🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.9

Radius: 14.1

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.52 AU - 0.54 AU

Year: 257 Days

Day: 11.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 62,984,576 km

• M1: 175,329 km (0.12 R)
• M2: 664,514 km (0.117 R)
• M3: 1,333,366 km (0.078 R)
• M4: 2,002,218 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.5

Radius: 13.8

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.55 AU - 0.73 AU

Year: 341 Days

Day: 10.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,984,576 km

• M1: 171,589 km (0.103 R)
• M2: 718,967 km (0.116 R)
• M3: 1,232,986 km (0.091 R)
• M4: 2,553,037 km (0.07 R)
• M5: 3,253,903 km (0.066 R)
• M6: 3,782,582 km (0.075 R)
• M7: 4,228,833 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.7

Radius: 14.9

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.95 AU - 1.03 AU

Year: 657 Days

Day: 10.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,984,576 km

• M1: 187,895 km (0.116 R)
• M2: 677,529 km (0.103 R)
• M3: 1,191,547 km (0.095 R)
• M4: 1,809,985 km (0.068 R)
• M5: 2,315,775 km (0.12 R)
• M6: 3,163,845 km (0.107 R)
• M7: 3,756,253 km (0.119 R)
• M8: 4,361,376 km (0.09 R)
• M9: 4,981,310 km (0.112 R)
• M10: 5,497,871 km (0.085 R)
• M11: 6,050,187 km (0.118 R)
• M12: 6,659,798 km (0.045 R)
• M13: 7,397,316 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.6

Radius: 11.2

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.69 AU - 1.97 AU

Year: 1651 Days

Day: 9.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,984,576 km

• M1: 139,276 km (0.101 R)
• M2: 522,994 km (0.116 R)
• M3: 998,416 km (0.066 R)
• M4: 1,370,316 km (0.096 R)
• M5: 2,396,109 km (0.092 R)
• M6: 2,834,580 km (0.103 R)
• M7: 3,401,407 km (0.093 R)
• M8: 4,076,542 km (0.101 R)
• M9: 5,587,331 km (0.109 R)
• M10: 8,024,579 km (0.109 R)
• M11: 9,492,434 km (0.064 R)
• M12: 10,146,176 km (0.037 R)
• M13: 10,796,478 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803

Radius: 8.3

Gravity: 11.66 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.23 AU - 3.11 AU

Year: 2909 Days

Day: 8 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,984,576 km

• M1: 103,522 km (0.041 R)
• M2: 736,022 km (0.116 R)
• M3: 1,026,092 km (0.078 R)
• M4: 2,183,830 km (0.091 R)
• M5: 2,831,140 km (0.057 R)
• M6: 3,758,048 km (0.106 R)
• M7: 4,368,407 km (0.112 R)
• M8: 5,166,213 km (0.08 R)
• M9: 6,057,667 km (0.027 R)
• M10: 6,598,762 km (0.051 R)
• M11: 7,202,539 km (0.102 R)
• M12: 7,614,532 km (0.097 R)
• M13: 8,485,490 km (0.091 R)
• M14: 9,053,663 km (0.078 R)
• M15: 9,914,449 km (0.026 R)
• M16: 10,746,961 km (0.061 R)
• M17: 11,798,036 km (0.065 R)
• M18: 12,505,784 km (0.075 R)
• M19: 13,763,752 km (0.118 R)
• M20: 14,398,645 km (0.109 R)
• M21: 16,747,781 km (0.094 R)
• M22: 17,698,176 km (0.111 R)
• M23: 20,199,602 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.6

Radius: 8.6

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.1 AU - 3.34 AU

Year: 2991 Days

Day: 11.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,984,576 km

• M1: 106,962 km (0.071 R)
• M2: 447,746 km (0.08 R)
• M3: 752,627 km (0.097 R)
• M4: 1,064,838 km (0.109 R)
• M5: 1,481,617 km (0.107 R)
• M6: 2,297,823 km (0.114 R)
• M7: 4,573,357 km (0.065 R)
• M8: 5,209,596 km (0.109 R)
• M9: 5,680,381 km (0.091 R)
• M10: 9,649,212 km (0.108 R)
• M11: 10,326,741 km (0.108 R)
• M12: 10,626,535 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.4

Radius: 8.7

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.51 AU - 3.05 AU

Year: 3091 Days

Day: 14.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 89.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,984,576 km

• M1: 108,159 km (0.092 R)
• M2: 380,876 km (0.115 R)
• M3: 681,269 km (0.113 R)
• M4: 1,074,711 km (0.118 R)
• M5: 1,702,723 km (0.099 R)
• M6: 2,067,592 km (0.081 R)
• M7: 2,940,047 km (0.082 R)
• M8: 3,842,421 km (0.09 R)
• M9: 5,588,976 km (0.069 R)
• M10: 6,678,647 km (0.091 R)
• M11: 7,258,937 km (0.072 R)
• M12: 8,586,619 km (0.093 R)
• M13: 13,808,033 km (0.115 R)
• M14: 15,186,577 km (0.1 R)
• M15: 17,128,807 km (0.104 R)
• M16: 18,326,038 km (0.1 R)
• M17: 18,662,035 km (0.115 R)
• M18: 19,002,071 km (0.056 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456

Radius: 10.7

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.99 AU - 3.25 AU

Year: 3675 Days

Day: 13 Hours

Environment

Temp: -213 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,984,576 km

• M1: 134,488 km (0.082 R)
• M2: 474,524 km (0.053 R)
• M3: 1,179,280 km (0.095 R)
• M4: 1,901,838 km (0.064 R)
• M5: 2,278,675 km (0.11 R)
• M6: 2,613,176 km (0.104 R)
• M7: 3,683,548 km (0.111 R)
• M8: 4,232,573 km (0.094 R)
• M9: 5,145,568 km (0.114 R)
• M10: 5,545,743 km (0.094 R)
• M11: 6,184,974 km (0.111 R)
• M12: 8,164,902 km (0.069 R)
• M13: 10,105,187 km (0.109 R)
• M14: 10,734,694 km (0.092 R)
• M15: 11,182,590 km (0.054 R)
• M16: 12,467,935 km (0.058 R)
• M17: 13,754,028 km (0.115 R)
• M18: 14,875,115 km (0.06 R)
• M19: 16,642,314 km (0.097 R)
• M20: 18,720,079 km (0.103 R)
• M21: 19,250,553 km (0.051 R)
• M22: 21,028,374 km (0.062 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.7

Radius: 12

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.92 AU - 4.26 AU

Year: 4536 Days

Day: 9.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,984,576 km

• M1: 157,227 km (0.116 R)
• M2: 1,217,876 km (0.114 R)
• M3: 1,816,417 km (0.075 R)
• M4: 2,288,548 km (0.113 R)
• M5: 3,160,105 km (0.11 R)
• M6: 4,003,089 km (0.058 R)
• M7: 4,573,207 km (0.042 R)
• M8: 5,505,351 km (0.117 R)
• M9: 10,422,484 km (0.081 R)
• M10: 11,544,318 km (0.084 R)
• M11: 12,280,190 km (0.117 R)
• M12: 12,830,860 km (0.084 R)
• M13: 16,084,314 km (0.077 R)
• M14: 17,263,594 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.1

Radius: 3.6

Gravity: 39.44 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 7.39 AU - 10.23 AU

Year: 17438 Days

Day: 21.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 62,984,576 km

• M1: 45,777 km (0.054 R)
• M2: 167,699 km (0.104 R)
• M3: 302,636 km (0.069 R)
• M4: 733,329 km (0.092 R)
• M5: 851,212 km (0.056 R)
• M6: 1,397,095 km (0.089 R)
• M7: 1,548,338 km (0.096 R)
• M8: 2,720,288 km (0.108 R)
• M9: 2,981,336 km (0.051 R)
• M10: 3,721,097 km (0.064 R)
• M11: 4,944,958 km (0.064 R)
• M12: 5,261,357 km (0.079 R)
• M13: 6,251,396 km (0.11 R)
• M14: 6,454,999 km (0.105 R)
• M15: 6,875,668 km (0.117 R)
• M16: 7,225,128 km (0.109 R)
• M17: 9,575,012 km (0.096 R)
• M18: 10,516,431 km (0.074 R)
• M19: 10,980,035 km (0.105 R)
• M20: 12,072,698 km (0.088 R)
• M21: 14,542,708 km (0.098 R)
• M22: 14,756,633 km (0.047 R)
• M23: 15,410,974 km (0.036 R)
• M24: 19,487,815 km (0.105 R)
• M25: 20,541,732 km (0.102 R)
• M26: 20,901,366 km (0.085 R)
• M27: 22,762,513 km (0.108 R)
• M28: 23,536,981 km (0.103 R)
• M29: 27,673,811 km (0.065 R)
• M30: 29,798,250 km (0.065 R)
• M31: 30,841,396 km (0.047 R)
• M32: 31,788,949 km (0.089 R)
• M33: 33,741,949 km (0.041 R)
• M34: 35,386,479 km (0.083 R)
• M35: 39,938,592 km (0.1 R)
• M36: 43,671,807 km (0.115 R)
• M37: 51,326,880 km (0.07 R)
• M38: 52,823,756 km (0.113 R)
• M39: 55,556,012 km (0.065 R)
• M40: 56,428,915 km (0.095 R)
• M41: 62,607,756 km (0.073 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 17,003 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit