🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.6

Radius: 13.6

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.65 AU - 0.75 AU

Year: 391 Days

Day: 12.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 15,579,866 km

• M1: 171,439 km (0.03 R)
• M2: 605,273 km (0.08 R)
• M3: 1,070,074 km (0.074 R)
• M4: 1,494,034 km (0.1 R)
• M5: 2,114,117 km (0.094 R)
• M6: 2,664,338 km (0.081 R)
• M7: 3,198,851 km (0.06 R)
• M8: 3,841,973 km (0.086 R)
• M9: 4,403,713 km (0.049 R)
• M10: 5,050,125 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.5

Radius: 8.5

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.67 AU - 0.97 AU

Year: 495 Days

Day: 14.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 15,579,866 km

• M1: 105,766 km (0.114 R)
• M2: 502,200 km (0.102 R)
• M3: 767,138 km (0.03 R)
• M4: 1,270,535 km (0.074 R)
• M5: 1,547,440 km (0.103 R)
• M6: 2,074,623 km (0.069 R)
• M7: 2,366,339 km (0.057 R)
• M8: 2,633,671 km (0.066 R)
• M9: 2,899,506 km (0.089 R)
• M10: 3,510,464 km (0.082 R)
• M11: 4,406,405 km (0.109 R)
• M12: 4,987,294 km (0.103 R)
• M13: 5,312,968 km (0.074 R)
• M14: 5,775,226 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.6

Radius: 14.2

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.24 AU - 1.62 AU

Year: 1140 Days

Day: 8.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 15,579,866 km

• M1: 176,525 km (0.053 R)
• M2: 649,704 km (0.093 R)
• M3: 1,103,583 km (0.09 R)
• M4: 1,609,523 km (0.107 R)
• M5: 2,075,970 km (0.069 R)
• M6: 3,167,735 km (0.112 R)
• M7: 3,820,131 km (0.084 R)
• M8: 4,560,940 km (0.101 R)
• M9: 5,396,145 km (0.087 R)
• M10: 6,441,385 km (0.102 R)
• M11: 7,130,882 km (0.12 R)
• M12: 7,667,489 km (0.083 R)
• M13: 9,072,064 km (0.118 R)
• M14: 9,673,746 km (0.081 R)
• M15: 10,363,392 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.8

Radius: 9.3

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.3 AU - 2.54 AU

Year: 2510 Days

Day: 7.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 15,579,866 km

• M1: 115,639 km (0.115 R)
• M2: 544,087 km (0.098 R)
• M3: 1,071,270 km (0.101 R)
• M4: 1,368,222 km (0.114 R)
• M5: 1,680,134 km (0.102 R)
• M6: 1,970,802 km (0.103 R)
• M7: 2,333,577 km (0.028 R)
• M8: 2,886,940 km (0.109 R)
• M9: 4,045,126 km (0.092 R)
• M10: 4,353,148 km (0.094 R)
• M11: 5,237,421 km (0.048 R)
• M12: 5,604,235 km (0.079 R)
• M13: 5,939,185 km (0.111 R)
• M14: 6,970,662 km (0.106 R)
• M15: 7,302,321 km (0.045 R)
• M16: 7,673,473 km (0.081 R)
• M17: 8,147,698 km (0.071 R)
• M18: 9,452,042 km (0.113 R)
• M19: 10,562,956 km (0.069 R)
• M20: 13,718,125 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.9

Radius: 8.4

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.3 AU - 3.18 AU

Year: 3025 Days

Day: 8.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 15,579,866 km

• M1: 104,569 km (0.056 R)
• M2: 595,998 km (0.03 R)
• M3: 948,899 km (0.109 R)
• M4: 1,314,816 km (0.06 R)
• M5: 2,046,499 km (0.082 R)
• M6: 5,450,898 km (0.062 R)
• M7: 6,127,828 km (0.086 R)
• M8: 7,220,491 km (0.048 R)
• M9: 7,648,490 km (0.101 R)
• M10: 7,924,349 km (0.038 R)
• M11: 8,584,524 km (0.05 R)
• M12: 9,003,847 km (0.106 R)
• M13: 9,311,869 km (0.061 R)
• M14: 10,648,526 km (0.091 R)
• M15: 12,034,550 km (0.064 R)
• M16: 12,484,242 km (0.106 R)

Asteroid Belt

Center: 3.09 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.2

Radius: 11

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.66 AU - 4.22 AU

Year: 4255 Days

Day: 7.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 15,579,866 km

• M1: 136,882 km (0.048 R)
• M2: 581,038 km (0.114 R)
• M3: 1,021,753 km (0.047 R)
• M4: 1,551,928 km (0.118 R)
• M5: 2,064,899 km (0.083 R)
• M6: 2,484,521 km (0.076 R)
• M7: 3,456,160 km (0.113 R)
• M8: 4,899,330 km (0.101 R)
• M9: 6,354,469 km (0.032 R)
• M10: 8,731,280 km (0.098 R)
• M11: 9,171,546 km (0.102 R)
• M12: 10,010,192 km (0.097 R)
• M13: 11,888,393 km (0.085 R)
• M14: 13,990,842 km (0.103 R)
• M15: 14,931,363 km (0.099 R)
• M16: 16,938,069 km (0.074 R)
• M17: 18,919,044 km (0.066 R)
• M18: 19,794,192 km (0.091 R)
• M19: 20,276,346 km (0.111 R)
• M20: 22,881,294 km (0.04 R)
• M21: 23,336,221 km (0.078 R)
• M22: 24,499,793 km (0.074 R)
• M23: 29,276,004 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.6

Radius: 14.3

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.16 AU - 3.78 AU

Year: 4310 Days

Day: 9.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,579,866 km

• M1: 212,429 km (0.062 R)
• M2: 741,407 km (0.06 R)
• M3: 1,525,898 km (0.118 R)
• M4: 2,470,908 km (0.108 R)
• M5: 3,622,512 km (0.094 R)
• M6: 6,806,404 km (0.112 R)
• M7: 7,916,719 km (0.1 R)
• M8: 10,745,615 km (0.076 R)
• M9: 11,669,980 km (0.104 R)
• M10: 13,175,683 km (0.115 R)
• M11: 15,395,715 km (0.093 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: 460 - 17,179 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit