🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.2

Radius: 9.2

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.56 AU - 0.78 AU

Year: 372 Days

Day: 8.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,018,577 km

• M1: 114,442 km (0.097 R)
• M2: 585,825 km (0.108 R)
• M3: 949,198 km (0.09 R)
• M4: 1,625,830 km (0.043 R)
• M5: 2,093,024 km (0.054 R)
• M6: 2,441,437 km (0.11 R)
• M7: 3,369,991 km (0.073 R)
• M8: 3,671,281 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.6

Radius: 13.1

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.38 AU - 1.82 AU

Year: 1373 Days

Day: 6.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,018,577 km

• M1: 162,912 km (0.104 R)
• M2: 697,724 km (0.091 R)
• M3: 1,257,370 km (0.094 R)
• M4: 1,936,993 km (0.048 R)
• M5: 2,684,534 km (0.102 R)
• M6: 3,757,300 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.8

Radius: 10.2

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.75 AU - 1.77 AU

Year: 1584 Days

Day: 10 Hours

Environment

Temp: -198 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,018,577 km

• M1: 126,859 km (0.1 R)
• M2: 552,465 km (0.09 R)
• M3: 970,441 km (0.093 R)
• M4: 1,336,807 km (0.108 R)
• M5: 1,738,327 km (0.108 R)
• M6: 2,593,578 km (0.061 R)
• M7: 2,911,474 km (0.115 R)
• M8: 3,330,647 km (0.116 R)
• M9: 3,659,164 km (0.061 R)
• M10: 4,437,073 km (0.1 R)
• M11: 5,176,834 km (0.099 R)
• M12: 5,576,410 km (0.07 R)
• M13: 6,461,581 km (0.088 R)
• M14: 6,975,599 km (0.095 R)
• M15: 7,676,465 km (0.031 R)
• M16: 9,188,002 km (0.12 R)
• M17: 10,519,722 km (0.044 R)
• M18: 11,688,680 km (0.069 R)
• M19: 12,048,463 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.1

Radius: 11.6

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.74 AU - 3.64 AU

Year: 3864 Days

Day: 8.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 34,018,577 km

• M1: 144,362 km (0.037 R)
• M2: 567,724 km (0.055 R)
• M3: 936,782 km (0.057 R)
• M4: 1,442,722 km (0.041 R)
• M5: 2,031,838 km (0.096 R)
• M6: 3,147,689 km (0.071 R)
• M7: 3,841,374 km (0.106 R)
• M8: 4,780,849 km (0.057 R)
• M9: 5,479,172 km (0.078 R)
• M10: 6,155,803 km (0.05 R)
• M11: 6,699,292 km (0.091 R)
• M12: 7,143,897 km (0.06 R)
• M13: 9,871,215 km (0.098 R)
• M14: 14,446,068 km (0.106 R)
• M15: 15,682,046 km (0.111 R)
• M16: 17,162,765 km (0.091 R)
• M17: 17,816,508 km (0.072 R)
• M18: 18,548,490 km (0.078 R)
• M19: 18,984,718 km (0.068 R)
• M20: 21,337,144 km (0.044 R)
• M21: 24,245,925 km (0.08 R)
• M22: 24,918,069 km (0.102 R)
• M23: 25,373,145 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.4

Radius: 10.3

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.96 AU - 3.84 AU

Year: 4252 Days

Day: 8.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 34,018,577 km

• M1: 128,505 km (0.108 R)
• M2: 480,808 km (0.094 R)
• M3: 1,123,031 km (0.084 R)
• M4: 1,484,759 km (0.075 R)
• M5: 2,481,380 km (0.05 R)
• M6: 2,831,588 km (0.05 R)
• M7: 3,160,405 km (0.119 R)
• M8: 3,514,952 km (0.056 R)
• M9: 3,875,482 km (0.087 R)
• M10: 4,862,230 km (0.094 R)
• M11: 8,540,842 km (0.08 R)
• M12: 9,010,729 km (0.094 R)
• M13: 9,536,116 km (0.085 R)
• M14: 10,772,094 km (0.055 R)
• M15: 11,192,763 km (0.077 R)
• M16: 11,537,287 km (0.05 R)
• M17: 12,067,163 km (0.088 R)
• M18: 13,511,380 km (0.103 R)
• M19: 14,757,531 km (0.115 R)
• M20: 15,647,638 km (0.11 R)
• M21: 16,740,151 km (0.081 R)
• M22: 18,713,048 km (0.064 R)
• M23: 19,568,748 km (0.1 R)
• M24: 20,771,664 km (0.06 R)
• M25: 21,292,564 km (0.104 R)
• M26: 22,976,887 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.7

Radius: 8.5

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.2 AU - 4.44 AU

Year: 5064 Days

Day: 7.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,018,577 km

• M1: 106,214 km (0.054 R)
• M2: 392,844 km (0.071 R)
• M3: 819,348 km (0.117 R)
• M4: 1,101,938 km (0.11 R)
• M5: 1,499,419 km (0.118 R)
• M6: 2,334,475 km (0.12 R)
• M7: 2,643,694 km (0.053 R)
• M8: 3,060,772 km (0.048 R)
• M9: 3,910,788 km (0.054 R)
• M10: 4,667,005 km (0.108 R)
• M11: 5,254,326 km (0.088 R)
• M12: 5,966,711 km (0.107 R)
• M13: 7,343,909 km (0.074 R)
• M14: 8,297,595 km (0.029 R)
• M15: 9,331,616 km (0.086 R)
• M16: 9,861,641 km (0.088 R)
• M17: 11,215,951 km (0.081 R)
• M18: 12,477,958 km (0.115 R)
• M19: 13,208,894 km (0.102 R)
• M20: 15,041,168 km (0.068 R)
• M21: 16,268,768 km (0.112 R)
• M22: 17,456,127 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.3

Radius: 13.8

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.75 AU - 5.67 AU

Year: 6933 Days

Day: 11 Hours

Environment

Temp: -233 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,018,577 km

• M1: 172,486 km (0.081 R)
• M2: 602,730 km (0.092 R)
• M3: 1,090,120 km (0.105 R)
• M4: 2,189,514 km (0.091 R)
• M5: 2,661,197 km (0.093 R)
• M6: 3,913,630 km (0.113 R)
• M7: 8,608,460 km (0.095 R)
• M8: 10,534,383 km (0.096 R)
• M9: 11,263,672 km (0.084 R)
• M10: 12,288,268 km (0.106 R)
• M11: 12,733,172 km (0.09 R)
• M12: 16,690,335 km (0.068 R)
• M13: 19,844,457 km (0.109 R)
• M14: 20,519,891 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 288.2

Radius: 3.8

Gravity: 19.96 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.25 AU - 6.55 AU

Year: 9720 Days

Day: 16 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 34,018,577 km

• M1: 47,273 km (0.041 R)
• M2: 186,100 km (0.076 R)
• M3: 359,484 km (0.036 R)
• M4: 558,598 km (0.096 R)
• M5: 803,490 km (0.038 R)
• M6: 1,065,586 km (0.078 R)
• M7: 1,787,096 km (0.113 R)
• M8: 1,918,144 km (0.038 R)
• M9: 2,249,503 km (0.094 R)
• M10: 2,385,338 km (0.082 R)
• M11: 3,190,773 km (0.073 R)
• M12: 3,819,383 km (0.071 R)
• M13: 4,743,599 km (0.045 R)
• M14: 6,773,343 km (0.106 R)
• M15: 7,996,904 km (0.064 R)
• M16: 8,764,490 km (0.094 R)
• M17: 9,802,550 km (0.119 R)
• M18: 11,360,014 km (0.052 R)
• M19: 12,067,911 km (0.094 R)
• M20: 12,380,121 km (0.096 R)
• M21: 14,367,529 km (0.085 R)
• M22: 15,742,932 km (0.092 R)
• M23: 18,135,451 km (0.119 R)
• M24: 18,271,286 km (0.084 R)
• M25: 18,407,868 km (0.108 R)
• M26: 18,613,865 km (0.074 R)
• M27: 22,356,055 km (0.049 R)
• M28: 23,626,141 km (0.115 R)
• M29: 24,776,100 km (0.097 R)
• M30: 26,049,028 km (0.108 R)
• M31: 28,909,190 km (0.103 R)
• M32: 29,467,789 km (0.092 R)
• M33: 33,991,778 km (0.08 R)
• M34: 34,405,715 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252.7

Radius: 3.4

Gravity: 21.86 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.8 AU - 7.1 AU

Year: 9844 Days

Day: 20.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 34,018,577 km

• M1: 51,162 km (0.034 R)
• M2: 161,566 km (0.11 R)
• M3: 399,127 km (0.118 R)
• M4: 598,990 km (0.035 R)
• M5: 812,316 km (0.067 R)
• M6: 1,006,345 km (0.061 R)
• M7: 1,365,978 km (0.098 R)
• M8: 2,168,272 km (0.084 R)
• M9: 2,505,914 km (0.049 R)
• M10: 3,056,584 km (0.104 R)
• M11: 4,039,591 km (0.088 R)
• M12: 4,163,159 km (0.101 R)
• M13: 5,100,539 km (0.088 R)
• M14: 7,381,159 km (0.108 R)
• M15: 7,792,254 km (0.101 R)
• M16: 8,619,081 km (0.097 R)
• M17: 8,824,330 km (0.091 R)
• M18: 10,079,157 km (0.106 R)
• M19: 10,538,123 km (0.085 R)
• M20: 11,846,655 km (0.103 R)
• M21: 13,259,607 km (0.107 R)
• M22: 13,423,267 km (0.061 R)
• M23: 14,548,692 km (0.086 R)
• M24: 14,839,660 km (0.107 R)
• M25: 19,189,966 km (0.116 R)
• M26: 19,751,706 km (0.115 R)
• M27: 22,032,176 km (0.071 R)
• M28: 24,728,528 km (0.105 R)
• M29: 25,477,415 km (0.067 R)
• M30: 28,806,267 km (0.074 R)
• M31: 29,264,784 km (0.109 R)
• M32: 31,630,525 km (0.058 R)
• M33: 34,018,556 km (0.111 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: 486 - 17,635 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit