🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.3

Radius: 13.5

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.73 AU - 0.79 AU

Year: 466 Days

Day: 13.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,458,729 km

• M1: 167,849 km (0.103 R)
• M2: 742,903 km (0.093 R)
• M3: 1,184,965 km (0.047 R)
• M4: 1,782,907 km (0.087 R)
• M5: 2,324,751 km (0.113 R)
• M6: 2,880,058 km (0.114 R)
• M7: 3,689,981 km (0.036 R)
• M8: 4,425,255 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.8

Radius: 10.5

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.7 AU - 0.92 AU

Year: 512 Days

Day: 10.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,458,729 km

• M1: 130,749 km (0.054 R)
• M2: 473,776 km (0.086 R)
• M3: 818,899 km (0.104 R)
• M4: 1,415,495 km (0.119 R)
• M5: 1,824,944 km (0.116 R)
• M6: 2,188,168 km (0.043 R)
• M7: 2,864,650 km (0.117 R)
• M8: 3,621,166 km (0.076 R)
• M9: 3,996,358 km (0.115 R)
• M10: 4,397,579 km (0.076 R)
• M11: 4,991,034 km (0.082 R)
• M12: 5,564,592 km (0.086 R)
• M13: 6,028,046 km (0.112 R)
• M14: 6,699,591 km (0.101 R)
• M15: 7,053,540 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827

Radius: 9.5

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.86 AU - 0.86 AU

Year: 561 Days

Day: 5.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,458,729 km

• M1: 118,182 km (0.113 R)
• M2: 428,299 km (0.109 R)
• M3: 770,878 km (0.057 R)
• M4: 1,146,817 km (0.073 R)
• M5: 1,715,439 km (0.114 R)
• M6: 2,020,020 km (0.117 R)
• M7: 2,421,541 km (0.084 R)
• M8: 3,650,338 km (0.12 R)
• M9: 3,970,776 km (0.051 R)
• M10: 4,830,964 km (0.093 R)
• M11: 6,229,555 km (0.057 R)
• M12: 6,668,774 km (0.114 R)
• M13: 7,344,507 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.1

Radius: 10.1

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.22 AU - 1.9 AU

Year: 1370 Days

Day: 6.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,458,729 km

• M1: 125,662 km (0.113 R)
• M2: 599,738 km (0.108 R)
• M3: 1,259,315 km (0.1 R)
• M4: 1,801,458 km (0.116 R)
• M5: 2,316,822 km (0.069 R)
• M6: 3,222,039 km (0.068 R)
• M7: 3,597,530 km (0.066 R)
• M8: 5,299,355 km (0.091 R)
• M9: 6,338,611 km (0.036 R)
• M10: 6,689,718 km (0.095 R)
• M11: 8,199,160 km (0.116 R)
• M12: 8,644,962 km (0.12 R)
• M13: 10,527,501 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.6

Radius: 12.8

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.56 AU - 1.66 AU

Year: 1436 Days

Day: 14.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,458,729 km

• M1: 159,172 km (0.103 R)
• M2: 572,062 km (0.058 R)
• M3: 1,142,479 km (0.109 R)
• M4: 1,664,276 km (0.061 R)
• M5: 2,105,590 km (0.106 R)
• M6: 3,119,415 km (0.113 R)
• M7: 3,537,541 km (0.056 R)
• M8: 5,338,101 km (0.101 R)
• M9: 5,940,831 km (0.103 R)
• M10: 6,405,182 km (0.099 R)
• M11: 7,482,586 km (0.042 R)
• M12: 8,051,657 km (0.119 R)
• M13: 8,456,020 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.1

Radius: 12.5

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.29 AU - 1.95 AU

Year: 1449 Days

Day: 10.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 22,458,729 km

• M1: 196,721 km (0.044 R)
• M2: 838,197 km (0.072 R)
• M3: 1,580,502 km (0.096 R)
• M4: 2,156,154 km (0.096 R)
• M5: 2,674,511 km (0.082 R)
• M6: 4,077,140 km (0.096 R)

Asteroid Belt

Center: 2.06 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.7

Radius: 13.2

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.87 AU - 3.11 AU

Year: 2762 Days

Day: 5 Hours

Environment

Temp: -214 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 22,458,729 km

• M1: 164,258 km (0.098 R)
• M2: 583,731 km (0.118 R)
• M3: 1,601,744 km (0.118 R)
• M4: 2,182,184 km (0.058 R)
• M5: 2,599,113 km (0.048 R)
• M6: 3,174,018 km (0.079 R)
• M7: 3,853,192 km (0.069 R)
• M8: 6,202,477 km (0.062 R)
• M9: 8,279,195 km (0.078 R)
• M10: 9,235,125 km (0.031 R)
• M11: 10,184,623 km (0.077 R)
• M12: 11,031,497 km (0.093 R)
• M13: 12,056,392 km (0.118 R)
• M14: 12,865,866 km (0.096 R)
• M15: 13,759,414 km (0.116 R)
• M16: 15,202,435 km (0.067 R)
• M17: 16,254,856 km (0.077 R)
• M18: 16,854,145 km (0.075 R)
• M19: 17,355,447 km (0.087 R)
• M20: 18,622,691 km (0.076 R)
• M21: 19,158,551 km (0.104 R)
• M22: 20,828,063 km (0.107 R)
• M23: 21,796,559 km (0.038 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 16,647 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit