312 km (0.119 R)
• M4: 1,666,969 km (0.108 R)
• M5: 2,379,653 km (0.114 R)
• M6: 3,378,219 km (0.093 R)
• M7: 4,351,503 km (0.089 R)
• M8: 4,783,841 km (0.097 R)
• M9: 6,583,653 km (0.115 R)
• M10: 7,273,448 km (0.111 R)
• M11: 10,780,621 km (0.085 R)
• M12: 15,611,585 km (0.082 R)
• M13: 19,098,562 km (0.112 R)
• M14: 26,135,646 km (0.047 R)
• M15: 27,959,842 km (0.103 R)
• M16: 31,010,591 km (0.115 R)
• M17: 31,539,719 km (0.075 R)
• M18: 32,943,845 km (0.076 R)
• M19: 41,101,267 km (0.085 R)
• M20: 41,611,695 km (0.047 R)
• M21: 42,255,714 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.4

Radius: 8.8

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.72 AU - 6.44 AU

Year: 8647 Days

Day: 13.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,765,803 km

• M1: 109,506 km (0.102 R)
• M2: 668,702 km (0.114 R)
• M3: 1,415,645 km (0.087 R)
• M4: 2,839,816 km (0.084 R)
• M5: 3,486,229 km (0.097 R)
• M6: 5,154,095 km (0.109 R)
• M7: 5,833,120 km (0.066 R)
• M8: 6,840,961 km (0.118 R)
• M9: 7,513,703 km (0.115 R)
• M10: 13,731,439 km (0.079 R)
• M11: 14,063,097 km (0.113 R)
• M12: 19,082,555 km (0.108 R)
• M13: 19,357,516 km (0.116 R)
• M14: 19,985,976 km (0.043 R)
• M15: 21,653,544 km (0.077 R)
• M16: 23,885,843 km (0.107 R)
• M17: 25,511,972 km (0.12 R)
• M18: 27,384,638 km (0.111 R)
• M19: 28,087,599 km (0.075 R)
• M20: 29,346,913 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 805.4

Radius: 4

Gravity: 50.34 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 8.43 AU - 13.63 AU

Year: 24031 Days

Day: 23.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 90,765,803 km

• M1: 49,816 km (0.084 R)
• M2: 191,336 km (0.111 R)
• M3: 320,588 km (0.04 R)
• M4: 495,468 km (0.107 R)
• M5: 914,043 km (0.089 R)
• M6: 1,227,002 km (0.107 R)
• M7: 2,354,970 km (0.09 R)
• M8: 2,623,647 km (0.11 R)
• M9: 3,022,326 km (0.066 R)
• M10: 3,221,740 km (0.119 R)
• M11: 3,939,211 km (0.111 R)
• M12: 4,074,148 km (0.11 R)
• M13: 4,757,511 km (0.091 R)
• M14: 5,683,074 km (0.092 R)
• M15: 5,812,176 km (0.045 R)
• M16: 8,097,733 km (0.105 R)
• M17: 10,144,980 km (0.116 R)
• M18: 12,805,129 km (0.084 R)
• M19: 13,941,175 km (0.106 R)
• M20: 17,567,128 km (0.12 R)
• M21: 19,255,191 km (0.041 R)
• M22: 20,539,488 km (0.118 R)
• M23: 21,985,352 km (0.074 R)
• M24: 23,167,773 km (0.107 R)
• M25: 24,166,339 km (0.063 R)
• M26: 25,658,877 km (0.115 R)
• M27: 26,487,500 km (0.106 R)
• M28: 31,298,867 km (0.069 R)
• M29: 34,762,955 km (0.106 R)
• M30: 44,437,449 km (0.076 R)
• M31: 46,845,526 km (0.111 R)
• M32: 47,726,358 km (0.075 R)
• M33: 52,673,560 km (0.069 R)
• M34: 55,957,532 km (0.113 R)
• M35: 71,382,569 km (0.073 R)
• M36: 71,847,220 km (0.107 R)
• M37: 75,397,028 km (0.093 R)
• M38: 81,570,034 km (0.108 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: 317 - 13,259 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit