🌌 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: 688.8

Radius: 13.9

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.63 AU - 0.89 AU

Year: 428 Days

Day: 5.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,398,936 km

• M1: 172,935 km (0.118 R)
• M2: 772,374 km (0.06 R)
• M3: 1,273,676 km (0.116 R)
• M4: 1,796,970 km (0.065 R)
• M5: 2,248,007 km (0.113 R)
• M6: 2,745,271 km (0.1 R)
• M7: 3,180,301 km (0.08 R)
• M8: 4,005,184 km (0.075 R)
• M9: 4,728,938 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.7

Radius: 14.9

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.73 AU - 1.05 AU

Year: 542 Days

Day: 12.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,398,936 km

• M1: 185,352 km (0.089 R)
• M2: 750,832 km (0.06 R)
• M3: 1,271,582 km (0.082 R)
• M4: 2,430,666 km (0.091 R)
• M5: 3,025,168 km (0.074 R)
• M6: 3,490,118 km (0.083 R)
• M7: 4,093,895 km (0.071 R)
• M8: 4,595,347 km (0.05 R)
• M9: 5,062,242 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.7

Radius: 14.2

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.83 AU - 1.35 AU

Year: 735 Days

Day: 14.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,398,936 km

• M1: 176,525 km (0.077 R)
• M2: 777,311 km (0.101 R)
• M3: 1,235,379 km (0.057 R)
• M4: 1,684,023 km (0.06 R)
• M5: 2,183,979 km (0.102 R)
• M6: 3,104,754 km (0.085 R)
• M7: 3,605,309 km (0.091 R)
• M8: 4,175,725 km (0.117 R)
• M9: 4,771,274 km (0.067 R)
• M10: 5,830,727 km (0.102 R)
• M11: 6,300,614 km (0.034 R)
• M12: 6,884,494 km (0.092 R)
• M13: 7,410,181 km (0.071 R)
• M14: 8,136,329 km (0.119 R)
• M15: 8,962,558 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.4

Radius: 10.1

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.36 AU - 1.98 AU

Year: 1393 Days

Day: 11.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,398,936 km

• M1: 125,662 km (0.073 R)
• M2: 519,254 km (0.079 R)
• M3: 1,049,728 km (0.107 R)
• M4: 1,462,768 km (0.058 R)
• M5: 1,787,246 km (0.041 R)
• M6: 2,421,391 km (0.115 R)
• M7: 2,951,416 km (0.109 R)
• M8: 3,638,519 km (0.045 R)
• M9: 3,959,257 km (0.088 R)
• M10: 4,485,393 km (0.116 R)
• M11: 5,436,985 km (0.054 R)
• M12: 5,880,543 km (0.091 R)
• M13: 6,252,742 km (0.082 R)
• M14: 6,640,649 km (0.049 R)
• M15: 6,993,252 km (0.053 R)
• M16: 7,599,572 km (0.077 R)
• M17: 8,827,022 km (0.103 R)
• M18: 9,630,812 km (0.061 R)
• M19: 10,116,107 km (0.102 R)
• M20: 10,448,813 km (0.092 R)
• M21: 11,171,221 km (0.102 R)
• M22: 13,339,642 km (0.075 R)

Asteroid Belt

Center: 2.81 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.2

Radius: 12

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.48 AU - 4.42 AU

Year: 5069 Days

Day: 14.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,398,936 km

• M1: 154,834 km (0.12 R)
• M2: 536,907 km (0.056 R)
• M3: 1,012,778 km (0.053 R)
• M4: 1,684,472 km (0.095 R)
• M5: 2,187,270 km (0.049 R)
• M6: 2,997,493 km (0.096 R)
• M7: 3,573,744 km (0.067 R)
• M8: 4,018,199 km (0.092 R)
• M9: 4,698,271 km (0.117 R)
• M10: 5,257,468 km (0.089 R)
• M11: 5,886,975 km (0.092 R)
• M12: 6,481,926 km (0.071 R)
• M13: 9,166,011 km (0.085 R)
• M14: 10,345,441 km (0.078 R)
• M15: 11,706,781 km (0.11 R)
• M16: 15,376,417 km (0.053 R)
• M17: 18,079,651 km (0.099 R)
• M18: 18,473,841 km (0.104 R)
• M19: 19,163,188 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.8

Radius: 8.5

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.57 AU - 4.63 AU

Year: 5360 Days

Day: 14.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,398,936 km

• M1: 125,513 km (0.081 R)
• M2: 394,490 km (0.096 R)
• M3: 1,240,166 km (0.084 R)
• M4: 2,003,115 km (0.117 R)
• M5: 2,430,217 km (0.114 R)
• M6: 3,048,655 km (0.083 R)
• M7: 3,865,310 km (0.095 R)
• M8: 4,507,982 km (0.106 R)
• M9: 6,246,908 km (0.12 R)
• M10: 6,866,093 km (0.091 R)
• M11: 7,839,228 km (0.1 R)
• M12: 8,292,808 km (0.043 R)
• M13: 8,866,815 km (0.09 R)
• M14: 11,147,136 km (0.052 R)
• M15: 12,015,103 km (0.094 R)
• M16: 13,151,448 km (0.106 R)
• M17: 14,453,548 km (0.092 R)
• M18: 15,235,047 km (0.109 R)
• M19: 15,839,572 km (0.082 R)
• M20: 17,584,183 km (0.094 R)
• M21: 18,249,295 km (0.034 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927

Radius: 11.6

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.41 AU - 4.59 AU

Year: 6164 Days

Day: 9.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,398,936 km

• M1: 146,905 km (0.061 R)
• M2: 551,567 km (0.046 R)
• M3: 1,187,508 km (0.106 R)
• M4: 2,177,846 km (0.027 R)
• M5: 2,998,839 km (0.063 R)
• M6: 3,538,139 km (0.112 R)
• M7: 5,369,516 km (0.12 R)
• M8: 7,191,469 km (0.077 R)
• M9: 10,032,183 km (0.087 R)
• M10: 12,066,863 km (0.059 R)
• M11: 12,875,889 km (0.117 R)
• M12: 16,542,533 km (0.107 R)
• M13: 17,951,146 km (0.056 R)
• M14: 19,220,933 km (0.084 R)
• M15: 20,025,919 km (0.09 R)
• M16: 22,017,815 km (0.105 R)
• M17: 25,509,279 km (0.104 R)
• M18: 26,302,746 km (0.113 R)
• M19: 30,716,632 km (0.113 R)
• M20: 31,816,625 km (0.119 R)
• M21: 33,150,439 km (0.095 R)
• M22: 34,950,401 km (0.095 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 14,615 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit