🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.8

Radius: 13

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.41 AU - 0.63 AU

Year: 259 Days

Day: 14.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,212,509 km

• M1: 161,715 km (0.038 R)
• M2: 580,141 km (0.09 R)
• M3: 1,237,922 km (0.058 R)
• M4: 1,763,759 km (0.103 R)
• M5: 2,421,990 km (0.118 R)
• M6: 2,912,072 km (0.065 R)
• M7: 3,458,104 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.9

Radius: 14.4

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.39 AU - 0.65 AU

Year: 259 Days

Day: 11 Hours

Environment

Temp: -138 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 30,212,509 km

• M1: 179,218 km (0.072 R)
• M2: 745,596 km (0.109 R)
• M3: 1,243,906 km (0.101 R)
• M4: 1,717,234 km (0.068 R)
• M5: 2,182,483 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.6

Radius: 11.4

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.55 AU - 0.75 AU

Year: 362 Days

Day: 12.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 30,212,509 km

• M1: 141,819 km (0.081 R)
• M2: 1,220,719 km (0.062 R)
• M3: 1,715,439 km (0.089 R)
• M4: 2,517,433 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.8

Radius: 13.9

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.56 AU - 0.9 AU

Year: 431 Days

Day: 9.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,212,509 km

• M1: 172,935 km (0.093 R)
• M2: 677,230 km (0.114 R)
• M3: 1,195,586 km (0.09 R)
• M4: 1,762,562 km (0.057 R)
• M5: 2,373,370 km (0.087 R)
• M6: 3,286,665 km (0.103 R)
• M7: 3,838,831 km (0.068 R)
• M8: 4,615,842 km (0.086 R)
• M9: 5,163,520 km (0.098 R)
• M10: 6,484,619 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143

Radius: 9.1

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.35 AU - 1.89 AU

Year: 1423 Days

Day: 7.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,212,509 km

• M1: 113,096 km (0.1 R)
• M2: 416,032 km (0.064 R)
• M3: 755,020 km (0.109 R)
• M4: 1,187,209 km (0.11 R)
• M5: 1,490,743 km (0.098 R)
• M6: 1,804,599 km (0.065 R)
• M7: 3,096,676 km (0.08 R)
• M8: 4,293,758 km (0.074 R)
• M9: 5,353,809 km (0.101 R)
• M10: 6,119,151 km (0.102 R)
• M11: 6,744,919 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686

Radius: 10.8

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.75 AU - 2.73 AU

Year: 2314 Days

Day: 7.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,212,509 km

• M1: 134,488 km (0.116 R)
• M2: 487,390 km (0.107 R)
• M3: 827,127 km (0.101 R)
• M4: 1,223,411 km (0.063 R)
• M5: 1,621,342 km (0.103 R)
• M6: 2,130,872 km (0.09 R)
• M7: 2,613,624 km (0.091 R)
• M8: 3,103,109 km (0.085 R)
• M9: 3,726,184 km (0.112 R)
• M10: 4,348,511 km (0.059 R)
• M11: 4,837,546 km (0.09 R)
• M12: 5,410,506 km (0.092 R)
• M13: 7,200,295 km (0.072 R)
• M14: 8,103,866 km (0.1 R)
• M15: 8,681,314 km (0.103 R)
• M16: 9,115,297 km (0.1 R)
• M17: 9,740,018 km (0.112 R)
• M18: 10,654,809 km (0.056 R)
• M19: 11,230,611 km (0.098 R)
• M20: 12,953,829 km (0.079 R)
• M21: 13,432,991 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.3

Radius: 13.8

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.26 AU - 3.02 AU

Year: 2961 Days

Day: 13.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,212,509 km

• M1: 171,589 km (0.093 R)
• M2: 770,579 km (0.077 R)
• M3: 1,421,778 km (0.045 R)
• M4: 2,640,851 km (0.103 R)
• M5: 3,088,149 km (0.104 R)
• M6: 4,607,465 km (0.059 R)
• M7: 5,262,105 km (0.119 R)
• M8: 6,549,844 km (0.058 R)
• M9: 8,140,518 km (0.111 R)
• M10: 9,626,623 km (0.09 R)
• M11: 15,430,572 km (0.063 R)
• M12: 17,351,857 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.4

Radius: 12.6

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.78 AU - 5.18 AU

Year: 6545 Days

Day: 7.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,212,509 km

• M1: 156,779 km (0.051 R)
• M2: 604,076 km (0.081 R)
• M3: 1,236,875 km (0.098 R)
• M4: 2,563,060 km (0.111 R)
• M5: 3,564,468 km (0.114 R)
• M6: 4,456,371 km (0.076 R)
• M7: 5,075,856 km (0.059 R)
• M8: 8,602,775 km (0.027 R)
• M9: 15,487,568 km (0.108 R)
• M10: 16,547,320 km (0.093 R)
• M11: 17,280,200 km (0.101 R)
• M12: 18,942,382 km (0.045 R)
• M13: 23,484,622 km (0.107 R)
• M14: 24,410,333 km (0.062 R)
• M15: 26,170,652 km (0.118 R)
• M16: 26,914,751 km (0.062 R)
• M17: 27,843,156 km (0.109 R)
• M18: 29,055,497 km (0.057 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 17,644 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit