🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.49 AU - 0.59 AU

Year: 260 Days

Day: 25.7 Hours

Environment

Temp: -118 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,887,070 km

• M1: 118,930 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.8

Radius: 13.5

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.57 AU - 0.89 AU

Year: 409 Days

Day: 11.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,887,070 km

• M1: 167,849 km (0.092 R)
• M2: 601,084 km (0.079 R)
• M3: 1,077,853 km (0.103 R)
• M4: 1,514,230 km (0.063 R)
• M5: 2,324,751 km (0.099 R)
• M6: 3,150,830 km (0.098 R)
• M7: 3,994,712 km (0.037 R)
• M8: 4,865,222 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.2

Radius: 8.8

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.73 AU - 0.83 AU

Year: 452 Days

Day: 6.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 93.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,887,070 km

• M1: 109,506 km (0.096 R)
• M2: 418,126 km (0.11 R)
• M3: 816,804 km (0.114 R)
• M4: 1,107,772 km (0.11 R)
• M5: 1,443,470 km (0.096 R)
• M6: 1,909,318 km (0.117 R)
• M7: 2,235,142 km (0.079 R)
• M8: 2,568,745 km (0.077 R)
• M9: 4,021,340 km (0.065 R)
• M10: 4,334,000 km (0.11 R)
• M11: 4,633,644 km (0.087 R)
• M12: 5,116,846 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.3

Radius: 10.4

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.42 AU - 1.54 AU

Year: 1181 Days

Day: 6.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,887,070 km

• M1: 129,402 km (0.093 R)
• M2: 453,431 km (0.114 R)
• M3: 918,830 km (0.1 R)
• M4: 1,510,639 km (0.083 R)
• M5: 1,849,179 km (0.113 R)
• M6: 2,216,592 km (0.109 R)
• M7: 2,570,391 km (0.106 R)
• M8: 3,624,607 km (0.074 R)
• M9: 4,241,100 km (0.109 R)
• M10: 4,848,617 km (0.046 R)
• M11: 5,534,373 km (0.11 R)
• M12: 6,056,470 km (0.104 R)
• M13: 6,469,210 km (0.106 R)
• M14: 7,275,094 km (0.104 R)
• M15: 9,234,377 km (0.064 R)
• M16: 9,751,388 km (0.108 R)
• M17: 10,876,663 km (0.096 R)
• M18: 11,627,046 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.8

Radius: 13.1

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.75 AU - 1.85 AU

Year: 1584 Days

Day: 6.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,887,070 km

• M1: 163,959 km (0.089 R)
• M2: 673,490 km (0.098 R)
• M3: 1,228,049 km (0.045 R)
• M4: 1,701,526 km (0.098 R)
• M5: 2,285,706 km (0.073 R)
• M6: 2,715,201 km (0.089 R)
• M7: 4,134,885 km (0.092 R)
• M8: 5,289,482 km (0.105 R)
• M9: 5,788,989 km (0.103 R)
• M10: 6,221,027 km (0.05 R)
• M11: 7,424,094 km (0.091 R)
• M12: 7,964,291 km (0.062 R)
• M13: 10,960,438 km (0.056 R)
• M14: 13,195,879 km (0.097 R)
• M15: 13,736,076 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.9

Radius: 13.4

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.6 AU - 6.7 AU

Year: 8810 Days

Day: 13.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,887,070 km

• M1: 166,802 km (0.065 R)
• M2: 595,848 km (0.065 R)
• M3: 1,019,659 km (0.101 R)
• M4: 1,745,358 km (0.032 R)
• M5: 2,438,146 km (0.118 R)
• M6: 3,476,505 km (0.057 R)
• M7: 4,640,376 km (0.104 R)
• M8: 5,263,751 km (0.084 R)
• M9: 7,558,582 km (0.108 R)
• M10: 9,597,601 km (0.064 R)
• M11: 11,530,705 km (0.097 R)
• M12: 13,711,393 km (0.106 R)
• M13: 15,603,357 km (0.094 R)
• M14: 16,861,924 km (0.11 R)
• M15: 18,720,827 km (0.109 R)
• M16: 19,343,603 km (0.102 R)
• M17: 40,038,973 km (0.074 R)
• M18: 42,792,321 km (0.031 R)
• M19: 44,696,553 km (0.108 R)
• M20: 46,090,954 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.3

Radius: 5.2

Gravity: 14.32 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 9.7 AU - 11.36 AU

Year: 22416 Days

Day: 19.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,887,070 km

• M1: 81,680 km (0.108 R)
• M2: 466,895 km (0.11 R)
• M3: 1,013,974 km (0.038 R)
• M4: 7,425,590 km (0.103 R)
• M5: 8,799,347 km (0.101 R)
• M6: 9,008,634 km (0.051 R)
• M7: 10,567,294 km (0.068 R)
• M8: 12,493,217 km (0.075 R)
• M9: 13,366,271 km (0.093 R)
• M10: 15,534,841 km (0.089 R)
• M11: 16,543,580 km (0.104 R)
• M12: 23,728,765 km (0.088 R)
• M13: 28,791,905 km (0.118 R)
• M14: 30,309,576 km (0.085 R)
• M15: 31,391,168 km (0.106 R)
• M16: 34,014,217 km (0.099 R)
• M17: 34,271,526 km (0.087 R)
• M18: 37,871,748 km (0.099 R)
• M19: 39,549,638 km (0.086 R)
• M20: 49,014,396 km (0.117 R)
• M21: 52,020,715 km (0.087 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 378 - 19,125 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit