🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.95 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.86 AU - 1.92 AU

Year: 949 Days

Day: 20.2 Hours

Environment

Temp: -52 °C

Axial Tilt: 9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,152,731 km

• M1: 36,801 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.9

Radius: 13.1

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 7 AU - 9.74 AU

Year: 8845 Days

Day: 7.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,152,731 km

• M1: 162,912 km (0.113 R)
• M2: 814,710 km (0.076 R)
• M3: 2,034,830 km (0.097 R)
• M4: 2,859,414 km (0.075 R)
• M5: 4,293,309 km (0.075 R)
• M6: 7,729,872 km (0.116 R)
• M7: 8,160,265 km (0.077 R)
• M8: 8,984,100 km (0.069 R)
• M9: 12,100,673 km (0.105 R)
• M10: 12,844,324 km (0.037 R)
• M11: 13,731,289 km (0.104 R)
• M12: 14,423,030 km (0.107 R)
• M13: 15,442,689 km (0.086 R)
• M14: 16,317,986 km (0.082 R)
• M15: 19,214,201 km (0.074 R)
• M16: 22,595,562 km (0.025 R)
• M17: 24,468,527 km (0.091 R)
• M18: 25,485,792 km (0.081 R)
• M19: 28,336,529 km (0.093 R)
• M20: 29,363,818 km (0.032 R)
• M21: 29,934,534 km (0.079 R)
• M22: 32,392,427 km (0.106 R)
• M23: 33,412,236 km (0.088 R)
• M24: 34,981,966 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.1

Radius: 13.1

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 6.6 AU - 10.9 AU

Year: 9454 Days

Day: 14.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,152,731 km

• M1: 207,791 km (0.062 R)
• M2: 1,471,145 km (0.097 R)
• M3: 1,943,875 km (0.05 R)
• M4: 4,263,240 km (0.114 R)
• M5: 5,825,341 km (0.066 R)
• M6: 7,614,232 km (0.099 R)
• M7: 10,046,245 km (0.072 R)
• M8: 10,549,492 km (0.069 R)
• M9: 14,313,674 km (0.106 R)
• M10: 18,258,570 km (0.072 R)
• M11: 20,634,034 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.3

Radius: 9.9

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 9.59 AU - 11.93 AU

Year: 12892 Days

Day: 9.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,152,731 km

• M1: 123,119 km (0.09 R)
• M2: 538,702 km (0.081 R)
• M3: 1,086,380 km (0.096 R)
• M4: 1,647,821 km (0.089 R)
• M5: 1,979,030 km (0.072 R)
• M6: 3,301,176 km (0.119 R)
• M7: 4,079,684 km (0.116 R)
• M8: 5,402,727 km (0.106 R)
• M9: 6,992,055 km (0.109 R)
• M10: 7,699,204 km (0.039 R)
• M11: 12,981,056 km (0.105 R)
• M12: 14,504,710 km (0.066 R)
• M13: 15,173,413 km (0.094 R)
• M14: 22,236,078 km (0.105 R)
• M15: 24,597,031 km (0.107 R)
• M16: 33,476,413 km (0.1 R)
• M17: 35,477,135 km (0.04 R)
• M18: 38,816,608 km (0.049 R)
• M19: 42,902,575 km (0.066 R)
• M20: 45,827,812 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.4

Radius: 9.6

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 9.73 AU - 13.01 AU

Year: 14003 Days

Day: 6.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,152,731 km

• M1: 121,174 km (0.058 R)
• M2: 867,368 km (0.114 R)
• M3: 1,772,286 km (0.111 R)
• M4: 2,113,220 km (0.093 R)
• M5: 2,457,594 km (0.049 R)
• M6: 6,332,179 km (0.116 R)
• M7: 7,771,310 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551.9

Radius: 6.9

Gravity: 11.59 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 12.77 AU - 15.51 AU

Year: 19421 Days

Day: 17.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 45,152,731 km

• M1: 97,388 km (0.059 R)
• M2: 692,040 km (0.118 R)
• M3: 951,742 km (0.111 R)
• M4: 1,830,031 km (0.097 R)
• M5: 2,716,099 km (0.1 R)
• M6: 3,058,828 km (0.099 R)
• M7: 3,951,179 km (0.05 R)
• M8: 5,676,192 km (0.106 R)
• M9: 5,912,407 km (0.073 R)
• M10: 6,404,584 km (0.101 R)
• M11: 7,377,419 km (0.043 R)
• M12: 9,016,264 km (0.12 R)
• M13: 14,399,693 km (0.101 R)
• M14: 14,840,109 km (0.104 R)
• M15: 17,924,667 km (0.081 R)
• M16: 20,021,281 km (0.04 R)
• M17: 20,848,109 km (0.097 R)
• M18: 23,063,953 km (0.055 R)
• M19: 23,364,046 km (0.037 R)
• M20: 23,870,135 km (0.086 R)
• M21: 24,486,927 km (0.117 R)
• M22: 25,432,087 km (0.078 R)
• M23: 35,588,885 km (0.092 R)
• M24: 35,989,807 km (0.103 R)
• M25: 39,734,690 km (0.113 R)
• M26: 40,310,642 km (0.063 R)
• M27: 40,600,713 km (0.115 R)
• M28: 44,499,532 km (0.109 R)
• M29: 48,969,666 km (0.113 R)
• M30: 49,465,733 km (0.115 R)
• M31: 56,584,198 km (0.094 R)
• M32: 58,604,068 km (0.059 R)
• M33: 59,350,262 km (0.115 R)
• M34: 61,626,992 km (0.085 R)
• M35: 65,549,897 km (0.098 R)
• M36: 66,152,328 km (0.051 R)
• M37: 68,599,001 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 64.8

Radius: 3.3

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 18.1 AU - 19.46 AU

Year: 29726 Days

Day: 18.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,152,731 km

• M1: 159,621 km (0.106 R)
• M2: 365,318 km (0.112 R)
• M3: 575,653 km (0.089 R)
• M4: 948,899 km (0.107 R)
• M5: 1,175,839 km (0.062 R)
• M6: 1,411,157 km (0.061 R)
• M7: 2,458,192 km (0.102 R)
• M8: 3,407,241 km (0.069 R)
• M9: 3,728,727 km (0.106 R)
• M10: 6,948,971 km (0.11 R)
• M11: 7,105,151 km (0.097 R)
• M12: 7,303,518 km (0.109 R)
• M13: 9,981,320 km (0.086 R)
• M14: 10,585,695 km (0.117 R)
• M15: 12,033,952 km (0.076 R)
• M16: 14,038,713 km (0.098 R)
• M17: 15,983,186 km (0.103 R)
• M18: 16,738,955 km (0.055 R)
• M19: 23,311,836 km (0.063 R)
• M20: 25,279,946 km (0.03 R)
• M21: 27,745,319 km (0.034 R)
• M22: 27,941,292 km (0.119 R)
• M23: 29,238,006 km (0.106 R)
• M24: 34,260,605 km (0.048 R)
• M25: 37,749,826 km (0.104 R)
• M26: 38,232,129 km (0.106 R)
• M27: 39,332,571 km (0.09 R)
• M28: 41,853,295 km (0.062 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: 447 - 16,323 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit