🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.8

Radius: 12.4

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.44 AU - 0.66 AU

Year: 287 Days

Day: 5.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,569,915 km

• M1: 154,235 km (0.108 R)
• M2: 683,961 km (0.12 R)
• M3: 1,100,442 km (0.071 R)
• M4: 1,703,621 km (0.042 R)
• M5: 2,164,532 km (0.117 R)
• M6: 2,693,360 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.4

Radius: 14.6

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.65 AU - 0.69 AU

Year: 385 Days

Day: 9.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,569,915 km

• M1: 183,557 km (0.074 R)
• M2: 782,247 km (0.079 R)
• M3: 2,252,794 km (0.102 R)
• M4: 2,891,727 km (0.06 R)
• M5: 4,423,160 km (0.12 R)
• M6: 5,002,852 km (0.103 R)
• M7: 5,566,088 km (0.066 R)
• M8: 6,064,548 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.6

Radius: 12.9

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.42 AU - 1.8 AU

Year: 1436 Days

Day: 9.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,569,915 km

• M1: 160,519 km (0.104 R)
• M2: 564,134 km (0.103 R)
• M3: 1,154,148 km (0.076 R)
• M4: 1,722,171 km (0.086 R)
• M5: 3,319,278 km (0.052 R)
• M6: 4,773,369 km (0.079 R)
• M7: 5,441,323 km (0.115 R)
• M8: 5,913,753 km (0.1 R)
• M9: 6,435,700 km (0.06 R)
• M10: 6,917,705 km (0.104 R)
• M11: 7,749,170 km (0.102 R)
• M12: 10,647,180 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.1

Radius: 14.5

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.95 AU - 2.15 AU

Year: 2063 Days

Day: 5.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,569,915 km

• M1: 180,265 km (0.09 R)
• M2: 669,899 km (0.108 R)
• M3: 1,218,923 km (0.075 R)
• M4: 1,827,936 km (0.111 R)
• M5: 2,297,225 km (0.104 R)
• M6: 2,930,024 km (0.112 R)
• M7: 3,502,685 km (0.097 R)
• M8: 4,346,716 km (0.06 R)
• M9: 4,856,695 km (0.063 R)
• M10: 5,534,523 km (0.083 R)
• M11: 7,004,621 km (0.117 R)
• M12: 7,628,594 km (0.119 R)
• M13: 8,751,027 km (0.106 R)
• M14: 9,413,895 km (0.097 R)
• M15: 10,273,035 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.2

Radius: 9.2

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.64 AU - 2.66 AU

Year: 2216 Days

Day: 7 Hours

Environment

Temp: -213 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,569,915 km

• M1: 114,442 km (0.117 R)
• M2: 445,652 km (0.113 R)
• M3: 1,335,161 km (0.09 R)
• M4: 1,932,954 km (0.09 R)
• M5: 3,042,372 km (0.072 R)
• M6: 4,824,232 km (0.06 R)
• M7: 5,624,431 km (0.102 R)
• M8: 6,280,567 km (0.041 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.6

Radius: 8

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 8.59 AU - 10.11 AU

Year: 20097 Days

Day: 22.3 Hours

Environment

Temp: -244 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 64,569,915 km

• M1: 99,782 km (0.066 R)
• M2: 534,812 km (0.033 R)
• M3: 1,131,259 km (0.047 R)
• M4: 1,737,878 km (0.107 R)
• M5: 2,458,791 km (0.062 R)
• M6: 2,839,966 km (0.116 R)
• M7: 3,260,336 km (0.112 R)
• M8: 4,042,733 km (0.09 R)
• M9: 5,118,790 km (0.12 R)
• M10: 6,415,804 km (0.102 R)
• M11: 8,601,279 km (0.082 R)
• M12: 9,269,533 km (0.063 R)
• M13: 10,767,307 km (0.103 R)
• M14: 11,604,456 km (0.079 R)
• M15: 11,913,675 km (0.084 R)
• M16: 13,072,909 km (0.047 R)
• M17: 13,817,308 km (0.052 R)
• M18: 14,234,985 km (0.095 R)
• M19: 14,732,997 km (0.093 R)
• M20: 18,382,886 km (0.081 R)
• M21: 20,192,721 km (0.06 R)
• M22: 24,364,108 km (0.097 R)
• M23: 25,282,788 km (0.091 R)
• M24: 26,330,572 km (0.105 R)
• M25: 29,647,156 km (0.103 R)
• M26: 30,929,958 km (0.118 R)
• M27: 31,525,208 km (0.065 R)
• M28: 31,885,889 km (0.058 R)
• M29: 33,232,269 km (0.085 R)
• M30: 34,108,614 km (0.081 R)
• M31: 46,164,706 km (0.082 R)
• M32: 47,098,496 km (0.118 R)
• M33: 52,292,085 km (0.078 R)
• M34: 56,428,766 km (0.097 R)
• M35: 59,854,557 km (0.046 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: 322 - 13,849 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit