🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.8

Radius: 8.6

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.46 AU - 0.6 AU

Year: 257 Days

Day: 11.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,240,164 km

• M1: 106,962 km (0.095 R)
• M2: 506,389 km (0.095 R)
• M3: 918,830 km (0.029 R)
• M4: 1,203,066 km (0.078 R)
• M5: 1,597,705 km (0.1 R)
• M6: 1,934,151 km (0.031 R)
• M7: 2,837,273 km (0.06 R)
• M8: 3,356,228 km (0.054 R)
• M9: 4,232,872 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.9

Radius: 13.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.81 AU - 1.05 AU

Year: 598 Days

Day: 8.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,240,164 km

• M1: 167,101 km (0.104 R)
• M2: 598,092 km (0.114 R)
• M3: 1,362,089 km (0.083 R)
• M4: 1,824,645 km (0.115 R)
• M5: 2,275,234 km (0.099 R)
• M6: 2,792,095 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852

Radius: 11.8

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.94 AU - 1.5 AU

Year: 899 Days

Day: 11.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,240,164 km

• M1: 146,756 km (0.047 R)
• M2: 554,559 km (0.09 R)
• M3: 946,057 km (0.061 R)
• M4: 1,707,959 km (0.085 R)
• M5: 2,105,291 km (0.11 R)
• M6: 2,483,624 km (0.043 R)
• M7: 3,338,276 km (0.047 R)
• M8: 4,413,436 km (0.108 R)
• M9: 5,249,988 km (0.068 R)
• M10: 6,124,836 km (0.097 R)
• M11: 6,496,587 km (0.099 R)
• M12: 7,728,525 km (0.07 R)
• M13: 8,943,110 km (0.085 R)
• M14: 10,099,053 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26

Radius: 8.5

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.64 AU - 3.74 AU

Year: 4727 Days

Day: 14.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,240,164 km

• M1: 220,358 km (0.114 R)
• M2: 627,862 km (0.066 R)
• M3: 1,040,752 km (0.099 R)
• M4: 2,152,713 km (0.07 R)
• M5: 3,132,579 km (0.045 R)
• M6: 4,747,339 km (0.056 R)
• M7: 5,417,388 km (0.092 R)
• M8: 8,794,709 km (0.117 R)
• M9: 9,630,513 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.7

Radius: 14.9

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.16 AU - 4.36 AU

Year: 5863 Days

Day: 5.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,240,164 km

• M1: 185,501 km (0.092 R)
• M2: 785,538 km (0.103 R)
• M3: 2,133,415 km (0.071 R)
• M4: 2,665,236 km (0.039 R)
• M5: 3,790,660 km (0.107 R)
• M6: 4,580,238 km (0.112 R)
• M7: 7,363,058 km (0.117 R)
• M8: 8,079,183 km (0.035 R)
• M9: 10,791,093 km (0.101 R)
• M10: 11,566,907 km (0.086 R)
• M11: 12,327,613 km (0.055 R)
• M12: 14,005,801 km (0.032 R)
• M13: 15,406,337 km (0.102 R)
• M14: 16,643,212 km (0.093 R)
• M15: 17,878,741 km (0.092 R)
• M16: 20,024,722 km (0.053 R)
• M17: 24,657,619 km (0.081 R)
• M18: 26,090,317 km (0.112 R)
• M19: 27,756,389 km (0.059 R)
• M20: 30,434,640 km (0.082 R)
• M21: 32,578,227 km (0.092 R)
• M22: 33,483,594 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.8

Radius: 11.8

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.07 AU - 5.93 AU

Year: 7456 Days

Day: 12.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,240,164 km

• M1: 146,756 km (0.102 R)
• M2: 526,136 km (0.119 R)
• M3: 972,685 km (0.105 R)
• M4: 1,664,127 km (0.109 R)
• M5: 2,344,947 km (0.106 R)
• M6: 3,694,170 km (0.075 R)
• M7: 4,453,977 km (0.117 R)
• M8: 7,056,382 km (0.029 R)
• M9: 7,727,029 km (0.103 R)
• M10: 8,183,452 km (0.106 R)
• M11: 12,623,068 km (0.105 R)
• M12: 13,198,721 km (0.096 R)
• M13: 14,156,297 km (0.059 R)
• M14: 14,778,026 km (0.102 R)
• M15: 15,678,754 km (0.049 R)
• M16: 16,276,996 km (0.082 R)
• M17: 20,819,835 km (0.076 R)
• M18: 23,466,520 km (0.109 R)
• M19: 25,867,865 km (0.103 R)
• M20: 27,749,208 km (0.104 R)
• M21: 34,716,131 km (0.074 R)
• M22: 35,165,672 km (0.099 R)
• M23: 35,732,798 km (0.058 R)
• M24: 37,002,285 km (0.102 R)
• M25: 38,541,049 km (0.106 R)
• M26: 43,543,003 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.1

Radius: 8.9

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.55 AU - 5.87 AU

Year: 7930 Days

Day: 5.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,240,164 km

• M1: 113,994 km (0.108 R)
• M2: 479,760 km (0.116 R)
• M3: 952,789 km (0.101 R)
• M4: 2,131,470 km (0.06 R)
• M5: 2,525,960 km (0.048 R)
• M6: 4,634,692 km (0.086 R)
• M7: 5,583,441 km (0.04 R)
• M8: 9,477,923 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23.5

Radius: 3.8

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 6.07 AU - 8.93 AU

Year: 13697 Days

Day: 20.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,240,164 km

• M1: 47,423 km (0.118 R)
• M2: 274,362 km (0.099 R)
• M3: 1,924,577 km (0.027 R)
• M4: 2,192,955 km (0.114 R)
• M5: 3,394,376 km (0.061 R)
• M6: 6,072,327 km (0.076 R)
• M7: 6,905,438 km (0.074 R)
• M8: 9,858,051 km (0.067 R)
• M9: 18,583,646 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.1

Radius: 5.4

Gravity: 28.88 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 6.95 AU - 9.45 AU

Year: 15659 Days

Day: 18.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 69,240,164 km

• M1: 67,169 km (0.074 R)
• M2: 241,152 km (0.114 R)
• M3: 834,307 km (0.088 R)
• M4: 1,148,014 km (0.102 R)
• M5: 1,736,831 km (0.081 R)
• M6: 2,188,318 km (0.076 R)
• M7: 3,135,871 km (0.074 R)
• M8: 3,714,964 km (0.077 R)
• M9: 5,377,295 km (0.107 R)
• M10: 6,977,394 km (0.106 R)
• M11: 8,870,406 km (0.081 R)
• M12: 12,150,040 km (0.084 R)
• M13: 13,633,602 km (0.077 R)
• M14: 19,063,855 km (0.114 R)
• M15: 20,871,895 km (0.048 R)
• M16: 32,515,995 km (0.093 R)
• M17: 33,913,837 km (0.029 R)
• M18: 35,483,717 km (0.094 R)
• M19: 40,483,428 km (0.071 R)
• M20: 41,359,772 km (0.078 R)
• M21: 43,150,608 km (0.112 R)
• M22: 51,680,080 km (0.077 R)
• M23: 52,538,323 km (0.085 R)
• M24: 52,711,109 km (0.074 R)
• M25: 53,580,871 km (0.079 R)
• M26: 53,931,379 km (0.118 R)
• M27: 58,257,749 km (0.067 R)
• M28: 62,228,226 km (0.113 R)
• M29: 66,173,870 km (0.1 R)
• M30: 69,240,178 km (0.086 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: 221 - 17,573 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit