🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.7

Radius: 13.4

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.63 AU - 0.99 AU

Year: 464 Days

Day: 5.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 178.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,263,343 km

• M1: 166,652 km (0.046 R)
• M2: 591,211 km (0.119 R)
• M3: 1,286,542 km (0.05 R)
• M4: 1,720,675 km (0.079 R)
• M5: 2,308,445 km (0.117 R)
• M6: 2,731,807 km (0.104 R)
• M7: 3,299,979 km (0.095 R)
• M8: 4,012,813 km (0.106 R)
• M9: 4,948,997 km (0.116 R)
• M10: 5,395,098 km (0.078 R)
• M11: 6,008,299 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.2

Radius: 14.1

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.92 AU - 1.38 AU

Year: 784 Days

Day: 10.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,263,343 km

• M1: 293,661 km (0.106 R)
• M2: 733,927 km (0.099 R)
• M3: 1,772,585 km (0.052 R)
• M4: 2,236,189 km (0.09 R)
• M5: 2,961,290 km (0.106 R)
• M6: 3,983,642 km (0.099 R)
• M7: 4,614,047 km (0.116 R)
• M8: 5,392,106 km (0.109 R)
• M9: 6,005,158 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.4

Radius: 10.2

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.4 AU - 1.9 AU

Year: 1348 Days

Day: 12.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,263,343 km

• M1: 130,300 km (0.099 R)
• M2: 516,711 km (0.103 R)
• M3: 862,581 km (0.082 R)
• M4: 1,202,318 km (0.098 R)
• M5: 1,570,478 km (0.082 R)
• M6: 2,187,869 km (0.093 R)
• M7: 2,516,535 km (0.093 R)
• M8: 3,100,416 km (0.119 R)
• M9: 3,821,777 km (0.087 R)
• M10: 4,670,146 km (0.085 R)
• M11: 5,098,894 km (0.096 R)
• M12: 5,468,999 km (0.072 R)
• M13: 7,234,703 km (0.119 R)
• M14: 9,627,521 km (0.102 R)
• M15: 10,421,586 km (0.115 R)
• M16: 10,817,871 km (0.059 R)
• M17: 11,292,994 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.3

Radius: 11.5

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.5 AU - 1.8 AU

Year: 1348 Days

Day: 5.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,263,343 km

• M1: 143,016 km (0.032 R)
• M2: 560,992 km (0.112 R)
• M3: 972,087 km (0.074 R)
• M4: 1,339,649 km (0.074 R)
• M5: 2,134,762 km (0.117 R)
• M6: 2,625,592 km (0.08 R)
• M7: 3,101,313 km (0.074 R)
• M8: 3,785,125 km (0.108 R)
• M9: 4,154,333 km (0.115 R)
• M10: 4,528,477 km (0.091 R)
• M11: 4,966,051 km (0.086 R)
• M12: 5,653,004 km (0.071 R)
• M13: 6,185,274 km (0.109 R)
• M14: 7,243,379 km (0.091 R)
• M15: 8,214,120 km (0.113 R)
• M16: 10,077,212 km (0.106 R)
• M17: 10,583,900 km (0.098 R)
• M18: 11,722,040 km (0.099 R)
• M19: 13,018,755 km (0.104 R)

Asteroid Belt

Center: 2.82 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367

Radius: 14.9

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.49 AU - 4.49 AU

Year: 5067 Days

Day: 12.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,263,343 km

• M1: 185,651 km (0.083 R)
• M2: 875,297 km (0.115 R)
• M3: 1,399,338 km (0.081 R)
• M4: 2,498,733 km (0.102 R)
• M5: 4,095,691 km (0.047 R)
• M6: 5,178,181 km (0.109 R)
• M7: 6,239,129 km (0.108 R)
• M8: 6,867,889 km (0.082 R)
• M9: 8,044,775 km (0.109 R)
• M10: 8,645,411 km (0.09 R)
• M11: 9,937,039 km (0.096 R)
• M12: 11,267,113 km (0.086 R)
• M13: 13,188,997 km (0.118 R)
• M14: 15,970,620 km (0.112 R)
• M15: 18,631,816 km (0.111 R)
• M16: 20,131,834 km (0.111 R)
• M17: 21,778,608 km (0.107 R)
• M18: 23,727,868 km (0.104 R)
• M19: 24,597,929 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.1

Radius: 8.1

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.89 AU - 4.87 AU

Year: 5828 Days

Day: 9.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,263,343 km

• M1: 101,278 km (0.079 R)
• M2: 411,544 km (0.052 R)
• M3: 1,114,355 km (0.098 R)
• M4: 1,377,647 km (0.104 R)
• M5: 1,636,750 km (0.053 R)
• M6: 3,056,135 km (0.105 R)
• M7: 3,823,572 km (0.1 R)
• M8: 4,931,793 km (0.044 R)
• M9: 5,388,366 km (0.088 R)
• M10: 5,735,433 km (0.112 R)
• M11: 6,040,762 km (0.112 R)
• M12: 6,356,862 km (0.095 R)
• M13: 7,179,800 km (0.063 R)
• M14: 7,935,419 km (0.094 R)
• M15: 8,742,799 km (0.096 R)
• M16: 22,421,430 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 449.6

Radius: 4.4

Gravity: 23.22 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 8.53 AU - 9.03 AU

Year: 16542 Days

Day: 21.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,263,343 km

• M1: 54,753 km (0.118 R)
• M2: 259,104 km (0.108 R)
• M3: 520,451 km (0.11 R)
• M4: 1,265,299 km (0.085 R)
• M5: 1,430,754 km (0.041 R)
• M6: 2,223,623 km (0.112 R)
• M7: 2,636,962 km (0.097 R)
• M8: 3,324,962 km (0.081 R)
• M9: 3,864,562 km (0.078 R)
• M10: 6,452,007 km (0.09 R)
• M11: 6,987,118 km (0.087 R)
• M12: 10,277,075 km (0.118 R)
• M13: 10,442,231 km (0.108 R)
• M14: 16,865,664 km (0.096 R)
• M15: 28,428,083 km (0.078 R)
• M16: 39,183,871 km (0.112 R)
• M17: 40,814,039 km (0.098 R)
• M18: 50,753,471 km (0.054 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: 348 - 17,288 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit