🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.8

Radius: 14.7

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.62 AU - 1.66 AU

Year: 1335 Days

Day: 11.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,174,400 km

• M1: 182,809 km (0.037 R)
• M2: 936,483 km (0.096 R)
• M3: 1,567,935 km (0.11 R)
• M4: 2,320,861 km (0.063 R)
• M5: 3,555,493 km (0.05 R)
• M6: 4,380,525 km (0.052 R)
• M7: 5,270,632 km (0.084 R)
• M8: 7,869,895 km (0.06 R)
• M9: 9,186,656 km (0.027 R)
• M10: 9,837,257 km (0.105 R)
• M11: 11,099,264 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.9

Radius: 10.3

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.84 AU - 1.98 AU

Year: 1678 Days

Day: 5.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,174,400 km

• M1: 130,001 km (0.114 R)
• M2: 566,677 km (0.109 R)
• M3: 1,023,100 km (0.031 R)
• M4: 1,363,285 km (0.115 R)
• M5: 1,700,180 km (0.104 R)
• M6: 2,318,617 km (0.11 R)
• M7: 3,218,000 km (0.09 R)
• M8: 4,092,998 km (0.083 R)
• M9: 4,786,683 km (0.1 R)
• M10: 5,971,947 km (0.049 R)
• M11: 6,608,037 km (0.113 R)
• M12: 8,396,480 km (0.108 R)
• M13: 8,851,257 km (0.118 R)
• M14: 10,731,254 km (0.059 R)
• M15: 12,161,858 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790

Radius: 13.6

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.51 AU - 2.49 AU

Year: 1798 Days

Day: 12.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,174,400 km

• M1: 169,195 km (0.072 R)
• M2: 770,279 km (0.057 R)
• M3: 1,318,107 km (0.109 R)
• M4: 1,910,664 km (0.051 R)
• M5: 2,892,774 km (0.117 R)
• M6: 3,626,252 km (0.092 R)
• M7: 4,093,746 km (0.087 R)
• M8: 4,871,355 km (0.056 R)
• M9: 5,627,573 km (0.118 R)
• M10: 6,800,869 km (0.05 R)
• M11: 7,347,200 km (0.119 R)
• M12: 8,684,306 km (0.089 R)
• M13: 9,494,229 km (0.114 R)
• M14: 10,967,768 km (0.036 R)
• M15: 11,953,468 km (0.071 R)
• M16: 14,856,116 km (0.068 R)
• M17: 15,731,562 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.3

Radius: 8.8

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.9 AU - 3.08 AU

Year: 3287 Days

Day: 10.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,174,400 km

• M1: 109,805 km (0.096 R)
• M2: 440,566 km (0.032 R)
• M3: 758,910 km (0.107 R)
• M4: 1,855,762 km (0.083 R)
• M5: 2,557,376 km (0.058 R)
• M6: 3,257,344 km (0.075 R)
• M7: 3,724,538 km (0.079 R)
• M8: 4,275,358 km (0.096 R)
• M9: 5,191,046 km (0.061 R)
• M10: 8,657,079 km (0.074 R)
• M11: 9,081,638 km (0.106 R)
• M12: 9,692,446 km (0.091 R)
• M13: 10,882,946 km (0.074 R)
• M14: 13,122,127 km (0.068 R)
• M15: 16,184,246 km (0.098 R)
• M16: 16,678,816 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.8

Radius: 13.8

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.29 AU - 4.25 AU

Year: 4654 Days

Day: 7.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 55,174,400 km

• M1: 172,038 km (0.086 R)
• M2: 836,402 km (0.059 R)
• M3: 1,441,226 km (0.118 R)
• M4: 5,834,167 km (0.11 R)
• M5: 10,823,855 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227

Radius: 5.8

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 5.23 AU - 8.15 AU

Year: 11002 Days

Day: 21 Hours

Environment

Temp: -232 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,174,400 km

• M1: 88,861 km (0.097 R)
• M2: 277,803 km (0.097 R)
• M3: 1,992,644 km (0.042 R)
• M4: 2,246,362 km (0.038 R)
• M5: 2,433,060 km (0.099 R)
• M6: 2,742,279 km (0.094 R)
• M7: 3,395,273 km (0.085 R)
• M8: 3,665,148 km (0.041 R)
• M9: 4,096,887 km (0.08 R)
• M10: 8,079,631 km (0.116 R)
• M11: 11,915,171 km (0.106 R)
• M12: 18,202,321 km (0.085 R)
• M13: 27,902,696 km (0.097 R)
• M14: 29,467,190 km (0.066 R)
• M15: 31,381,594 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 811.1

Radius: 6

Gravity: 22.53 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.62 AU - 7.04 AU

Year: 11349 Days

Day: 18.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,174,400 km

• M1: 76,594 km (0.117 R)
• M2: 345,272 km (0.089 R)
• M3: 577,597 km (0.09 R)
• M4: 1,099,993 km (0.055 R)
• M5: 1,813,276 km (0.059 R)
• M6: 2,001,171 km (0.086 R)
• M7: 2,202,230 km (0.116 R)
• M8: 2,602,704 km (0.081 R)
• M9: 5,942,476 km (0.056 R)
• M10: 6,838,867 km (0.102 R)
• M11: 7,340,768 km (0.103 R)
• M12: 8,231,324 km (0.044 R)
• M13: 9,699,328 km (0.093 R)
• M14: 10,012,585 km (0.063 R)
• M15: 10,278,720 km (0.117 R)
• M16: 14,249,496 km (0.116 R)
• M17: 14,928,820 km (0.027 R)
• M18: 15,487,419 km (0.102 R)
• M19: 17,020,348 km (0.081 R)
• M20: 19,055,029 km (0.117 R)
• M21: 19,464,029 km (0.026 R)
• M22: 19,795,389 km (0.062 R)
• M23: 25,524,688 km (0.101 R)
• M24: 32,037,581 km (0.055 R)
• M25: 39,709,109 km (0.106 R)
• M26: 51,301,598 km (0.074 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: 492 - 17,357 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit