🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.74 AU - 1.14 AU

Year: 416 Days

Day: 35.7 Hours

Environment

Temp: -72 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.69 AU - 1.71 AU

Year: 1012 Days

Day: 14.5 Hours

Environment

Temp: -129 °C

Axial Tilt: 26.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.6

Radius: 9.1

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.74 AU - 3.72 AU

Year: 2650 Days

Day: 12.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,240,836 km

• M1: 113,246 km (0.077 R)
• M2: 432,338 km (0.064 R)
• M3: 1,625,680 km (0.104 R)
• M4: 2,337,616 km (0.039 R)
• M5: 2,757,388 km (0.104 R)
• M6: 3,042,671 km (0.026 R)
• M7: 4,201,905 km (0.084 R)
• M8: 4,735,371 km (0.102 R)
• M9: 5,385,972 km (0.041 R)
• M10: 6,666,380 km (0.1 R)
• M11: 7,574,739 km (0.094 R)
• M12: 8,431,336 km (0.087 R)
• M13: 8,968,542 km (0.095 R)
• M14: 9,671,951 km (0.119 R)
• M15: 10,111,320 km (0.097 R)
• M16: 12,087,209 km (0.088 R)
• M17: 13,077,397 km (0.078 R)
• M18: 13,569,724 km (0.032 R)
• M19: 15,267,659 km (0.063 R)
• M20: 15,663,346 km (0.09 R)
• M21: 16,891,844 km (0.098 R)
• M22: 18,460,377 km (0.076 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.9

Radius: 4.4

Gravity: 50.61 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 10.54 AU - 10.64 AU

Year: 15734 Days

Day: 17.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,240,836 km

• M1: 59,091 km (0.035 R)
• M2: 230,381 km (0.098 R)
• M3: 647,609 km (0.12 R)
• M4: 1,141,581 km (0.082 R)
• M5: 1,308,533 km (0.104 R)
• M6: 1,948,063 km (0.101 R)
• M7: 2,146,580 km (0.059 R)
• M8: 2,975,202 km (0.081 R)
• M9: 5,348,573 km (0.117 R)
• M10: 5,778,667 km (0.032 R)
• M11: 12,401,215 km (0.074 R)
• M12: 20,664,851 km (0.114 R)
• M13: 22,308,932 km (0.095 R)
• M14: 25,855,150 km (0.093 R)
• M15: 27,991,557 km (0.089 R)
• M16: 32,997,102 km (0.112 R)
• M17: 38,567,229 km (0.115 R)
• M18: 41,799,440 km (0.103 R)
• M19: 44,890,431 km (0.046 R)
• M20: 51,522,853 km (0.075 R)
• M21: 65,254,591 km (0.048 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854

Radius: 4.6

Gravity: 40.36 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 10.93 AU - 11.07 AU

Year: 16657 Days

Day: 22.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,240,836 km

• M1: 58,044 km (0.067 R)
• M2: 273,465 km (0.028 R)
• M3: 523,293 km (0.093 R)
• M4: 709,094 km (0.117 R)
• M5: 1,482,964 km (0.095 R)
• M6: 1,993,392 km (0.096 R)
• M7: 3,637,622 km (0.102 R)
• M8: 5,159,780 km (0.082 R)
• M9: 6,269,497 km (0.079 R)
• M10: 9,665,518 km (0.116 R)
• M11: 11,782,627 km (0.092 R)
• M12: 12,108,302 km (0.117 R)
• M13: 12,641,918 km (0.115 R)
• M14: 15,781,229 km (0.105 R)
• M15: 17,826,232 km (0.097 R)
• M16: 18,255,428 km (0.041 R)
• M17: 20,598,879 km (0.084 R)
• M18: 23,338,764 km (0.091 R)
• M19: 33,125,457 km (0.071 R)
• M20: 36,041,717 km (0.068 R)
• M21: 40,582,013 km (0.107 R)
• M22: 48,249,951 km (0.064 R)
• M23: 51,986,008 km (0.115 R)
• M24: 56,460,331 km (0.097 R)
• M25: 58,131,788 km (0.116 R)
• M26: 59,645,120 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.5

Radius: 5.1

Gravity: 17.94 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 11.79 AU - 15.03 AU

Year: 22420 Days

Day: 23.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 72,240,836 km

• M1: 63,429 km (0.097 R)
• M2: 535,411 km (0.091 R)
• M3: 918,830 km (0.066 R)
• M4: 1,734,288 km (0.088 R)
• M5: 1,992,793 km (0.11 R)
• M6: 3,105,353 km (0.062 R)
• M7: 4,965,453 km (0.088 R)
• M8: 8,045,673 km (0.108 R)
• M9: 12,006,576 km (0.034 R)
• M10: 15,343,954 km (0.101 R)
• M11: 17,182,213 km (0.066 R)
• M12: 20,346,058 km (0.114 R)
• M13: 23,981,137 km (0.067 R)
• M14: 24,398,366 km (0.114 R)
• M15: 25,247,184 km (0.076 R)
• M16: 26,446,211 km (0.091 R)
• M17: 28,373,031 km (0.052 R)
• M18: 35,649,771 km (0.082 R)
• M19: 36,466,725 km (0.1 R)
• M20: 41,035,893 km (0.106 R)
• M21: 46,132,692 km (0.115 R)
• M22: 48,416,603 km (0.105 R)
• M23: 49,250,312 km (0.029 R)
• M24: 51,118,041 km (0.109 R)
• M25: 51,290,079 km (0.081 R)
• M26: 61,946,533 km (0.096 R)
• M27: 63,921,375 km (0.088 R)
• M28: 64,321,250 km (0.055 R)
• M29: 66,961,802 km (0.058 R)
• M30: 67,167,798 km (0.043 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: 366 - 17,528 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit