🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.3

Radius: 11

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.81 AU - 1.13 AU

Year: 617 Days

Day: 7.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,628,097 km

• M1: 136,882 km (0.097 R)
• M2: 520,301 km (0.108 R)
• M3: 930,200 km (0.112 R)
• M4: 1,338,452 km (0.093 R)
• M5: 1,844,991 km (0.111 R)
• M6: 2,206,569 km (0.061 R)
• M7: 2,673,015 km (0.105 R)
• M8: 3,292,500 km (0.093 R)
• M9: 3,720,649 km (0.053 R)
• M10: 4,412,539 km (0.108 R)
• M11: 5,172,945 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.7

Radius: 12.4

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.13 AU - 1.27 AU

Year: 849 Days

Day: 7.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,628,097 km

• M1: 154,235 km (0.075 R)
• M2: 547,229 km (0.118 R)
• M3: 932,892 km (0.088 R)
• M4: 1,376,300 km (0.09 R)
• M5: 1,862,344 km (0.094 R)
• M6: 2,422,738 km (0.081 R)
• M7: 3,335,883 km (0.097 R)
• M8: 4,938,375 km (0.092 R)
• M9: 5,928,414 km (0.063 R)
• M10: 6,480,729 km (0.063 R)
• M11: 7,004,920 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.6

Radius: 14.8

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.59 AU - 2.29 AU

Year: 1745 Days

Day: 12.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,628,097 km

• M1: 184,005 km (0.084 R)
• M2: 659,577 km (0.114 R)
• M3: 1,186,760 km (0.089 R)
• M4: 1,651,411 km (0.106 R)
• M5: 2,556,777 km (0.028 R)
• M6: 3,340,670 km (0.088 R)
• M7: 4,333,701 km (0.047 R)
• M8: 5,707,308 km (0.096 R)
• M9: 6,566,000 km (0.042 R)
• M10: 7,252,654 km (0.09 R)
• M11: 7,932,876 km (0.104 R)
• M12: 8,513,166 km (0.117 R)
• M13: 11,958,405 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.4

Radius: 13.9

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.26 AU - 2.62 AU

Year: 2461 Days

Day: 10.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 112.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,628,097 km

• M1: 172,935 km (0.101 R)
• M2: 718,070 km (0.115 R)
• M3: 1,786,947 km (0.06 R)
• M4: 2,350,033 km (0.035 R)
• M5: 3,143,201 km (0.102 R)
• M6: 3,675,320 km (0.099 R)
• M7: 4,247,383 km (0.072 R)
• M8: 4,747,488 km (0.114 R)
• M9: 5,357,100 km (0.034 R)
• M10: 5,993,339 km (0.086 R)
• M11: 6,543,560 km (0.086 R)
• M12: 8,757,160 km (0.085 R)
• M13: 9,537,014 km (0.101 R)
• M14: 10,399,894 km (0.101 R)
• M15: 11,750,614 km (0.074 R)
• M16: 13,611,013 km (0.119 R)
• M17: 14,150,911 km (0.079 R)
• M18: 15,130,179 km (0.085 R)
• M19: 16,104,211 km (0.032 R)
• M20: 17,223,652 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.5

Radius: 9.4

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.34 AU - 3.14 AU

Year: 2928 Days

Day: 10.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,628,097 km

• M1: 117,734 km (0.119 R)
• M2: 440,267 km (0.09 R)
• M3: 786,286 km (0.089 R)
• M4: 1,158,935 km (0.086 R)
• M5: 1,485,656 km (0.071 R)
• M6: 1,893,909 km (0.043 R)
• M7: 2,628,285 km (0.091 R)
• M8: 3,361,165 km (0.04 R)
• M9: 5,129,561 km (0.072 R)
• M10: 5,575,662 km (0.038 R)
• M11: 5,938,138 km (0.118 R)
• M12: 8,564,777 km (0.102 R)
• M13: 9,135,344 km (0.1 R)
• M14: 9,549,730 km (0.054 R)
• M15: 10,320,907 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.7

Radius: 8.1

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.28 AU - 3.32 AU

Year: 3025 Days

Day: 8.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,628,097 km

• M1: 100,679 km (0.078 R)
• M2: 622,626 km (0.111 R)
• M3: 902,075 km (0.06 R)
• M4: 1,497,175 km (0.093 R)
• M5: 1,921,884 km (0.116 R)
• M6: 2,185,176 km (0.118 R)
• M7: 2,708,021 km (0.086 R)
• M8: 6,056,470 km (0.1 R)
• M9: 6,534,285 km (0.107 R)
• M10: 9,976,682 km (0.089 R)
• M11: 10,708,365 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.1

Radius: 13.3

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.97 AU - 4.65 AU

Year: 5777 Days

Day: 12.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,628,097 km

• M1: 230,530 km (0.102 R)
• M2: 917,633 km (0.06 R)
• M3: 1,400,834 km (0.078 R)
• M4: 2,026,453 km (0.11 R)
• M5: 2,722,382 km (0.101 R)
• M6: 3,640,315 km (0.106 R)
• M7: 6,313,928 km (0.099 R)
• M8: 7,765,625 km (0.061 R)
• M9: 8,754,019 km (0.102 R)
• M10: 9,343,285 km (0.086 R)
• M11: 10,932,912 km (0.047 R)
• M12: 11,418,506 km (0.058 R)
• M13: 12,749,179 km (0.082 R)
• M14: 14,700,534 km (0.066 R)
• M15: 17,558,452 km (0.094 R)
• M16: 19,258,183 km (0.107 R)
• M17: 21,590,563 km (0.117 R)
• M18: 25,433,882 km (0.097 R)
• M19: 28,054,986 km (0.12 R)
• M20: 28,967,234 km (0.109 R)
• M21: 32,815,639 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 897.4

Radius: 5.8

Gravity: 26.68 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 6.52 AU - 6.66 AU

Year: 10923 Days

Day: 20.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 55,628,097 km

• M1: 72,256 km (0.088 R)
• M2: 274,961 km (0.111 R)
• M3: 503,397 km (0.117 R)
• M4: 704,905 km (0.096 R)
• M5: 1,048,531 km (0.064 R)
• M6: 1,808,638 km (0.111 R)
• M7: 2,955,156 km (0.112 R)
• M8: 3,901,064 km (0.099 R)
• M9: 4,306,923 km (0.056 R)
• M10: 4,520,100 km (0.056 R)
• M11: 5,168,457 km (0.106 R)
• M12: 7,441,746 km (0.031 R)
• M13: 8,868,910 km (0.11 R)
• M14: 9,416,438 km (0.08 R)
• M15: 9,986,256 km (0.042 R)
• M16: 13,121,379 km (0.119 R)
• M17: 14,364,388 km (0.074 R)
• M18: 15,899,561 km (0.12 R)
• M19: 16,336,387 km (0.103 R)
• M20: 16,557,792 km (0.109 R)
• M21: 17,850,766 km (0.104 R)
• M22: 20,209,326 km (0.075 R)
• M23: 22,041,601 km (0.118 R)
• M24: 22,676,195 km (0.087 R)
• M25: 23,792,195 km (0.115 R)
• M26: 25,932,492 km (0.079 R)
• M27: 29,706,397 km (0.087 R)
• M28: 30,592,017 km (0.083 R)
• M29: 33,591,903 km (0.078 R)
• M30: 39,369,522 km (0.081 R)
• M31: 51,406,466 km (0.045 R)
• M32: 52,521,120 km (0.094 R)
• M33: 53,327,303 km (0.107 R)
• M34: 55,129,658 km (0.101 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 14,874 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit