🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.3

Radius: 9.2

Gravity: 10.86 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.75 AU - 2.13 AU

Year: 1745 Days

Day: 9 Hours

Environment

Temp: -186 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,881,492 km

• M1: 114,442 km (0.093 R)
• M2: 444,306 km (0.105 R)
• M3: 841,638 km (0.091 R)
• M4: 1,235,978 km (0.118 R)
• M5: 1,699,731 km (0.099 R)
• M6: 2,263,565 km (0.102 R)
• M7: 2,681,542 km (0.119 R)
• M8: 3,263,627 km (0.048 R)
• M9: 4,213,574 km (0.109 R)
• M10: 4,806,131 km (0.065 R)
• M11: 5,981,970 km (0.116 R)
• M12: 7,686,488 km (0.095 R)
• M13: 8,074,994 km (0.075 R)
• M14: 8,445,249 km (0.076 R)
• M15: 9,021,799 km (0.115 R)
• M16: 9,727,302 km (0.072 R)
• M17: 10,325,095 km (0.059 R)
• M18: 10,614,717 km (0.079 R)
• M19: 11,210,416 km (0.117 R)
• M20: 11,749,716 km (0.114 R)
• M21: 14,709,510 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.3

Radius: 13.9

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.58 AU - 3.4 AU

Year: 3338 Days

Day: 15 Hours

Environment

Temp: -202 °C

Axial Tilt: 151.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,881,492 km

• M1: 172,935 km (0.044 R)
• M2: 746,045 km (0.106 R)
• M3: 1,287,738 km (0.118 R)
• M4: 2,120,550 km (0.104 R)
• M5: 2,698,596 km (0.08 R)
• M6: 5,626,825 km (0.067 R)
• M7: 6,482,225 km (0.107 R)
• M8: 8,417,423 km (0.085 R)
• M9: 8,911,246 km (0.1 R)
• M10: 10,310,435 km (0.064 R)
• M11: 11,125,444 km (0.048 R)
• M12: 11,851,592 km (0.119 R)
• M13: 13,304,187 km (0.116 R)
• M14: 16,020,137 km (0.052 R)
• M15: 17,169,946 km (0.06 R)
• M16: 20,003,928 km (0.092 R)
• M17: 21,014,162 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204

Radius: 10.1

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.03 AU - 4.39 AU

Year: 5577 Days

Day: 13.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,881,492 km

• M1: 127,457 km (0.09 R)
• M2: 1,253,630 km (0.115 R)
• M3: 1,723,218 km (0.116 R)
• M4: 2,321,759 km (0.067 R)
• M5: 3,263,777 km (0.108 R)
• M6: 3,994,263 km (0.08 R)
• M7: 4,576,797 km (0.042 R)
• M8: 5,092,611 km (0.085 R)
• M9: 5,568,930 km (0.107 R)
• M10: 6,495,540 km (0.088 R)
• M11: 7,056,532 km (0.12 R)
• M12: 7,458,651 km (0.065 R)
• M13: 7,778,341 km (0.062 R)
• M14: 8,207,687 km (0.065 R)
• M15: 10,838,067 km (0.102 R)
• M16: 14,971,306 km (0.101 R)
• M17: 15,897,766 km (0.071 R)
• M18: 16,321,576 km (0.12 R)
• M19: 16,807,470 km (0.098 R)
• M20: 17,136,735 km (0.081 R)
• M21: 17,864,828 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.8

Radius: 8.2

Gravity: 9.86 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.31 AU - 6.25 AU

Year: 8972 Days

Day: 13.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,881,492 km

• M1: 102,026 km (0.054 R)
• M2: 539,300 km (0.097 R)
• M3: 930,200 km (0.118 R)
• M4: 1,908,869 km (0.059 R)
• M5: 2,613,026 km (0.07 R)
• M6: 3,315,538 km (0.082 R)
• M7: 4,138,326 km (0.103 R)
• M8: 4,469,236 km (0.109 R)
• M9: 5,870,370 km (0.105 R)
• M10: 9,001,753 km (0.099 R)
• M11: 13,100,286 km (0.119 R)
• M12: 17,360,235 km (0.086 R)
• M13: 19,570,244 km (0.089 R)
• M14: 22,210,796 km (0.075 R)
• M15: 25,170,440 km (0.098 R)
• M16: 25,903,171 km (0.088 R)
• M17: 26,933,900 km (0.054 R)
• M18: 27,219,632 km (0.067 R)
• M19: 31,331,030 km (0.088 R)
• M20: 35,380,495 km (0.1 R)
• M21: 36,415,862 km (0.053 R)
• M22: 41,515,503 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 917.8

Radius: 5.2

Gravity: 33.94 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 6.71 AU - 7.95 AU

Year: 12814 Days

Day: 21.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,881,492 km

• M1: 65,673 km (0.118 R)
• M2: 315,053 km (0.108 R)
• M3: 746,045 km (0.074 R)
• M4: 1,647,222 km (0.1 R)
• M5: 2,143,737 km (0.091 R)
• M6: 4,050,362 km (0.059 R)
• M7: 5,515,524 km (0.096 R)
• M8: 9,336,104 km (0.101 R)
• M9: 10,482,323 km (0.034 R)
• M10: 10,826,398 km (0.093 R)
• M11: 11,356,573 km (0.051 R)
• M12: 12,854,646 km (0.096 R)
• M13: 14,409,566 km (0.07 R)
• M14: 19,132,221 km (0.101 R)
• M15: 20,168,935 km (0.078 R)
• M16: 22,732,593 km (0.086 R)
• M17: 26,972,646 km (0.092 R)
• M18: 28,717,555 km (0.089 R)
• M19: 30,304,789 km (0.065 R)
• M20: 51,624,580 km (0.111 R)
• M21: 55,506,944 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802.1

Radius: 5.2

Gravity: 29.66 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 9.9 AU - 10.24 AU

Year: 20633 Days

Day: 17 Hours

Environment

Temp: -220 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,881,492 km

• M1: 64,776 km (0.098 R)
• M2: 261,497 km (0.08 R)
• M3: 445,802 km (0.034 R)
• M4: 643,720 km (0.034 R)
• M5: 2,060,112 km (0.112 R)
• M6: 2,549,597 km (0.097 R)
• M7: 3,787,220 km (0.029 R)
• M8: 5,580,749 km (0.068 R)
• M9: 6,434,504 km (0.104 R)
• M10: 10,169,514 km (0.078 R)
• M11: 11,370,785 km (0.049 R)
• M12: 13,309,124 km (0.103 R)
• M13: 13,976,031 km (0.11 R)
• M14: 14,821,259 km (0.073 R)
• M15: 18,544,302 km (0.064 R)
• M16: 19,753,202 km (0.103 R)
• M17: 20,039,532 km (0.096 R)
• M18: 21,613,152 km (0.037 R)
• M19: 22,430,106 km (0.079 R)
• M20: 22,741,719 km (0.052 R)
• M21: 23,693,760 km (0.101 R)
• M22: 24,562,175 km (0.118 R)
• M23: 25,564,182 km (0.04 R)
• M24: 25,790,523 km (0.114 R)
• M25: 26,942,277 km (0.03 R)
• M26: 29,347,811 km (0.099 R)
• M27: 31,502,020 km (0.098 R)
• M28: 31,892,770 km (0.11 R)
• M29: 34,857,949 km (0.098 R)
• M30: 43,384,579 km (0.078 R)
• M31: 45,839,181 km (0.086 R)
• M32: 47,185,412 km (0.112 R)
• M33: 51,381,932 km (0.074 R)
• M34: 63,982,411 km (0.092 R)
• M35: 73,816,676 km (0.111 R)
• M36: 75,431,585 km (0.087 R)
• M37: 77,779,374 km (0.112 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 154 - 17,428 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit