🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.5

Radius: 9.4

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.63 AU - 0.87 AU

Year: 448 Days

Day: 7.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,716,120 km

• M1: 116,836 km (0.099 R)
• M2: 429,495 km (0.073 R)
• M3: 930,200 km (0.047 R)
• M4: 1,335,161 km (0.099 R)
• M5: 1,787,994 km (0.098 R)
• M6: 2,326,247 km (0.087 R)
• M7: 2,857,319 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.2

Radius: 10.8

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.1 AU - 1.26 AU

Year: 885 Days

Day: 7.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,716,120 km

• M1: 134,339 km (0.083 R)
• M2: 506,239 km (0.103 R)
• M3: 863,329 km (0.077 R)
• M4: 1,278,763 km (0.081 R)
• M5: 1,648,868 km (0.108 R)
• M6: 2,111,873 km (0.107 R)
• M7: 2,612,577 km (0.088 R)
• M8: 2,963,085 km (0.109 R)
• M9: 3,445,837 km (0.091 R)
• M10: 3,806,817 km (0.113 R)
• M11: 4,143,412 km (0.102 R)
• M12: 4,534,910 km (0.114 R)
• M13: 5,255,822 km (0.078 R)
• M14: 5,674,546 km (0.117 R)
• M15: 6,224,019 km (0.057 R)
• M16: 6,579,464 km (0.108 R)
• M17: 8,218,608 km (0.079 R)
• M18: 8,592,902 km (0.087 R)
• M19: 9,062,789 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.4

Radius: 13.2

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.47 AU - 4.33 AU

Year: 5316 Days

Day: 13.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,716,120 km

• M1: 164,109 km (0.075 R)
• M2: 581,337 km (0.075 R)
• M3: 1,270,684 km (0.113 R)
• M4: 2,337,467 km (0.078 R)
• M5: 5,133,152 km (0.087 R)
• M6: 6,529,199 km (0.047 R)
• M7: 8,808,173 km (0.063 R)
• M8: 11,674,169 km (0.062 R)
• M9: 13,182,864 km (0.104 R)
• M10: 16,966,493 km (0.12 R)
• M11: 17,682,768 km (0.043 R)
• M12: 19,036,778 km (0.032 R)
• M13: 22,644,779 km (0.058 R)
• M14: 24,077,628 km (0.072 R)
• M15: 29,569,964 km (0.115 R)
• M16: 30,322,292 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719

Radius: 10.7

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.4 AU - 4.9 AU

Year: 6921 Days

Day: 12.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,716,120 km

• M1: 133,142 km (0.09 R)
• M2: 537,505 km (0.092 R)
• M3: 905,815 km (0.107 R)
• M4: 1,354,459 km (0.1 R)
• M5: 2,403,589 km (0.091 R)
• M6: 2,789,402 km (0.11 R)
• M7: 3,830,154 km (0.083 R)
• M8: 4,386,359 km (0.116 R)
• M9: 5,381,933 km (0.058 R)
• M10: 5,916,895 km (0.074 R)
• M11: 6,732,203 km (0.103 R)
• M12: 8,754,467 km (0.106 R)
• M13: 10,136,752 km (0.055 R)
• M14: 13,217,121 km (0.097 R)
• M15: 16,872,545 km (0.11 R)
• M16: 17,609,016 km (0.055 R)
• M17: 21,538,653 km (0.115 R)
• M18: 23,213,251 km (0.046 R)
• M19: 24,972,821 km (0.089 R)
• M20: 29,230,227 km (0.058 R)
• M21: 30,292,372 km (0.066 R)
• M22: 31,681,089 km (0.085 R)
• M23: 34,906,270 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 784.1

Radius: 8

Gravity: 12.25 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.95 AU - 7.63 AU

Year: 12213 Days

Day: 23.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,716,120 km

• M1: 99,483 km (0.077 R)
• M2: 1,104,631 km (0.059 R)
• M3: 1,368,372 km (0.102 R)
• M4: 1,690,456 km (0.062 R)
• M5: 2,044,704 km (0.117 R)
• M6: 2,812,440 km (0.074 R)
• M7: 3,983,642 km (0.037 R)
• M8: 4,366,911 km (0.12 R)
• M9: 5,071,517 km (0.086 R)
• M10: 5,593,764 km (0.057 R)
• M11: 6,786,657 km (0.081 R)
• M12: 8,048,365 km (0.102 R)
• M13: 9,408,360 km (0.116 R)
• M14: 10,089,180 km (0.075 R)
• M15: 13,861,739 km (0.036 R)
• M16: 14,196,240 km (0.069 R)
• M17: 15,374,173 km (0.117 R)
• M18: 16,317,986 km (0.083 R)
• M19: 19,050,541 km (0.117 R)
• M20: 26,617,351 km (0.076 R)
• M21: 27,869,934 km (0.092 R)
• M22: 28,834,840 km (0.115 R)
• M23: 29,161,412 km (0.108 R)
• M24: 31,516,681 km (0.072 R)
• M25: 32,329,147 km (0.078 R)
• M26: 33,634,089 km (0.069 R)
• M27: 34,482,459 km (0.092 R)
• M28: 37,888,952 km (0.079 R)
• M29: 38,280,749 km (0.118 R)
• M30: 39,072,570 km (0.083 R)
• M31: 47,903,931 km (0.099 R)
• M32: 53,596,878 km (0.05 R)
• M33: 57,117,514 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 377.2

Radius: 4.5

Gravity: 18.63 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 6.08 AU - 8.34 AU

Year: 13363 Days

Day: 19 Hours

Environment

Temp: -232 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,716,120 km

• M1: 59,989 km (0.074 R)
• M2: 289,921 km (0.068 R)
• M3: 790,924 km (0.067 R)
• M4: 1,067,830 km (0.108 R)
• M5: 1,460,674 km (0.072 R)
• M6: 1,766,900 km (0.077 R)
• M7: 1,910,814 km (0.086 R)
• M8: 3,508,220 km (0.03 R)
• M9: 4,223,148 km (0.118 R)
• M10: 5,288,285 km (0.072 R)
• M11: 8,107,307 km (0.115 R)
• M12: 12,131,490 km (0.094 R)
• M13: 13,191,091 km (0.092 R)
• M14: 17,974,633 km (0.096 R)
• M15: 19,270,300 km (0.061 R)
• M16: 20,627,153 km (0.074 R)
• M17: 21,454,279 km (0.114 R)
• M18: 23,618,512 km (0.096 R)
• M19: 31,191,156 km (0.072 R)
• M20: 38,598,495 km (0.095 R)
• M21: 40,875,075 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 807.4

Radius: 6

Gravity: 22.43 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.42 AU - 9.18 AU

Year: 16505 Days

Day: 15.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,716,120 km

• M1: 74,649 km (0.035 R)
• M2: 327,619 km (0.049 R)
• M3: 747,690 km (0.079 R)
• M4: 1,480,570 km (0.092 R)
• M5: 2,900,404 km (0.068 R)
• M6: 5,889,369 km (0.045 R)
• M7: 6,861,306 km (0.116 R)
• M8: 7,886,949 km (0.096 R)
• M9: 9,064,733 km (0.107 R)
• M10: 9,500,512 km (0.092 R)
• M11: 10,472,898 km (0.118 R)
• M12: 10,891,922 km (0.079 R)
• M13: 17,487,243 km (0.041 R)
• M14: 18,592,921 km (0.072 R)
• M15: 20,199,752 km (0.108 R)
• M16: 23,686,878 km (0.115 R)
• M17: 28,009,509 km (0.066 R)
• M18: 33,726,840 km (0.065 R)
• M19: 44,382,547 km (0.118 R)
• M20: 48,874,223 km (0.11 R)
• M21: 54,190,333 km (0.068 R)
• M22: 64,348,028 km (0.098 R)
• M23: 67,174,231 km (0.09 R)
• M24: 69,243,020 km (0.071 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: 152 - 10,549 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit