🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.3

Radius: 12.7

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.69 AU - 0.91 AU

Year: 485 Days

Day: 13.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,800,829 km

• M1: 158,275 km (0.096 R)
• M2: 559,646 km (0.049 R)
• M3: 1,084,136 km (0.072 R)
• M4: 1,529,937 km (0.046 R)
• M5: 2,033,633 km (0.112 R)
• M6: 2,454,901 km (0.066 R)
• M7: 2,850,737 km (0.109 R)
• M8: 3,525,872 km (0.097 R)
• M9: 4,488,684 km (0.064 R)
• M10: 5,552,923 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.7

Radius: 11

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.16 AU - 1.24 AU

Year: 892 Days

Day: 9 Hours

Environment

Temp: -191 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,800,829 km

• M1: 136,732 km (0.072 R)
• M2: 740,210 km (0.105 R)
• M3: 1,399,039 km (0.116 R)
• M4: 1,797,418 km (0.115 R)
• M5: 2,417,950 km (0.109 R)
• M6: 2,851,335 km (0.113 R)
• M7: 3,540,084 km (0.088 R)
• M8: 4,030,167 km (0.071 R)
• M9: 4,737,914 km (0.047 R)
• M10: 5,231,587 km (0.079 R)
• M11: 5,687,113 km (0.104 R)
• M12: 6,718,141 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.8

Radius: 14

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.14 AU - 2.26 AU

Year: 2213 Days

Day: 13.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,800,829 km

• M1: 174,132 km (0.059 R)
• M2: 843,134 km (0.063 R)
• M3: 1,293,423 km (0.12 R)
• M4: 1,728,903 km (0.092 R)
• M5: 2,340,907 km (0.076 R)
• M6: 2,881,554 km (0.112 R)
• M7: 4,218,211 km (0.112 R)
• M8: 4,703,806 km (0.057 R)
• M9: 5,317,756 km (0.032 R)
• M10: 5,764,455 km (0.06 R)
• M11: 6,521,270 km (0.104 R)
• M12: 7,869,147 km (0.084 R)
• M13: 10,157,995 km (0.116 R)
• M14: 10,849,137 km (0.075 R)
• M15: 11,610,590 km (0.116 R)
• M16: 12,611,998 km (0.108 R)
• M17: 13,155,188 km (0.079 R)
• M18: 14,288,392 km (0.075 R)
• M19: 15,297,280 km (0.079 R)
• M20: 16,011,909 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.7

Radius: 13

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.12 AU - 3.86 AU

Year: 4422 Days

Day: 11.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,800,829 km

• M1: 163,510 km (0.059 R)
• M2: 624,870 km (0.1 R)
• M3: 1,110,615 km (0.097 R)
• M4: 1,559,707 km (0.094 R)
• M5: 1,994,439 km (0.038 R)
• M6: 2,426,926 km (0.071 R)
• M7: 3,594,388 km (0.063 R)
• M8: 4,260,248 km (0.091 R)
• M9: 6,762,572 km (0.055 R)
• M10: 7,361,562 km (0.054 R)
• M11: 8,104,913 km (0.096 R)
• M12: 9,074,308 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 544.7

Radius: 7.8

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 6.76 AU - 8.08 AU

Year: 13709 Days

Day: 17.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,800,829 km

• M1: 96,939 km (0.109 R)
• M2: 395,238 km (0.089 R)
• M3: 1,285,046 km (0.081 R)
• M4: 2,304,555 km (0.084 R)
• M5: 2,735,247 km (0.032 R)
• M6: 3,243,132 km (0.105 R)
• M7: 4,662,218 km (0.071 R)
• M8: 4,982,806 km (0.101 R)
• M9: 6,299,267 km (0.076 R)
• M10: 6,853,228 km (0.081 R)
• M11: 7,396,268 km (0.043 R)
• M12: 8,903,766 km (0.081 R)
• M13: 9,807,188 km (0.075 R)
• M14: 10,388,525 km (0.086 R)
• M15: 15,328,995 km (0.061 R)
• M16: 17,146,310 km (0.059 R)
• M17: 19,183,982 km (0.065 R)
• M18: 21,203,254 km (0.08 R)
• M19: 21,465,350 km (0.103 R)
• M20: 22,625,780 km (0.046 R)
• M21: 24,780,289 km (0.032 R)
• M22: 25,560,741 km (0.079 R)
• M23: 26,863,738 km (0.066 R)
• M24: 27,170,713 km (0.115 R)
• M25: 36,744,229 km (0.12 R)
• M26: 43,252,185 km (0.074 R)
• M27: 45,099,420 km (0.071 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 13,699 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit