🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180

Radius: 8.9

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.7 AU - 0.84 AU

Year: 436 Days

Day: 8.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,528,177 km

• M1: 111,002 km (0.098 R)
• M2: 472,580 km (0.092 R)
• M3: 945,010 km (0.074 R)
• M4: 1,292,825 km (0.102 R)
• M5: 1,669,063 km (0.064 R)
• M6: 2,671,220 km (0.103 R)
• M7: 3,178,955 km (0.076 R)
• M8: 3,534,549 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.1

Radius: 12.2

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.05 AU - 1.33 AU

Year: 838 Days

Day: 10.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,528,177 km

• M1: 152,440 km (0.117 R)
• M2: 717,023 km (0.08 R)
• M3: 1,101,489 km (0.116 R)
• M4: 1,557,015 km (0.113 R)
• M5: 2,011,493 km (0.109 R)
• M6: 2,476,294 km (0.117 R)
• M7: 2,887,089 km (0.052 R)
• M8: 3,316,136 km (0.094 R)
• M9: 3,986,035 km (0.109 R)
• M10: 5,537,814 km (0.115 R)
• M11: 7,154,817 km (0.077 R)
• M12: 9,176,184 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363

Radius: 10.2

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.02 AU - 2.4 AU

Year: 2121 Days

Day: 7.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,528,177 km

• M1: 126,859 km (0.113 R)
• M2: 470,635 km (0.105 R)
• M3: 836,252 km (0.075 R)
• M4: 1,546,094 km (0.083 R)
• M5: 2,279,423 km (0.118 R)
• M6: 2,725,673 km (0.092 R)
• M7: 3,064,812 km (0.116 R)
• M8: 3,448,231 km (0.116 R)
• M9: 3,968,233 km (0.107 R)
• M10: 4,656,683 km (0.098 R)
• M11: 5,060,896 km (0.1 R)
• M12: 6,416,402 km (0.11 R)
• M13: 7,746,926 km (0.034 R)
• M14: 8,286,974 km (0.078 R)
• M15: 9,698,879 km (0.118 R)
• M16: 10,394,060 km (0.041 R)
• M17: 10,945,927 km (0.116 R)
• M18: 11,626,298 km (0.12 R)
• M19: 13,673,993 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.5

Radius: 10.4

Gravity: 9.07 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.11 AU - 3.53 AU

Year: 3906 Days

Day: 5.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,528,177 km

• M1: 129,701 km (0.043 R)
• M2: 511,924 km (0.115 R)
• M3: 912,996 km (0.104 R)
• M4: 1,927,269 km (0.114 R)
• M5: 2,713,107 km (0.12 R)
• M6: 3,327,206 km (0.111 R)
• M7: 5,882,188 km (0.066 R)
• M8: 6,492,697 km (0.052 R)
• M9: 8,020,839 km (0.092 R)
• M10: 8,927,552 km (0.108 R)
• M11: 11,679,405 km (0.104 R)
• M12: 12,496,209 km (0.034 R)
• M13: 14,136,251 km (0.071 R)
• M14: 14,676,897 km (0.09 R)
• M15: 18,727,260 km (0.079 R)
• M16: 21,077,442 km (0.103 R)
• M17: 22,287,091 km (0.108 R)
• M18: 28,435,862 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.4

Radius: 12.8

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4 AU - 5.2 AU

Year: 6370 Days

Day: 10.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,528,177 km

• M1: 159,172 km (0.098 R)
• M2: 737,518 km (0.116 R)
• M3: 1,296,565 km (0.087 R)
• M4: 1,860,848 km (0.069 R)
• M5: 2,467,467 km (0.114 R)
• M6: 3,064,512 km (0.069 R)
• M7: 3,579,727 km (0.057 R)
• M8: 3,986,185 km (0.104 R)
• M9: 5,224,706 km (0.108 R)
• M10: 6,247,057 km (0.072 R)
• M11: 8,606,964 km (0.077 R)
• M12: 9,553,918 km (0.074 R)
• M13: 11,557,632 km (0.117 R)
• M14: 15,596,176 km (0.102 R)
• M15: 16,814,352 km (0.106 R)
• M16: 17,446,702 km (0.03 R)
• M17: 19,995,700 km (0.046 R)
• M18: 20,491,019 km (0.109 R)
• M19: 24,672,429 km (0.034 R)
• M20: 25,904,816 km (0.064 R)
• M21: 27,263,913 km (0.103 R)
• M22: 29,939,919 km (0.119 R)
• M23: 31,914,163 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.8

Radius: 10.6

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.21 AU - 5.55 AU

Year: 8057 Days

Day: 10.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,528,177 km

• M1: 135,835 km (0.113 R)
• M2: 470,336 km (0.081 R)
• M3: 931,546 km (0.073 R)
• M4: 2,259,676 km (0.097 R)
• M5: 4,424,357 km (0.041 R)
• M6: 5,450,598 km (0.085 R)
• M7: 7,033,942 km (0.102 R)
• M8: 7,746,178 km (0.099 R)
• M9: 10,262,115 km (0.103 R)
• M10: 11,656,367 km (0.051 R)
• M11: 20,781,388 km (0.083 R)
• M12: 23,855,325 km (0.12 R)
• M13: 27,049,090 km (0.101 R)
• M14: 28,438,106 km (0.094 R)
• M15: 29,692,036 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.9

Radius: 11.5

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 4.58 AU - 7.38 AU

Year: 9442 Days

Day: 5.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,528,177 km

• M1: 145,409 km (0.098 R)
• M2: 1,143,825 km (0.087 R)
• M3: 2,443,532 km (0.094 R)
• M4: 5,973,443 km (0.072 R)
• M5: 6,731,455 km (0.12 R)
• M6: 7,360,365 km (0.085 R)
• M7: 10,467,662 km (0.078 R)
• M8: 10,909,275 km (0.099 R)
• M9: 16,038,238 km (0.098 R)
• M10: 17,228,289 km (0.069 R)
• M11: 32,647,342 km (0.099 R)
• M12: 34,446,855 km (0.079 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: 432 - 11,307 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit