🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.8

Radius: 9.8

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.02 AU - 1.38 AU

Year: 892 Days

Day: 8.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,614,362 km

• M1: 121,922 km (0.114 R)
• M2: 450,589 km (0.117 R)
• M3: 830,418 km (0.116 R)
• M4: 1,389,914 km (0.075 R)
• M5: 1,931,907 km (0.095 R)
• M6: 3,062,418 km (0.085 R)
• M7: 4,046,622 km (0.1 R)
• M8: 4,864,923 km (0.115 R)
• M9: 5,341,990 km (0.082 R)
• M10: 5,890,416 km (0.081 R)
• M11: 6,760,627 km (0.072 R)
• M12: 7,285,117 km (0.08 R)
• M13: 7,763,082 km (0.101 R)
• M14: 8,834,951 km (0.119 R)
• M15: 9,295,712 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.5

Radius: 11.9

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.2 AU - 1.2 AU

Year: 892 Days

Day: 11.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,614,362 km

• M1: 148,251 km (0.07 R)
• M2: 536,159 km (0.08 R)
• M3: 916,437 km (0.088 R)
• M4: 1,488,050 km (0.105 R)
• M5: 1,884,335 km (0.099 R)
• M6: 2,459,090 km (0.066 R)
• M7: 3,266,470 km (0.092 R)
• M8: 4,054,701 km (0.106 R)
• M9: 4,436,624 km (0.042 R)
• M10: 4,965,752 km (0.052 R)
• M11: 5,948,011 km (0.115 R)
• M12: 6,358,657 km (0.104 R)
• M13: 7,874,982 km (0.109 R)
• M14: 8,498,505 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.3

Radius: 8.3

Gravity: 11.68 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.37 AU - 2.83 AU

Year: 2843 Days

Day: 12.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,614,362 km

• M1: 104,569 km (0.112 R)
• M2: 435,180 km (0.091 R)
• M3: 1,205,609 km (0.119 R)
• M4: 1,485,656 km (0.089 R)
• M5: 2,319,814 km (0.104 R)
• M6: 2,791,047 km (0.03 R)
• M7: 3,306,711 km (0.089 R)
• M8: 3,823,722 km (0.081 R)
• M9: 5,728,402 km (0.106 R)
• M10: 7,632,184 km (0.096 R)
• M11: 11,079,667 km (0.084 R)
• M12: 11,928,037 km (0.119 R)
• M13: 12,682,459 km (0.11 R)
• M14: 13,897,642 km (0.101 R)
• M15: 20,399,016 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.2

Radius: 8.6

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.89 AU - 4.67 AU

Year: 6006 Days

Day: 13.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,614,362 km

• M1: 113,395 km (0.047 R)
• M2: 401,670 km (0.108 R)
• M3: 859,589 km (0.112 R)
• M4: 7,953,371 km (0.119 R)
• M5: 8,508,379 km (0.039 R)
• M6: 12,493,217 km (0.048 R)
• M7: 14,668,221 km (0.097 R)
• M8: 16,545,674 km (0.045 R)
• M9: 18,577,662 km (0.077 R)
• M10: 20,770,767 km (0.05 R)
• M11: 26,224,357 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.8

Radius: 14.7

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.04 AU - 4.82 AU

Year: 6324 Days

Day: 11.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,614,362 km

• M1: 182,809 km (0.095 R)
• M2: 643,420 km (0.074 R)
• M3: 1,199,625 km (0.091 R)
• M4: 1,866,233 km (0.082 R)
• M5: 2,664,488 km (0.109 R)
• M6: 3,459,900 km (0.11 R)
• M7: 4,460,859 km (0.096 R)
• M8: 5,001,805 km (0.083 R)
• M9: 5,556,215 km (0.1 R)
• M10: 6,348,335 km (0.102 R)
• M11: 6,824,056 km (0.087 R)
• M12: 8,846,470 km (0.038 R)
• M13: 9,355,252 km (0.09 R)
• M14: 11,439,600 km (0.09 R)
• M15: 12,991,528 km (0.074 R)
• M16: 19,252,199 km (0.101 R)
• M17: 22,362,787 km (0.114 R)
• M18: 23,712,310 km (0.11 R)
• M19: 33,787,277 km (0.068 R)
• M20: 34,511,182 km (0.101 R)
• M21: 35,350,874 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.1

Radius: 9

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.91 AU - 6.11 AU

Year: 8772 Days

Day: 14.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,614,362 km

• M1: 113,545 km (0.081 R)
• M2: 406,757 km (0.099 R)
• M3: 1,059,452 km (0.119 R)
• M4: 1,676,843 km (0.107 R)
• M5: 2,439,193 km (0.088 R)
• M6: 3,205,733 km (0.089 R)
• M7: 8,719,013 km (0.101 R)
• M8: 12,918,524 km (0.1 R)
• M9: 13,356,696 km (0.104 R)
• M10: 19,103,050 km (0.054 R)
• M11: 19,800,026 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.5

Radius: 3.3

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.4 AU - 9.38 AU

Year: 15032 Days

Day: 17.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,614,362 km

• M1: 41,439 km (0.077 R)
• M2: 198,217 km (0.086 R)
• M3: 334,202 km (0.11 R)
• M4: 463,753 km (0.092 R)
• M5: 911,799 km (0.103 R)
• M6: 1,118,394 km (0.041 R)
• M7: 1,232,986 km (0.113 R)
• M8: 1,461,721 km (0.12 R)
• M9: 1,899,893 km (0.043 R)
• M10: 2,018,225 km (0.095 R)
• M11: 2,420,045 km (0.119 R)
• M12: 4,890,504 km (0.099 R)
• M13: 6,137,103 km (0.054 R)
• M14: 6,663,089 km (0.102 R)
• M15: 8,660,221 km (0.097 R)
• M16: 10,148,121 km (0.112 R)
• M17: 14,115,307 km (0.082 R)
• M18: 15,144,840 km (0.117 R)
• M19: 19,072,831 km (0.088 R)
• M20: 19,904,296 km (0.116 R)
• M21: 21,937,481 km (0.084 R)
• M22: 22,087,826 km (0.091 R)
• M23: 23,550,295 km (0.112 R)
• M24: 23,866,246 km (0.101 R)
• M25: 27,355,766 km (0.052 R)
• M26: 27,529,898 km (0.029 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 12,942 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit