🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.8

Radius: 11

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.62 AU - 0.86 AU

Year: 418 Days

Day: 11.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,199,505 km

• M1: 137,032 km (0.098 R)
• M2: 744,249 km (0.104 R)
• M3: 1,456,335 km (0.074 R)
• M4: 1,893,759 km (0.117 R)
• M5: 2,312,633 km (0.105 R)
• M6: 3,717,058 km (0.062 R)
• M7: 4,062,929 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.4

Radius: 10.6

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.1 AU - 2.52 AU

Year: 2303 Days

Day: 6.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,199,505 km

• M1: 131,945 km (0.091 R)
• M2: 539,450 km (0.12 R)
• M3: 1,100,592 km (0.118 R)
• M4: 1,507,498 km (0.093 R)
• M5: 2,174,405 km (0.07 R)
• M6: 3,427,138 km (0.098 R)
• M7: 5,628,620 km (0.047 R)
• M8: 6,131,119 km (0.07 R)
• M9: 6,473,549 km (0.063 R)
• M10: 8,035,799 km (0.064 R)
• M11: 9,174,089 km (0.112 R)
• M12: 12,299,189 km (0.067 R)
• M13: 13,103,577 km (0.067 R)
• M14: 14,816,921 km (0.074 R)
• M15: 15,484,427 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69

Radius: 12.1

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.43 AU - 3.11 AU

Year: 3024 Days

Day: 8.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,199,505 km

• M1: 155,582 km (0.057 R)
• M2: 647,759 km (0.081 R)
• M3: 1,380,340 km (0.111 R)
• M4: 2,152,564 km (0.092 R)
• M5: 2,543,912 km (0.092 R)
• M6: 3,127,493 km (0.079 R)
• M7: 3,560,130 km (0.082 R)
• M8: 4,342,976 km (0.105 R)
• M9: 5,180,425 km (0.11 R)
• M10: 6,380,648 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.9

Radius: 9.8

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.61 AU - 4.31 AU

Year: 4222 Days

Day: 7.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,199,505 km

• M1: 125,213 km (0.074 R)
• M2: 441,164 km (0.112 R)
• M3: 1,321,398 km (0.103 R)
• M4: 2,512,496 km (0.113 R)
• M5: 3,366,251 km (0.105 R)
• M6: 3,732,467 km (0.06 R)
• M7: 4,497,361 km (0.104 R)
• M8: 6,550,891 km (0.1 R)
• M9: 6,961,836 km (0.093 R)
• M10: 7,696,511 km (0.117 R)
• M11: 8,482,050 km (0.071 R)
• M12: 9,597,900 km (0.066 R)
• M13: 10,128,673 km (0.086 R)
• M14: 13,082,035 km (0.091 R)
• M15: 16,392,635 km (0.12 R)
• M16: 16,915,630 km (0.119 R)
• M17: 19,247,262 km (0.03 R)
• M18: 21,233,323 km (0.089 R)
• M19: 22,774,032 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 495.5

Radius: 3.1

Gravity: 51.56 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 6.45 AU - 6.81 AU

Year: 11199 Days

Day: 24.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,199,505 km

• M1: 38,596 km (0.091 R)
• M2: 142,716 km (0.092 R)
• M3: 250,576 km (0.104 R)
• M4: 480,359 km (0.071 R)
• M5: 610,060 km (0.079 R)
• M6: 872,455 km (0.117 R)
• M7: 1,067,231 km (0.05 R)
• M8: 1,290,431 km (0.115 R)
• M9: 1,515,426 km (0.096 R)
• M10: 3,257,344 km (0.052 R)
• M11: 3,648,094 km (0.071 R)
• M12: 5,262,703 km (0.028 R)
• M13: 6,445,424 km (0.036 R)
• M14: 9,464,160 km (0.064 R)
• M15: 9,706,658 km (0.044 R)
• M16: 20,230,718 km (0.12 R)
• M17: 20,552,204 km (0.113 R)
• M18: 22,125,226 km (0.103 R)
• M19: 22,466,309 km (0.076 R)
• M20: 22,984,516 km (0.118 R)
• M21: 23,246,612 km (0.048 R)
• M22: 25,695,529 km (0.109 R)
• M23: 26,548,685 km (0.1 R)
• M24: 28,713,067 km (0.104 R)
• M25: 30,780,061 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.7

Radius: 3.8

Gravity: 52.26 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.9 AU - 8.3 AU

Year: 13745 Days

Day: 15.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,199,505 km

• M1: 47,273 km (0.118 R)
• M2: 229,932 km (0.048 R)
• M3: 453,581 km (0.062 R)
• M4: 663,467 km (0.09 R)
• M5: 935,585 km (0.11 R)
• M6: 1,404,126 km (0.113 R)
• M7: 1,698,385 km (0.09 R)
• M8: 3,020,979 km (0.094 R)
• M9: 3,272,154 km (0.069 R)
• M10: 3,730,821 km (0.118 R)
• M11: 4,261,894 km (0.1 R)
• M12: 5,080,942 km (0.114 R)
• M13: 5,327,779 km (0.077 R)
• M14: 5,807,539 km (0.116 R)
• M15: 8,745,342 km (0.12 R)
• M16: 9,464,160 km (0.072 R)
• M17: 12,352,895 km (0.025 R)
• M18: 20,843,172 km (0.082 R)
• M19: 22,588,082 km (0.032 R)
• M20: 26,575,015 km (0.108 R)
• M21: 30,542,500 km (0.116 R)
• M22: 35,649,023 km (0.081 R)
• M23: 40,734,154 km (0.116 R)
• M24: 42,291,617 km (0.062 R)
• M25: 44,330,636 km (0.116 R)
• M26: 46,740,209 km (0.05 R)
• M27: 51,982,567 km (0.051 R)
• M28: 55,342,984 km (0.096 R)
• M29: 55,514,723 km (0.108 R)
• M30: 56,726,765 km (0.085 R)
• M31: 58,488,728 km (0.115 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: 312 - 13,422 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit