🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.3

Radius: 10.8

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.61 AU - 0.73 AU

Year: 379 Days

Day: 9.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,095,833 km

• M1: 134,339 km (0.108 R)
• M2: 480,658 km (0.118 R)
• M3: 867,668 km (0.104 R)
• M4: 1,353,562 km (0.088 R)
• M5: 2,002,966 km (0.063 R)
• M6: 2,609,286 km (0.031 R)
• M7: 3,027,562 km (0.086 R)
• M8: 3,586,459 km (0.072 R)
• M9: 3,931,133 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.6

Radius: 11.6

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.73 AU - 0.73 AU

Year: 431 Days

Day: 5.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 23,095,833 km

• M1: 144,212 km (0.061 R)
• M2: 625,020 km (0.054 R)
• M3: 1,130,062 km (0.113 R)
• M4: 1,715,588 km (0.104 R)
• M5: 2,172,610 km (0.097 R)
• M6: 2,916,111 km (0.108 R)
• M7: 3,336,182 km (0.119 R)
• M8: 3,963,895 km (0.063 R)
• M9: 4,369,006 km (0.072 R)
• M10: 4,952,288 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745

Radius: 11.4

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.56 AU - 0.9 AU

Year: 431 Days

Day: 13.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,095,833 km

• M1: 141,819 km (0.109 R)
• M2: 586,124 km (0.075 R)
• M3: 1,125,574 km (0.1 R)
• M4: 1,503,907 km (0.107 R)
• M5: 1,992,943 km (0.097 R)
• M6: 2,616,467 km (0.065 R)
• M7: 3,068,402 km (0.049 R)
• M8: 3,522,880 km (0.069 R)
• M9: 4,049,166 km (0.096 R)
• M10: 4,731,332 km (0.071 R)
• M11: 5,472,141 km (0.083 R)
• M12: 5,827,435 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.8

Radius: 8

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.99 AU - 1.21 AU

Year: 796 Days

Day: 10.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,095,833 km

• M1: 99,632 km (0.081 R)
• M2: 366,216 km (0.111 R)
• M3: 626,067 km (0.116 R)
• M4: 903,721 km (0.059 R)
• M5: 1,194,240 km (0.113 R)
• M6: 1,458,430 km (0.11 R)
• M7: 2,184,129 km (0.11 R)
• M8: 3,069,150 km (0.057 R)
• M9: 3,346,654 km (0.103 R)
• M10: 3,640,763 km (0.119 R)
• M11: 4,099,730 km (0.103 R)
• M12: 4,944,060 km (0.088 R)
• M13: 5,326,881 km (0.096 R)
• M14: 6,151,764 km (0.119 R)
• M15: 6,845,599 km (0.109 R)
• M16: 7,522,529 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.4

Radius: 10.9

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.41 AU - 1.43 AU

Year: 1168 Days

Day: 13.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,095,833 km

• M1: 135,536 km (0.103 R)
• M2: 642,523 km (0.117 R)
• M3: 984,055 km (0.046 R)
• M4: 1,356,254 km (0.093 R)
• M5: 1,806,095 km (0.075 R)
• M6: 2,576,524 km (0.032 R)
• M7: 3,370,590 km (0.12 R)
• M8: 3,728,129 km (0.115 R)
• M9: 4,095,391 km (0.064 R)
• M10: 4,867,316 km (0.082 R)
• M11: 6,162,086 km (0.094 R)
• M12: 6,589,786 km (0.117 R)
• M13: 7,014,495 km (0.091 R)
• M14: 7,820,229 km (0.104 R)
• M15: 8,739,358 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.6

Radius: 14.3

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.52 AU - 1.7 AU

Year: 1410 Days

Day: 6.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,095,833 km

• M1: 177,872 km (0.111 R)
• M2: 762,351 km (0.099 R)
• M3: 1,241,662 km (0.099 R)
• M4: 1,834,219 km (0.077 R)
• M5: 3,081,866 km (0.091 R)
• M6: 4,175,127 km (0.084 R)
• M7: 5,550,231 km (0.066 R)
• M8: 6,332,478 km (0.1 R)
• M9: 7,759,492 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.1

Radius: 14.1

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.08 AU - 3.18 AU

Year: 2944 Days

Day: 7.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 142.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,095,833 km

• M1: 175,329 km (0.117 R)
• M2: 722,857 km (0.057 R)
• M3: 5,175,787 km (0.117 R)
• M4: 7,672,276 km (0.032 R)
• M5: 8,275,305 km (0.119 R)
• M6: 9,313,515 km (0.085 R)
• M7: 13,567,330 km (0.055 R)
• M8: 14,907,129 km (0.117 R)
• M9: 15,848,398 km (0.085 R)
• M10: 18,139,939 km (0.074 R)
• M11: 19,951,120 km (0.068 R)
• M12: 20,517,348 km (0.106 R)
• M13: 21,223,899 km (0.084 R)
• M14: 21,946,606 km (0.12 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: 190 - 17,605 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit