🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.7

Radius: 12.1

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.62 AU - 0.7 AU

Year: 364 Days

Day: 6.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 131 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 50,156,310 km

• M1: 150,495 km (0.115 R)
• M2: 824,733 km (0.103 R)
• M3: 1,283,550 km (0.073 R)
• M4: 1,702,873 km (0.118 R)
• M5: 2,175,452 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.6

Radius: 8.3

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.91 AU - 1.07 AU

Year: 668 Days

Day: 13.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,156,310 km

• M1: 103,223 km (0.051 R)
• M2: 373,396 km (0.111 R)
• M3: 643,121 km (0.083 R)
• M4: 939,175 km (0.065 R)
• M5: 1,219,522 km (0.106 R)
• M6: 1,527,245 km (0.074 R)
• M7: 2,293,036 km (0.078 R)
• M8: 2,811,692 km (0.1 R)
• M9: 3,183,143 km (0.075 R)
• M10: 4,039,292 km (0.085 R)
• M11: 5,380,287 km (0.09 R)
• M12: 5,973,293 km (0.115 R)
• M13: 6,510,200 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.4

Radius: 14.6

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.73 AU - 1.83 AU

Year: 1611 Days

Day: 5.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,156,310 km

• M1: 185,053 km (0.097 R)
• M2: 646,861 km (0.104 R)
• M3: 1,117,945 km (0.096 R)
• M4: 1,793,978 km (0.1 R)
• M5: 2,487,962 km (0.102 R)
• M6: 3,225,330 km (0.104 R)
• M7: 3,773,756 km (0.05 R)
• M8: 4,278,350 km (0.119 R)
• M9: 4,885,418 km (0.087 R)
• M10: 6,070,382 km (0.057 R)
• M11: 6,599,809 km (0.084 R)
• M12: 7,699,354 km (0.106 R)
• M13: 8,320,933 km (0.094 R)
• M14: 9,093,307 km (0.087 R)
• M15: 10,584,498 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.4

Radius: 14.7

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.2 AU - 2.26 AU

Year: 2259 Days

Day: 6.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,156,310 km

• M1: 182,809 km (0.094 R)
• M2: 766,240 km (0.104 R)
• M3: 1,256,173 km (0.083 R)
• M4: 1,745,957 km (0.089 R)
• M5: 2,225,867 km (0.071 R)
• M6: 2,780,426 km (0.116 R)
• M7: 3,326,458 km (0.111 R)
• M8: 4,472,228 km (0.07 R)
• M9: 5,435,190 km (0.117 R)
• M10: 6,479,682 km (0.088 R)
• M11: 8,672,937 km (0.028 R)
• M12: 10,423,232 km (0.115 R)
• M13: 13,410,701 km (0.086 R)
• M14: 14,844,298 km (0.096 R)
• M15: 17,081,384 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274

Radius: 14.1

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.08 AU - 2.76 AU

Year: 2553 Days

Day: 10.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,156,310 km

• M1: 175,329 km (0.108 R)
• M2: 661,821 km (0.057 R)
• M3: 1,253,032 km (0.038 R)
• M4: 1,888,524 km (0.076 R)
• M5: 2,337,168 km (0.066 R)
• M6: 3,537,541 km (0.09 R)
• M7: 4,102,422 km (0.084 R)
• M8: 4,767,235 km (0.096 R)
• M9: 5,525,397 km (0.102 R)
• M10: 7,123,551 km (0.046 R)
• M11: 7,916,121 km (0.081 R)
• M12: 9,356,449 km (0.065 R)
• M13: 9,939,582 km (0.105 R)
• M14: 11,000,829 km (0.092 R)
• M15: 11,761,684 km (0.075 R)
• M16: 14,046,642 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.8

Radius: 8

Gravity: 14.09 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.48 AU - 3.48 AU

Year: 3489 Days

Day: 5.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,156,310 km

• M1: 99,483 km (0.084 R)
• M2: 444,754 km (0.069 R)
• M3: 738,565 km (0.116 R)
• M4: 1,136,944 km (0.094 R)
• M5: 1,413,251 km (0.099 R)
• M6: 1,685,818 km (0.107 R)
• M7: 2,657,157 km (0.092 R)
• M8: 3,169,680 km (0.11 R)
• M9: 3,479,646 km (0.094 R)
• M10: 3,895,678 km (0.097 R)
• M11: 4,206,393 km (0.096 R)
• M12: 4,462,056 km (0.118 R)
• M13: 4,928,203 km (0.09 R)
• M14: 6,401,442 km (0.094 R)
• M15: 6,771,996 km (0.091 R)
• M16: 7,556,338 km (0.095 R)
• M17: 8,509,426 km (0.037 R)
• M18: 9,034,066 km (0.106 R)
• M19: 9,382,629 km (0.102 R)
• M20: 10,314,324 km (0.109 R)
• M21: 13,082,783 km (0.056 R)
• M22: 16,028,065 km (0.053 R)
• M23: 16,712,326 km (0.089 R)
• M24: 19,070,737 km (0.052 R)
• M25: 20,627,452 km (0.092 R)
• M26: 21,029,571 km (0.033 R)
• M27: 24,139,561 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.2

Radius: 11

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.54 AU - 5.32 AU

Year: 6324 Days

Day: 13.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,156,310 km

• M1: 136,882 km (0.079 R)
• M2: 483,500 km (0.087 R)
• M3: 1,601,894 km (0.099 R)
• M4: 1,957,638 km (0.077 R)
• M5: 2,451,760 km (0.1 R)
• M6: 2,813,786 km (0.117 R)
• M7: 4,196,968 km (0.084 R)
• M8: 5,254,924 km (0.097 R)
• M9: 5,768,494 km (0.094 R)
• M10: 6,183,478 km (0.115 R)
• M11: 7,002,228 km (0.102 R)
• M12: 7,776,696 km (0.078 R)
• M13: 8,125,708 km (0.099 R)
• M14: 10,305,498 km (0.115 R)
• M15: 10,679,792 km (0.101 R)
• M16: 11,307,355 km (0.093 R)
• M17: 13,839,897 km (0.082 R)
• M18: 14,527,748 km (0.093 R)
• M19: 16,347,457 km (0.12 R)
• M20: 18,519,319 km (0.112 R)
• M21: 19,284,213 km (0.116 R)
• M22: 22,555,769 km (0.111 R)
• M23: 23,589,041 km (0.043 R)
• M24: 24,987,632 km (0.094 R)
• M25: 25,409,348 km (0.096 R)
• M26: 29,985,846 km (0.065 R)
• M27: 34,042,043 km (0.109 R)
• M28: 35,295,074 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 629.9

Radius: 5.7

Gravity: 19.39 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 6.35 AU - 6.59 AU

Year: 11162 Days

Day: 22.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,156,310 km

• M1: 70,909 km (0.093 R)
• M2: 287,826 km (0.107 R)
• M3: 502,350 km (0.049 R)
• M4: 789,578 km (0.062 R)
• M5: 1,123,929 km (0.119 R)
• M6: 2,292,737 km (0.048 R)
• M7: 3,349,048 km (0.053 R)
• M8: 5,438,631 km (0.108 R)
• M9: 5,820,255 km (0.115 R)
• M10: 7,072,688 km (0.098 R)
• M11: 7,359,916 km (0.044 R)
• M12: 12,123,561 km (0.074 R)
• M13: 13,825,536 km (0.029 R)
• M14: 14,016,872 km (0.119 R)
• M15: 15,888,939 km (0.064 R)
• M16: 16,740,002 km (0.076 R)
• M17: 17,921,376 km (0.078 R)
• M18: 19,877,069 km (0.083 R)
• M19: 20,120,914 km (0.082 R)
• M20: 21,455,177 km (0.06 R)
• M21: 26,491,689 km (0.12 R)
• M22: 28,194,561 km (0.079 R)
• M23: 36,583,112 km (0.062 R)
• M24: 36,949,477 km (0.092 R)
• M25: 39,071,822 km (0.066 R)
• M26: 40,357,466 km (0.101 R)
• M27: 42,070,661 km (0.07 R)
• M28: 44,521,822 km (0.114 R)
• M29: 45,219,397 km (0.046 R)
• M30: 46,922,868 km (0.041 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 19,358 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit