🌌 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: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.6

Radius: 10.6

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.65 AU - 0.83 AU

Year: 432 Days

Day: 13.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,600,378 km

• M1: 131,796 km (0.091 R)
• M2: 482,453 km (0.101 R)
• M3: 823,835 km (0.066 R)
• M4: 1,181,973 km (0.074 R)
• M5: 1,570,778 km (0.046 R)
• M6: 2,061,758 km (0.098 R)
• M7: 2,722,382 km (0.081 R)
• M8: 3,163,247 km (0.052 R)
• M9: 3,554,745 km (0.116 R)
• M10: 3,901,363 km (0.094 R)
• M11: 4,325,174 km (0.078 R)
• M12: 5,018,709 km (0.113 R)
• M13: 5,392,554 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.5

Radius: 13.4

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.69 AU - 1.09 AU

Year: 569 Days

Day: 12.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,600,378 km

• M1: 166,652 km (0.076 R)
• M2: 658,380 km (0.119 R)
• M3: 1,375,253 km (0.078 R)
• M4: 1,908,121 km (0.069 R)
• M5: 2,844,005 km (0.096 R)
• M6: 3,282,626 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.2

Radius: 14.4

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.73 AU - 1.11 AU

Year: 599 Days

Day: 7.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,600,378 km

• M1: 179,069 km (0.103 R)
• M2: 647,011 km (0.095 R)
• M3: 1,241,363 km (0.09 R)
• M4: 1,715,588 km (0.094 R)
• M5: 2,256,235 km (0.025 R)
• M6: 2,922,095 km (0.082 R)
• M7: 3,570,602 km (0.101 R)
• M8: 4,021,939 km (0.119 R)
• M9: 4,667,753 km (0.105 R)
• M10: 5,923,328 km (0.113 R)
• M11: 6,741,778 km (0.046 R)
• M12: 7,242,631 km (0.116 R)

Asteroid Belt

Center: 1.51 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.5

Radius: 11.5

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.91 AU - 2.27 AU

Year: 2049 Days

Day: 12.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,600,378 km

• M1: 143,016 km (0.116 R)
• M2: 518,805 km (0.119 R)
• M3: 1,010,384 km (0.064 R)
• M4: 1,545,645 km (0.095 R)
• M5: 1,908,570 km (0.102 R)
• M6: 2,528,354 km (0.031 R)
• M7: 3,445,089 km (0.068 R)
• M8: 4,367,959 km (0.12 R)
• M9: 4,738,064 km (0.117 R)
• M10: 6,253,939 km (0.106 R)
• M11: 8,986,344 km (0.084 R)
• M12: 10,910,322 km (0.045 R)
• M13: 12,148,544 km (0.069 R)
• M14: 13,094,900 km (0.095 R)
• M15: 13,607,722 km (0.093 R)
• M16: 14,628,278 km (0.072 R)
• M17: 16,327,112 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.1

Radius: 13.6

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.86 AU - 4.4 AU

Year: 4691 Days

Day: 9.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,600,378 km

• M1: 169,195 km (0.077 R)
• M2: 756,217 km (0.091 R)
• M3: 1,471,445 km (0.115 R)
• M4: 1,926,073 km (0.028 R)
• M5: 2,752,900 km (0.086 R)
• M6: 3,965,840 km (0.114 R)
• M7: 4,946,603 km (0.087 R)
• M8: 6,177,195 km (0.111 R)
• M9: 7,280,180 km (0.111 R)
• M10: 8,010,218 km (0.083 R)
• M11: 8,708,541 km (0.115 R)
• M12: 13,193,485 km (0.119 R)
• M13: 13,838,401 km (0.083 R)
• M14: 14,447,863 km (0.105 R)
• M15: 15,542,770 km (0.111 R)
• M16: 16,568,712 km (0.068 R)
• M17: 17,129,854 km (0.112 R)
• M18: 18,889,873 km (0.041 R)
• M19: 21,128,455 km (0.028 R)
• M20: 22,086,630 km (0.117 R)
• M21: 25,876,841 km (0.112 R)
• M22: 27,751,003 km (0.117 R)
• M23: 28,543,124 km (0.111 R)
• M24: 29,622,772 km (0.107 R)
• M25: 30,357,597 km (0.115 R)
• M26: 31,768,005 km (0.081 R)
• M27: 32,344,256 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.2

Radius: 11.1

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.96 AU - 5.26 AU

Year: 6713 Days

Day: 5.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,600,378 km

• M1: 138,079 km (0.104 R)
• M2: 528,230 km (0.088 R)
• M3: 977,472 km (0.06 R)
• M4: 1,338,901 km (0.117 R)
• M5: 1,859,352 km (0.06 R)
• M6: 2,427,674 km (0.101 R)
• M7: 2,837,722 km (0.116 R)
• M8: 3,742,490 km (0.074 R)
• M9: 6,574,078 km (0.112 R)
• M10: 8,245,535 km (0.108 R)
• M11: 8,737,712 km (0.106 R)
• M12: 13,188,399 km (0.043 R)
• M13: 14,512,190 km (0.082 R)
• M14: 15,377,315 km (0.103 R)
• M15: 18,289,387 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588.2

Radius: 5.6

Gravity: 18.76 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 5.39 AU - 8.23 AU

Year: 12053 Days

Day: 21.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,600,378 km

• M1: 73,004 km (0.117 R)
• M2: 975,378 km (0.076 R)
• M3: 1,575,266 km (0.119 R)
• M4: 3,173,719 km (0.05 R)
• M5: 4,489,283 km (0.112 R)
• M6: 8,049,413 km (0.11 R)
• M7: 16,344,166 km (0.086 R)
• M8: 23,963,634 km (0.107 R)
• M9: 29,321,781 km (0.055 R)
• M10: 30,612,063 km (0.112 R)
• M11: 31,382,043 km (0.113 R)
• M12: 32,164,889 km (0.043 R)
• M13: 34,828,479 km (0.111 R)
• M14: 38,518,909 km (0.059 R)
• M15: 43,144,026 km (0.092 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 11,815 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit