🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.7

Radius: 9.7

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.51 AU - 0.67 AU

Year: 319 Days

Day: 11.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,906,611 km

• M1: 120,725 km (0.102 R)
• M2: 427,700 km (0.088 R)
• M3: 735,722 km (0.078 R)
• M4: 1,424,022 km (0.04 R)
• M5: 1,742,815 km (0.12 R)
• M6: 2,181,885 km (0.083 R)
• M7: 2,719,240 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.3

Radius: 13

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.54 AU - 1.84 AU

Year: 1544 Days

Day: 7.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,906,611 km

• M1: 161,715 km (0.058 R)
• M2: 758,312 km (0.103 R)
• M3: 1,414,149 km (0.03 R)
• M4: 1,939,836 km (0.093 R)
• M5: 2,381,598 km (0.061 R)
• M6: 2,990,013 km (0.082 R)
• M7: 3,457,207 km (0.117 R)
• M8: 3,903,756 km (0.059 R)
• M9: 4,464,150 km (0.103 R)
• M10: 5,016,166 km (0.042 R)
• M11: 5,613,361 km (0.112 R)
• M12: 8,058,089 km (0.106 R)
• M13: 8,550,266 km (0.069 R)
• M14: 9,436,334 km (0.069 R)
• M15: 10,115,359 km (0.066 R)
• M16: 11,142,049 km (0.094 R)
• M17: 12,124,159 km (0.083 R)
• M18: 13,282,346 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.2

Radius: 14.1

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.15 AU - 6.51 AU

Year: 8650 Days

Day: 5.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 102 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,906,611 km

• M1: 175,329 km (0.104 R)
• M2: 733,927 km (0.114 R)
• M3: 1,359,097 km (0.029 R)
• M4: 1,843,345 km (0.083 R)
• M5: 2,388,031 km (0.096 R)
• M6: 2,887,688 km (0.065 R)
• M7: 3,580,176 km (0.066 R)
• M8: 4,410,145 km (0.107 R)
• M9: 5,170,252 km (0.1 R)
• M10: 6,342,501 km (0.08 R)
• M11: 8,202,002 km (0.093 R)
• M12: 9,209,993 km (0.077 R)
• M13: 10,145,578 km (0.084 R)
• M14: 11,089,541 km (0.118 R)
• M15: 14,147,171 km (0.082 R)
• M16: 15,058,073 km (0.094 R)
• M17: 17,069,117 km (0.099 R)
• M18: 17,951,595 km (0.071 R)
• M19: 19,253,695 km (0.091 R)
• M20: 20,210,074 km (0.11 R)
• M21: 20,948,040 km (0.085 R)
• M22: 23,628,086 km (0.057 R)
• M23: 36,526,564 km (0.062 R)
• M24: 39,623,090 km (0.094 R)
• M25: 47,186,759 km (0.11 R)
• M26: 48,924,188 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267.4

Radius: 4.1

Gravity: 15.91 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 8.9 AU - 10.2 AU

Year: 20745 Days

Day: 23.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,906,611 km

• M1: 51,013 km (0.111 R)
• M2: 194,178 km (0.107 R)
• M3: 541,395 km (0.078 R)
• M4: 962,064 km (0.025 R)
• M5: 1,603,540 km (0.097 R)
• M6: 3,402,155 km (0.058 R)
• M7: 7,039,926 km (0.04 R)
• M8: 9,942,125 km (0.11 R)
• M9: 10,102,494 km (0.115 R)
• M10: 10,373,715 km (0.074 R)
• M11: 10,817,572 km (0.079 R)
• M12: 11,390,232 km (0.087 R)
• M13: 18,030,732 km (0.081 R)
• M14: 19,578,173 km (0.071 R)
• M15: 21,388,756 km (0.1 R)
• M16: 27,907,184 km (0.075 R)
• M17: 29,308,766 km (0.107 R)
• M18: 32,134,670 km (0.118 R)
• M19: 38,847,425 km (0.117 R)
• M20: 48,554,083 km (0.105 R)
• M21: 50,576,946 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.4

Radius: 5.4

Gravity: 13.29 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 9.51 AU - 10.31 AU

Year: 21929 Days

Day: 23.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 66,906,611 km

• M1: 67,169 km (0.118 R)
• M2: 555,158 km (0.078 R)
• M3: 848,968 km (0.097 R)
• M4: 1,188,555 km (0.11 R)
• M5: 1,697,337 km (0.073 R)
• M6: 2,116,810 km (0.071 R)
• M7: 3,822,375 km (0.094 R)
• M8: 4,186,496 km (0.076 R)
• M9: 4,507,234 km (0.066 R)
• M10: 5,090,217 km (0.118 R)
• M11: 5,878,000 km (0.116 R)
• M12: 6,701,087 km (0.099 R)
• M13: 8,076,041 km (0.092 R)
• M14: 9,905,773 km (0.111 R)
• M15: 11,679,854 km (0.081 R)
• M16: 15,388,086 km (0.084 R)
• M17: 15,766,718 km (0.055 R)
• M18: 15,996,800 km (0.068 R)
• M19: 20,623,413 km (0.052 R)
• M20: 21,269,676 km (0.091 R)
• M21: 23,487,913 km (0.092 R)
• M22: 27,152,163 km (0.08 R)
• M23: 40,251,850 km (0.111 R)
• M24: 45,152,078 km (0.074 R)
• M25: 47,825,093 km (0.098 R)
• M26: 49,445,687 km (0.079 R)
• M27: 52,114,213 km (0.099 R)
• M28: 55,938,085 km (0.081 R)
• M29: 56,294,726 km (0.045 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 16,771 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit