🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.4

Radius: 9.1

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.61 AU - 0.69 AU

Year: 349 Days

Day: 5.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,807,784 km

• M1: 113,246 km (0.08 R)
• M2: 460,462 km (0.107 R)
• M3: 919,728 km (0.113 R)
• M4: 1,375,253 km (0.112 R)
• M5: 2,042,310 km (0.103 R)
• M6: 2,470,758 km (0.067 R)
• M7: 2,844,753 km (0.064 R)
• M8: 3,154,720 km (0.12 R)
• M9: 3,763,583 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.9

Radius: 14.1

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.59 AU - 0.85 AU

Year: 407 Days

Day: 8.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,807,784 km

• M1: 175,329 km (0.077 R)
• M2: 703,409 km (0.108 R)
• M3: 1,146,219 km (0.037 R)
• M4: 1,757,476 km (0.036 R)
• M5: 2,307,547 km (0.116 R)
• M6: 3,033,994 km (0.032 R)
• M7: 3,537,990 km (0.11 R)
• M8: 4,293,309 km (0.115 R)
• M9: 4,975,924 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.3

Radius: 12.7

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.97 AU - 1.37 AU

Year: 844 Days

Day: 5.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,807,784 km

• M1: 157,975 km (0.101 R)
• M2: 705,653 km (0.047 R)
• M3: 1,107,922 km (0.098 R)
• M4: 1,763,310 km (0.085 R)
• M5: 2,262,668 km (0.049 R)
• M6: 2,772,049 km (0.103 R)
• M7: 3,171,026 km (0.108 R)
• M8: 3,651,684 km (0.111 R)
• M9: 5,098,295 km (0.033 R)
• M10: 5,761,612 km (0.096 R)
• M11: 6,396,655 km (0.102 R)
• M12: 7,307,706 km (0.082 R)
• M13: 7,758,295 km (0.08 R)
• M14: 8,379,725 km (0.066 R)
• M15: 9,250,534 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.1

Radius: 9.2

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.36 AU - 2.7 AU

Year: 2684 Days

Day: 11.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,807,784 km

• M1: 116,836 km (0.102 R)
• M2: 471,682 km (0.115 R)
• M3: 1,094,608 km (0.114 R)
• M4: 1,716,636 km (0.039 R)
• M5: 2,278,376 km (0.089 R)
• M6: 3,508,519 km (0.094 R)
• M7: 3,884,010 km (0.083 R)
• M8: 4,286,428 km (0.054 R)
• M9: 4,735,670 km (0.099 R)
• M10: 5,072,714 km (0.073 R)
• M11: 5,404,522 km (0.087 R)
• M12: 9,079,992 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.1

Radius: 11.5

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.87 AU - 3.15 AU

Year: 3482 Days

Day: 11 Hours

Environment

Temp: -212 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,807,784 km

• M1: 143,764 km (0.113 R)
• M2: 504,893 km (0.101 R)
• M3: 892,501 km (0.095 R)
• M4: 1,415,345 km (0.111 R)
• M5: 1,949,709 km (0.106 R)
• M6: 2,505,465 km (0.079 R)
• M7: 2,915,812 km (0.069 R)
• M8: 3,566,114 km (0.119 R)
• M9: 4,757,362 km (0.029 R)
• M10: 5,156,938 km (0.106 R)
• M11: 6,343,548 km (0.12 R)
• M12: 6,736,093 km (0.108 R)
• M13: 8,012,013 km (0.112 R)
• M14: 9,174,239 km (0.119 R)
• M15: 9,559,603 km (0.105 R)
• M16: 9,955,738 km (0.089 R)
• M17: 10,445,671 km (0.079 R)
• M18: 13,830,772 km (0.103 R)
• M19: 14,235,733 km (0.076 R)
• M20: 15,825,809 km (0.112 R)
• M21: 17,064,779 km (0.102 R)
• M22: 17,472,283 km (0.117 R)
• M23: 18,550,136 km (0.07 R)
• M24: 19,735,250 km (0.117 R)
• M25: 21,981,163 km (0.114 R)
• M26: 22,603,041 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.7

Radius: 10.9

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.61 AU - 4.35 AU

Year: 5295 Days

Day: 11.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,807,784 km

• M1: 138,976 km (0.104 R)
• M2: 713,283 km (0.082 R)
• M3: 1,251,835 km (0.103 R)
• M4: 1,764,656 km (0.063 R)
• M5: 2,120,101 km (0.066 R)
• M6: 2,653,268 km (0.078 R)
• M7: 3,236,251 km (0.113 R)
• M8: 3,609,647 km (0.104 R)
• M9: 5,509,989 km (0.073 R)
• M10: 6,896,911 km (0.111 R)
• M11: 9,375,448 km (0.077 R)
• M12: 11,295,986 km (0.1 R)
• M13: 13,217,421 km (0.093 R)
• M14: 14,490,798 km (0.079 R)
• M15: 19,561,866 km (0.064 R)
• M16: 22,457,932 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 338.5

Radius: 5.2

Gravity: 12.52 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 5.15 AU - 8.55 AU

Year: 11955 Days

Day: 18.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,807,784 km

• M1: 64,776 km (0.07 R)
• M2: 313,258 km (0.096 R)
• M3: 512,373 km (0.12 R)
• M4: 1,147,864 km (0.102 R)
• M5: 1,987,707 km (0.069 R)
• M6: 5,079,147 km (0.099 R)
• M7: 5,328,826 km (0.06 R)
• M8: 6,374,365 km (0.037 R)
• M9: 9,739,270 km (0.092 R)
• M10: 11,448,725 km (0.11 R)
• M11: 12,262,986 km (0.038 R)
• M12: 12,826,671 km (0.063 R)
• M13: 13,585,282 km (0.083 R)
• M14: 15,644,347 km (0.081 R)
• M15: 19,072,083 km (0.099 R)
• M16: 19,372,176 km (0.08 R)
• M17: 20,136,173 km (0.036 R)
• M18: 24,968,184 km (0.054 R)
• M19: 25,964,206 km (0.09 R)
• M20: 27,746,515 km (0.11 R)
• M21: 28,618,521 km (0.109 R)
• M22: 30,827,035 km (0.078 R)
• M23: 32,183,888 km (0.073 R)
• M24: 33,471,476 km (0.086 R)
• M25: 34,570,273 km (0.11 R)
• M26: 37,422,057 km (0.059 R)
• M27: 39,569,983 km (0.084 R)
• M28: 41,421,406 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 775.9

Radius: 6.5

Gravity: 18.36 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 6.35 AU - 8.19 AU

Year: 13072 Days

Day: 15.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,807,784 km

• M1: 80,932 km (0.069 R)
• M2: 2,772,348 km (0.045 R)
• M3: 3,511,660 km (0.07 R)
• M4: 4,313,804 km (0.102 R)
• M5: 4,991,183 km (0.088 R)
• M6: 5,197,180 km (0.092 R)
• M7: 5,849,576 km (0.081 R)
• M8: 6,156,401 km (0.108 R)
• M9: 6,760,926 km (0.115 R)
• M10: 7,404,197 km (0.049 R)
• M11: 11,540,279 km (0.088 R)
• M12: 13,290,873 km (0.075 R)
• M13: 18,837,962 km (0.119 R)
• M14: 22,625,930 km (0.099 R)
• M15: 24,549,160 km (0.11 R)
• M16: 30,054,511 km (0.117 R)
• M17: 30,853,214 km (0.058 R)
• M18: 32,374,026 km (0.107 R)
• M19: 33,334,295 km (0.072 R)
• M20: 33,577,392 km (0.075 R)
• M21: 36,329,245 km (0.069 R)
• M22: 45,779,192 km (0.092 R)
• M23: 49,470,370 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 24.3

Radius: 8

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 7.17 AU - 8.79 AU

Year: 15033 Days

Day: 20.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,807,784 km

• M1: 99,483 km (0.111 R)
• M2: 465,249 km (0.039 R)
• M3: 900,729 km (0.089 R)
• M4: 1,264,102 km (0.079 R)
• M5: 1,948,961 km (0.071 R)
• M6: 2,460,586 km (0.111 R)
• M7: 2,827,849 km (0.066 R)
• M8: 3,374,330 km (0.118 R)
• M9: 5,096,949 km (0.108 R)
• M10: 6,856,370 km (0.116 R)
• M11: 9,453,089 km (0.079 R)
• M12: 12,865,267 km (0.097 R)
• M13: 16,537,297 km (0.096 R)
• M14: 18,297,016 km (0.099 R)
• M15: 18,582,898 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.3

Radius: 4.8

Gravity: 34.56 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 7.52 AU - 11.98 AU

Year: 20302 Days

Day: 19.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 80,807,784 km

• M1: 66,571 km (0.068 R)
• M2: 372,200 km (0.069 R)
• M3: 631,153 km (0.11 R)
• M4: 1,775,876 km (0.114 R)
• M5: 1,968,558 km (0.097 R)
• M6: 3,462,742 km (0.101 R)
• M7: 4,739,859 km (0.11 R)
• M8: 6,706,323 km (0.115 R)
• M9: 8,604,720 km (0.079 R)
• M10: 9,271,777 km (0.056 R)
• M11: 11,545,066 km (0.082 R)
• M12: 16,559,437 km (0.115 R)
• M13: 16,728,183 km (0.083 R)
• M14: 17,414,239 km (0.099 R)
• M15: 18,297,914 km (0.103 R)
• M16: 19,304,259 km (0.069 R)
• M17: 22,337,655 km (0.1 R)
• M18: 23,592,482 km (0.08 R)
• M19: 24,128,940 km (0.12 R)
• M20: 24,563,821 km (0.109 R)
• M21: 25,786,933 km (0.106 R)
• M22: 27,637,758 km (0.113 R)
• M23: 28,838,430 km (0.118 R)
• M24: 33,448,588 km (0.108 R)
• M25: 42,339,937 km (0.113 R)
• M26: 53,049,350 km (0.092 R)
• M27: 53,600,169 km (0.114 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 16,298 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit