🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.6

Radius: 12.3

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.47 AU - 0.69 AU

Year: 300 Days

Day: 13.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,108,323 km

• M1: 153,039 km (0.098 R)
• M2: 540,048 km (0.116 R)
• M3: 1,074,562 km (0.114 R)
• M4: 1,535,921 km (0.101 R)
• M5: 2,104,094 km (0.108 R)
• M6: 2,501,127 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.6

Radius: 12.4

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.63 AU - 0.69 AU

Year: 364 Days

Day: 9.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,108,323 km

• M1: 154,235 km (0.072 R)
• M2: 579,991 km (0.054 R)
• M3: 970,741 km (0.105 R)
• M4: 1,444,517 km (0.117 R)
• M5: 1,906,176 km (0.029 R)
• M6: 2,532,094 km (0.118 R)
• M7: 2,962,487 km (0.035 R)
• M8: 3,670,234 km (0.066 R)
• M9: 4,238,706 km (0.108 R)
• M10: 5,139,136 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.8

Radius: 12.9

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.7 AU - 1 AU

Year: 532 Days

Day: 5.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,108,323 km

• M1: 160,519 km (0.092 R)
• M2: 634,893 km (0.116 R)
• M3: 1,092,064 km (0.053 R)
• M4: 1,517,820 km (0.111 R)
• M5: 1,977,983 km (0.082 R)
• M6: 2,395,212 km (0.089 R)
• M7: 3,101,613 km (0.043 R)
• M8: 3,575,240 km (0.101 R)
• M9: 4,698,420 km (0.101 R)
• M10: 5,405,121 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.7

Radius: 14.1

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.5 AU - 5.44 AU

Year: 6410 Days

Day: 8.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,108,323 km

• M1: 176,077 km (0.116 R)
• M2: 655,837 km (0.075 R)
• M3: 1,952,402 km (0.079 R)
• M4: 2,478,089 km (0.115 R)
• M5: 3,366,850 km (0.08 R)
• M6: 3,886,253 km (0.076 R)
• M7: 4,829,618 km (0.092 R)
• M8: 5,274,671 km (0.118 R)
• M9: 6,556,426 km (0.045 R)
• M10: 7,474,508 km (0.072 R)
• M11: 11,283,270 km (0.103 R)
• M12: 11,883,157 km (0.111 R)
• M13: 14,231,545 km (0.115 R)
• M14: 15,713,012 km (0.083 R)
• M15: 17,721,813 km (0.093 R)
• M16: 24,009,112 km (0.041 R)
• M17: 25,236,413 km (0.085 R)
• M18: 27,073,325 km (0.113 R)
• M19: 27,649,726 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.4

Radius: 8.2

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.65 AU - 5.91 AU

Year: 8229 Days

Day: 14.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,108,323 km

• M1: 102,026 km (0.069 R)
• M2: 358,137 km (0.101 R)
• M3: 803,191 km (0.104 R)
• M4: 1,142,778 km (0.101 R)
• M5: 1,657,544 km (0.082 R)
• M6: 2,054,577 km (0.069 R)
• M7: 2,388,629 km (0.057 R)
• M8: 3,188,379 km (0.119 R)
• M9: 3,545,021 km (0.08 R)
• M10: 4,693,035 km (0.067 R)
• M11: 6,621,202 km (0.116 R)
• M12: 7,128,937 km (0.106 R)
• M13: 7,545,866 km (0.08 R)
• M14: 8,304,327 km (0.083 R)
• M15: 9,244,999 km (0.111 R)
• M16: 10,350,228 km (0.105 R)
• M17: 10,639,849 km (0.101 R)
• M18: 11,852,639 km (0.059 R)
• M19: 12,116,530 km (0.059 R)
• M20: 15,533,944 km (0.099 R)
• M21: 16,758,552 km (0.038 R)
• M22: 18,325,440 km (0.063 R)
• M23: 21,826,928 km (0.108 R)
• M24: 24,196,408 km (0.07 R)
• M25: 27,369,828 km (0.075 R)
• M26: 29,827,272 km (0.083 R)
• M27: 31,612,274 km (0.104 R)
• M28: 33,049,012 km (0.112 R)
• M29: 35,612,521 km (0.101 R)
• M30: 37,054,944 km (0.043 R)
• M31: 37,847,513 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391.2

Radius: 6.2

Gravity: 10.18 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 8.26 AU - 12.94 AU

Year: 23407 Days

Day: 22.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,108,323 km

• M1: 79,137 km (0.04 R)
• M2: 308,770 km (0.103 R)
• M3: 572,810 km (0.096 R)
• M4: 2,183,680 km (0.076 R)
• M5: 6,002,016 km (0.083 R)
• M6: 9,258,014 km (0.093 R)
• M7: 9,810,928 km (0.046 R)
• M8: 22,000,162 km (0.097 R)
• M9: 23,082,951 km (0.027 R)
• M10: 29,858,538 km (0.048 R)
• M11: 36,609,591 km (0.063 R)
• M12: 37,432,529 km (0.117 R)
• M13: 42,180,616 km (0.091 R)
• M14: 43,085,084 km (0.116 R)
• M15: 43,848,482 km (0.025 R)
• M16: 46,034,107 km (0.092 R)
• M17: 60,500,072 km (0.038 R)
• M18: 62,813,902 km (0.105 R)
• M19: 68,234,431 km (0.09 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 13,939 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit