🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.5

Radius: 14.4

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.59 AU - 0.87 AU

Year: 397 Days

Day: 12.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,343,540 km

• M1: 179,069 km (0.091 R)
• M2: 645,365 km (0.101 R)
• M3: 1,258,716 km (0.077 R)
• M4: 1,722,320 km (0.096 R)
• M5: 3,169,829 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.3

Radius: 14.2

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.87 AU - 1.17 AU

Year: 655 Days

Day: 8.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,343,540 km

• M1: 176,675 km (0.097 R)
• M2: 621,729 km (0.119 R)
• M3: 1,123,480 km (0.057 R)
• M4: 1,571,226 km (0.117 R)
• M5: 2,078,812 km (0.07 R)
• M6: 2,580,264 km (0.12 R)
• M7: 3,235,802 km (0.11 R)
• M8: 3,683,698 km (0.073 R)
• M9: 4,426,900 km (0.071 R)
• M10: 5,048,330 km (0.06 R)
• M11: 6,233,145 km (0.119 R)
• M12: 7,248,466 km (0.033 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.6

Radius: 10.3

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.12 AU - 1.5 AU

Year: 953 Days

Day: 12.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,343,540 km

• M1: 128,056 km (0.1 R)
• M2: 451,935 km (0.073 R)
• M3: 838,945 km (0.119 R)
• M4: 2,377,260 km (0.105 R)
• M5: 3,017,688 km (0.106 R)
• M6: 4,741,953 km (0.119 R)
• M7: 5,269,136 km (0.102 R)
• M8: 7,849,849 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.4

Radius: 9.8

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.44 AU - 2.34 AU

Year: 1652 Days

Day: 8.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,343,540 km

• M1: 121,922 km (0.111 R)
• M2: 457,321 km (0.118 R)
• M3: 857,046 km (0.067 R)
• M4: 1,337,704 km (0.111 R)
• M5: 1,843,943 km (0.115 R)
• M6: 2,669,424 km (0.095 R)
• M7: 3,541,879 km (0.092 R)
• M8: 4,053,205 km (0.113 R)
• M9: 4,402,067 km (0.078 R)
• M10: 4,711,286 km (0.08 R)
• M11: 5,035,165 km (0.041 R)
• M12: 6,168,369 km (0.1 R)
• M13: 7,709,975 km (0.097 R)
• M14: 9,085,677 km (0.108 R)
• M15: 10,965,374 km (0.044 R)
• M16: 11,536,689 km (0.105 R)
• M17: 12,052,652 km (0.115 R)
• M18: 12,392,388 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.5

Radius: 9.7

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.9 AU - 2.66 AU

Year: 2189 Days

Day: 8.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,343,540 km

• M1: 120,725 km (0.113 R)
• M2: 428,598 km (0.097 R)
• M3: 762,351 km (0.047 R)
• M4: 1,065,885 km (0.058 R)
• M5: 1,644,978 km (0.057 R)
• M6: 2,489,159 km (0.073 R)
• M7: 2,993,005 km (0.078 R)
• M8: 4,647,258 km (0.063 R)
• M9: 4,987,743 km (0.094 R)
• M10: 5,367,721 km (0.094 R)
• M11: 5,695,041 km (0.082 R)
• M12: 6,572,283 km (0.093 R)
• M13: 7,451,021 km (0.093 R)
• M14: 9,273,572 km (0.094 R)
• M15: 9,884,231 km (0.119 R)
• M16: 10,377,604 km (0.106 R)
• M17: 12,476,762 km (0.086 R)
• M18: 13,907,516 km (0.119 R)
• M19: 14,981,329 km (0.081 R)
• M20: 15,727,374 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.5

Radius: 9.1

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.98 AU - 2.72 AU

Year: 2291 Days

Day: 11.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,343,540 km

• M1: 113,096 km (0.103 R)
• M2: 423,512 km (0.08 R)
• M3: 998,865 km (0.111 R)
• M4: 1,297,911 km (0.082 R)
• M5: 1,834,818 km (0.053 R)
• M6: 2,167,524 km (0.102 R)
• M7: 3,450,475 km (0.106 R)
• M8: 3,851,996 km (0.082 R)
• M9: 4,168,545 km (0.106 R)
• M10: 4,522,792 km (0.062 R)
• M11: 5,827,136 km (0.092 R)
• M12: 7,680,654 km (0.08 R)
• M13: 8,804,882 km (0.12 R)
• M14: 10,035,324 km (0.1 R)
• M15: 10,601,552 km (0.094 R)
• M16: 12,589,558 km (0.105 R)
• M17: 15,735,751 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.5

Radius: 9.4

Gravity: 10.2 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.63 AU - 3.13 AU

Year: 3108 Days

Day: 12.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,343,540 km

• M1: 116,986 km (0.078 R)
• M2: 436,227 km (0.088 R)
• M3: 940,223 km (0.073 R)
• M4: 1,254,528 km (0.104 R)
• M5: 1,572,573 km (0.067 R)
• M6: 2,244,566 km (0.086 R)
• M7: 2,638,757 km (0.077 R)
• M8: 3,043,269 km (0.057 R)
• M9: 4,216,865 km (0.097 R)
• M10: 4,534,910 km (0.096 R)
• M11: 5,587,331 km (0.062 R)
• M12: 10,274,980 km (0.051 R)
• M13: 14,079,104 km (0.089 R)
• M14: 16,684,202 km (0.116 R)
• M15: 17,717,025 km (0.09 R)
• M16: 18,189,456 km (0.059 R)
• M17: 23,387,084 km (0.095 R)

Asteroid Belt

Center: 4.18 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606

Radius: 12.7

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.15 AU - 5.79 AU

Year: 8134 Days

Day: 9.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,343,540 km

• M1: 157,975 km (0.086 R)
• M2: 560,394 km (0.074 R)
• M3: 1,034,619 km (0.107 R)
• M4: 1,929,663 km (0.107 R)
• M5: 2,366,788 km (0.086 R)
• M6: 3,377,770 km (0.084 R)
• M7: 3,895,229 km (0.096 R)
• M8: 4,972,633 km (0.08 R)
• M9: 5,871,268 km (0.111 R)
• M10: 6,481,777 km (0.081 R)
• M11: 7,361,262 km (0.118 R)
• M12: 8,613,247 km (0.105 R)
• M13: 9,493,331 km (0.103 R)
• M14: 10,049,536 km (0.111 R)
• M15: 11,075,478 km (0.038 R)
• M16: 12,009,268 km (0.032 R)
• M17: 12,605,266 km (0.085 R)
• M18: 13,681,473 km (0.105 R)
• M19: 15,002,871 km (0.088 R)
• M20: 16,805,526 km (0.056 R)
• M21: 17,898,338 km (0.107 R)
• M22: 18,676,696 km (0.086 R)
• M23: 19,330,289 km (0.094 R)
• M24: 21,698,722 km (0.076 R)
• M25: 24,598,527 km (0.109 R)
• M26: 26,821,851 km (0.092 R)
• M27: 28,408,187 km (0.09 R)
• M28: 31,156,150 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 16.7

Radius: 6.7

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.44 AU - 7 AU

Year: 9863 Days

Day: 24.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,343,540 km

• M1: 289,621 km (0.073 R)
• M2: 665,262 km (0.066 R)
• M3: 1,026,690 km (0.091 R)
• M4: 1,347,428 km (0.115 R)
• M5: 2,631,726 km (0.108 R)
• M6: 2,923,292 km (0.05 R)
• M7: 4,778,455 km (0.04 R)
• M8: 9,798,361 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698.7

Radius: 7.2

Gravity: 13.48 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.04 AU - 7.84 AU

Year: 11624 Days

Day: 17.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,343,540 km

• M1: 99,931 km (0.044 R)
• M2: 337,642 km (0.112 R)
• M3: 816,505 km (0.068 R)
• M4: 1,429,108 km (0.1 R)
• M5: 1,802,056 km (0.1 R)
• M6: 2,182,633 km (0.106 R)
• M7: 3,128,540 km (0.111 R)
• M8: 3,549,209 km (0.117 R)
• M9: 3,951,029 km (0.116 R)
• M10: 4,750,780 km (0.119 R)
• M11: 6,431,811 km (0.095 R)
• M12: 6,947,924 km (0.067 R)
• M13: 8,062,727 km (0.025 R)
• M14: 11,650,084 km (0.045 R)
• M15: 13,279,055 km (0.119 R)
• M16: 17,584,033 km (0.1 R)
• M17: 20,891,492 km (0.097 R)
• M18: 21,494,820 km (0.065 R)
• M19: 22,646,126 km (0.1 R)
• M20: 25,264,238 km (0.075 R)
• M21: 25,556,253 km (0.104 R)
• M22: 28,601,019 km (0.04 R)
• M23: 28,918,166 km (0.104 R)
• M24: 29,559,642 km (0.11 R)
• M25: 31,653,413 km (0.046 R)
• M26: 34,198,971 km (0.118 R)
• M27: 37,002,734 km (0.115 R)
• M28: 39,693,401 km (0.062 R)
• M29: 40,352,679 km (0.076 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 10,386 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit