🌌 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: 545

Radius: 12.7

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.44 AU - 0.66 AU

Year: 282 Days

Day: 10.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 43,648,806 km

• M1: 157,975 km (0.077 R)
• M2: 581,487 km (0.103 R)
• M3: 986,299 km (0.119 R)
• M4: 1,596,658 km (0.089 R)
• M5: 2,019,272 km (0.101 R)
• M6: 3,579,129 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.1

Radius: 13.5

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.7 AU - 0.92 AU

Year: 503 Days

Day: 5.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,648,806 km

• M1: 167,849 km (0.114 R)
• M2: 588,069 km (0.096 R)
• M3: 1,028,485 km (0.061 R)
• M4: 1,469,500 km (0.045 R)
• M5: 2,406,282 km (0.031 R)
• M6: 2,837,423 km (0.062 R)
• M7: 3,412,327 km (0.105 R)
• M8: 4,441,710 km (0.098 R)
• M9: 4,976,523 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.7

Radius: 9.5

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.41 AU - 1.63 AU

Year: 1294 Days

Day: 12.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,648,806 km

• M1: 118,182 km (0.094 R)
• M2: 461,509 km (0.076 R)
• M3: 971,788 km (0.06 R)
• M4: 1,352,814 km (0.093 R)
• M5: 1,833,172 km (0.117 R)
• M6: 2,424,383 km (0.083 R)
• M7: 2,915,363 km (0.1 R)
• M8: 3,287,862 km (0.09 R)
• M9: 3,737,254 km (0.084 R)
• M10: 4,096,738 km (0.115 R)
• M11: 4,653,092 km (0.071 R)
• M12: 4,977,420 km (0.041 R)
• M13: 5,752,487 km (0.106 R)
• M14: 7,639,664 km (0.119 R)
• M15: 8,536,204 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.2

Radius: 11.4

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.61 AU - 3.43 AU

Year: 3623 Days

Day: 9.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,648,806 km

• M1: 141,819 km (0.105 R)
• M2: 708,196 km (0.025 R)
• M3: 1,240,765 km (0.106 R)
• M4: 1,703,172 km (0.079 R)
• M5: 2,811,094 km (0.065 R)
• M6: 4,192,032 km (0.036 R)
• M7: 4,580,836 km (0.098 R)
• M8: 5,411,254 km (0.105 R)
• M9: 8,790,670 km (0.11 R)
• M10: 10,642,542 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.8

Radius: 10.6

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.87 AU - 5.41 AU

Year: 8044 Days

Day: 9.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,648,806 km

• M1: 131,945 km (0.108 R)
• M2: 593,006 km (0.097 R)
• M3: 927,507 km (0.103 R)
• M4: 1,453,792 km (0.099 R)
• M5: 2,184,129 km (0.117 R)
• M6: 2,646,536 km (0.107 R)
• M7: 3,618,025 km (0.094 R)
• M8: 5,758,620 km (0.073 R)
• M9: 9,504,102 km (0.117 R)
• M10: 12,199,108 km (0.071 R)
• M11: 13,907,366 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 631.5

Radius: 3.8

Gravity: 43.73 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 6.32 AU - 6.64 AU

Year: 11386 Days

Day: 23 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,648,806 km

• M1: 47,572 km (0.097 R)
• M2: 247,734 km (0.088 R)
• M3: 641,775 km (0.046 R)
• M4: 961,316 km (0.061 R)
• M5: 2,478,089 km (0.109 R)
• M6: 2,835,927 km (0.077 R)
• M7: 3,108,494 km (0.117 R)
• M8: 3,549,808 km (0.1 R)
• M9: 5,773,580 km (0.065 R)
• M10: 9,508,441 km (0.116 R)
• M11: 11,811,051 km (0.03 R)
• M12: 11,984,285 km (0.045 R)
• M13: 12,634,139 km (0.108 R)
• M14: 13,059,745 km (0.107 R)
• M15: 21,316,201 km (0.111 R)
• M16: 25,679,073 km (0.083 R)
• M17: 28,583,815 km (0.106 R)
• M18: 32,598,124 km (0.099 R)
• M19: 38,470,588 km (0.088 R)
• M20: 38,724,157 km (0.052 R)

Asteroid Belt

Center: 7.78 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 145.5

Radius: 4.3

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 8.5 AU - 9.64 AU

Year: 18855 Days

Day: 17.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,648,806 km

• M1: 55,351 km (0.085 R)
• M2: 242,349 km (0.111 R)
• M3: 524,041 km (0.071 R)
• M4: 776,413 km (0.088 R)
• M5: 2,190,861 km (0.113 R)
• M6: 2,352,427 km (0.094 R)
• M7: 3,543,824 km (0.093 R)
• M8: 3,767,174 km (0.075 R)
• M9: 5,245,500 km (0.083 R)
• M10: 5,939,035 km (0.109 R)
• M11: 6,654,712 km (0.059 R)
• M12: 9,803,448 km (0.067 R)
• M13: 10,443,427 km (0.113 R)
• M14: 12,701,308 km (0.037 R)
• M15: 16,666,699 km (0.03 R)
• M16: 17,505,344 km (0.116 R)
• M17: 20,583,021 km (0.065 R)
• M18: 22,207,355 km (0.114 R)
• M19: 27,685,928 km (0.067 R)
• M20: 33,014,006 km (0.112 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: 436 - 11,147 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit