🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.2

Radius: 13

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.52 AU - 0.86 AU

Year: 396 Days

Day: 8.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 93,560,440 km

• M1: 167,400 km (0.083 R)
• M2: 723,156 km (0.089 R)
• M3: 1,179,430 km (0.104 R)
• M4: 1,851,573 km (0.055 R)
• M5: 2,291,391 km (0.118 R)
• M6: 2,704,730 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.8

Radius: 14.6

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.41 AU - 1.77 AU

Year: 1384 Days

Day: 9.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 93,560,440 km

• M1: 181,612 km (0.117 R)
• M2: 668,702 km (0.114 R)
• M3: 1,164,470 km (0.117 R)
• M4: 1,756,877 km (0.12 R)
• M5: 2,536,581 km (0.109 R)
• M6: 3,258,242 km (0.029 R)
• M7: 3,734,860 km (0.083 R)
• M8: 4,890,953 km (0.066 R)
• M9: 5,368,469 km (0.094 R)
• M10: 6,155,354 km (0.12 R)
• M11: 6,614,171 km (0.066 R)
• M12: 7,600,769 km (0.101 R)
• M13: 8,624,168 km (0.068 R)
• M14: 9,997,476 km (0.086 R)
• M15: 12,822,632 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938

Radius: 13.2

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.23 AU - 5.27 AU

Year: 8303 Days

Day: 6.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 93,560,440 km

• M1: 269,426 km (0.087 R)
• M2: 987,795 km (0.061 R)
• M3: 1,628,822 km (0.09 R)
• M4: 2,776,237 km (0.093 R)
• M5: 6,270,844 km (0.054 R)
• M6: 7,707,881 km (0.116 R)
• M7: 8,218,159 km (0.051 R)
• M8: 12,049,061 km (0.094 R)
• M9: 16,793,857 km (0.115 R)
• M10: 18,094,760 km (0.106 R)
• M11: 20,410,685 km (0.09 R)
• M12: 23,092,077 km (0.1 R)
• M13: 24,699,356 km (0.096 R)
• M14: 26,094,955 km (0.106 R)
• M15: 27,346,341 km (0.115 R)
• M16: 37,130,042 km (0.105 R)
• M17: 38,343,281 km (0.06 R)
• M18: 41,621,269 km (0.086 R)
• M19: 43,328,330 km (0.103 R)
• M20: 44,401,845 km (0.103 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 109.7

Radius: 6.3

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.43 AU - 6.81 AU

Year: 9196 Days

Day: 18.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 93,560,440 km

• M1: 81,082 km (0.106 R)
• M2: 396,734 km (0.067 R)
• M3: 640,428 km (0.104 R)
• M4: 905,217 km (0.103 R)
• M5: 1,372,261 km (0.038 R)
• M6: 2,561,415 km (0.101 R)
• M7: 3,127,194 km (0.059 R)
• M8: 3,669,785 km (0.113 R)
• M9: 5,092,312 km (0.107 R)
• M10: 6,420,741 km (0.049 R)
• M11: 7,037,084 km (0.103 R)
• M12: 8,387,055 km (0.093 R)
• M13: 10,430,113 km (0.117 R)
• M14: 10,680,540 km (0.097 R)
• M15: 11,722,639 km (0.068 R)
• M16: 21,923,568 km (0.059 R)
• M17: 22,197,182 km (0.112 R)
• M18: 23,243,620 km (0.082 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.6

Radius: 4.3

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.76 AU - 6.9 AU

Year: 10993 Days

Day: 24.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 93,560,440 km

• M1: 54,753 km (0.092 R)
• M2: 191,186 km (0.117 R)
• M3: 359,484 km (0.116 R)
• M4: 518,357 km (0.112 R)
• M5: 855,251 km (0.083 R)
• M6: 1,002,007 km (0.085 R)
• M7: 1,726,958 km (0.083 R)
• M8: 1,949,111 km (0.073 R)
• M9: 2,750,357 km (0.117 R)
• M10: 4,369,305 km (0.097 R)
• M11: 4,598,639 km (0.07 R)
• M12: 5,053,715 km (0.117 R)
• M13: 6,210,406 km (0.117 R)
• M14: 6,698,693 km (0.077 R)
• M15: 7,389,237 km (0.083 R)
• M16: 9,279,406 km (0.03 R)
• M17: 10,179,986 km (0.096 R)
• M18: 13,441,069 km (0.038 R)
• M19: 15,161,146 km (0.069 R)
• M20: 15,627,891 km (0.107 R)
• M21: 15,984,084 km (0.071 R)
• M22: 17,654,194 km (0.095 R)
• M23: 17,911,203 km (0.09 R)
• M24: 19,233,349 km (0.094 R)
• M25: 19,711,165 km (0.033 R)
• M26: 20,057,185 km (0.079 R)
• M27: 20,337,083 km (0.091 R)
• M28: 20,832,850 km (0.096 R)
• M29: 22,745,309 km (0.089 R)
• M30: 23,744,024 km (0.04 R)
• M31: 27,255,386 km (0.072 R)
• M32: 28,206,230 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 109.1

Radius: 6

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 5.02 AU - 7.68 AU

Year: 11045 Days

Day: 19.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 93,560,440 km

• M1: 84,972 km (0.057 R)
• M2: 496,964 km (0.087 R)
• M3: 1,042,697 km (0.099 R)
• M4: 1,570,030 km (0.111 R)
• M5: 1,996,832 km (0.081 R)
• M6: 2,769,655 km (0.058 R)
• M7: 3,640,464 km (0.118 R)
• M8: 4,434,530 km (0.076 R)
• M9: 6,578,118 km (0.093 R)
• M10: 8,290,714 km (0.086 R)
• M11: 9,490,339 km (0.045 R)
• M12: 9,694,241 km (0.084 R)
• M13: 13,012,920 km (0.094 R)
• M14: 16,310,207 km (0.09 R)
• M15: 23,514,990 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.5

Radius: 4.3

Gravity: 47.84 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 5.82 AU - 7.46 AU

Year: 11810 Days

Day: 16.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 167.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 93,560,440 km

• M1: 106,663 km (0.106 R)
• M2: 292,165 km (0.104 R)
• M3: 708,346 km (0.094 R)
• M4: 1,042,548 km (0.083 R)
• M5: 1,690,456 km (0.048 R)
• M6: 2,016,878 km (0.062 R)
• M7: 2,224,371 km (0.044 R)
• M8: 2,771,899 km (0.106 R)
• M9: 3,563,122 km (0.101 R)
• M10: 4,882,575 km (0.06 R)
• M11: 5,084,832 km (0.116 R)
• M12: 6,950,467 km (0.047 R)
• M13: 8,975,723 km (0.035 R)
• M14: 9,642,032 km (0.053 R)
• M15: 12,080,926 km (0.106 R)
• M16: 13,149,054 km (0.112 R)
• M17: 14,553,330 km (0.086 R)
• M18: 19,613,478 km (0.037 R)
• M19: 20,038,635 km (0.108 R)
• M20: 21,084,174 km (0.092 R)
• M21: 23,000,373 km (0.096 R)
• M22: 28,780,686 km (0.039 R)
• M23: 29,551,115 km (0.059 R)
• M24: 35,208,158 km (0.108 R)
• M25: 35,709,760 km (0.044 R)
• M26: 44,396,459 km (0.096 R)
• M27: 46,768,932 km (0.071 R)
• M28: 47,071,269 km (0.085 R)
• M29: 48,293,783 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984.2

Radius: 4

Gravity: 61.51 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 5.93 AU - 9.55 AU

Year: 14864 Days

Day: 24 Hours

Environment

Temp: -238 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 93,560,440 km

• M1: 53,257 km (0.077 R)
• M2: 187,297 km (0.119 R)
• M3: 467,194 km (0.062 R)
• M4: 759,209 km (0.117 R)
• M5: 1,059,901 km (0.039 R)
• M6: 2,208,364 km (0.058 R)
• M7: 2,334,924 km (0.102 R)
• M8: 2,488,561 km (0.053 R)
• M9: 2,672,566 km (0.088 R)
• M10: 2,965,628 km (0.085 R)
• M11: 3,120,013 km (0.05 R)
• M12: 3,761,938 km (0.1 R)
• M13: 5,685,766 km (0.073 R)
• M14: 6,680,592 km (0.071 R)
• M15: 7,883,509 km (0.08 R)
• M16: 8,433,430 km (0.087 R)
• M17: 10,236,085 km (0.04 R)
• M18: 12,214,517 km (0.034 R)
• M19: 12,679,018 km (0.113 R)
• M20: 15,254,944 km (0.099 R)
• M21: 16,027,916 km (0.051 R)
• M22: 18,416,844 km (0.104 R)
• M23: 19,292,740 km (0.077 R)
• M24: 19,831,442 km (0.095 R)
• M25: 22,184,018 km (0.041 R)
• M26: 23,885,993 km (0.036 R)
• M27: 25,032,361 km (0.098 R)
• M28: 26,654,152 km (0.065 R)
• M29: 27,434,454 km (0.112 R)
• M30: 28,575,288 km (0.072 R)
• M31: 30,465,906 km (0.076 R)
• M32: 32,062,115 km (0.11 R)
• M33: 37,046,118 km (0.115 R)
• M34: 39,721,376 km (0.111 R)
• M35: 40,155,210 km (0.047 R)
• M36: 42,522,447 km (0.085 R)
• M37: 46,404,811 km (0.039 R)
• M38: 55,403,123 km (0.048 R)
• M39: 58,146,000 km (0.085 R)
• M40: 62,916,077 km (0.101 R)
• M41: 69,602,953 km (0.119 R)
• M42: 70,022,874 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.6

Radius: 4.7

Gravity: 42.54 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 8.88 AU - 12 AU

Year: 23284 Days

Day: 21.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 93,560,440 km

• M1: 58,493 km (0.072 R)
• M2: 326,123 km (0.11 R)
• M3: 709,991 km (0.098 R)
• M4: 936,782 km (0.098 R)
• M5: 1,319,004 km (0.094 R)
• M6: 1,608,776 km (0.11 R)
• M7: 2,532,842 km (0.097 R)
• M8: 4,384,564 km (0.108 R)
• M9: 5,562,348 km (0.066 R)
• M10: 7,185,635 km (0.06 R)
• M11: 8,409,495 km (0.108 R)
• M12: 9,766,048 km (0.088 R)
• M13: 11,058,873 km (0.119 R)
• M14: 13,743,706 km (0.098 R)
• M15: 14,618,704 km (0.053 R)
• M16: 15,699,848 km (0.09 R)
• M17: 17,741,410 km (0.117 R)
• M18: 18,207,557 km (0.072 R)
• M19: 21,073,553 km (0.069 R)
• M20: 22,776,725 km (0.088 R)
• M21: 22,995,885 km (0.071 R)
• M22: 26,213,436 km (0.063 R)
• M23: 26,575,015 km (0.057 R)
• M24: 27,062,255 km (0.094 R)
• M25: 27,308,194 km (0.119 R)
• M26: 30,375,848 km (0.094 R)
• M27: 31,855,520 km (0.118 R)
• M28: 32,682,497 km (0.075 R)
• M29: 34,379,386 km (0.09 R)
• M30: 37,794,256 km (0.083 R)
• M31: 50,118,279 km (0.104 R)
• M32: 51,612,462 km (0.065 R)
• M33: 53,521,630 km (0.114 R)
• M34: 54,689,541 km (0.102 R)
• M35: 55,874,206 km (0.104 R)
• M36: 64,431,354 km (0.07 R)
• M37: 72,393,551 km (0.053 R)
• M38: 74,060,819 km (0.082 R)
• M39: 89,143,726 km (0.106 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 18,436 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit