🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.9

Radius: 14.8

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.5 AU - 0.74 AU

Year: 337 Days

Day: 6.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 70,027,709 km

• M1: 186,997 km (0.07 R)
• M2: 835,055 km (0.102 R)
• M3: 1,299,856 km (0.113 R)
• M4: 1,846,487 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.6

Radius: 11.1

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.68 AU - 0.8 AU

Year: 439 Days

Day: 13.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,027,709 km

• M1: 138,079 km (0.051 R)
• M2: 485,295 km (0.09 R)
• M3: 914,791 km (0.087 R)
• M4: 1,660,536 km (0.095 R)
• M5: 2,342,254 km (0.11 R)
• M6: 3,108,793 km (0.096 R)
• M7: 3,494,157 km (0.03 R)
• M8: 4,333,252 km (0.082 R)
• M9: 5,783,603 km (0.036 R)
• M10: 6,257,380 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167

Radius: 13.2

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.56 AU - 2.02 AU

Year: 1653 Days

Day: 15 Hours

Environment

Temp: -202 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,027,709 km

• M1: 174,132 km (0.082 R)
• M2: 642,373 km (0.052 R)
• M3: 1,113,158 km (0.055 R)
• M4: 1,535,473 km (0.05 R)
• M5: 2,936,157 km (0.119 R)
• M6: 3,944,896 km (0.087 R)
• M7: 4,563,333 km (0.062 R)
• M8: 6,322,904 km (0.076 R)
• M9: 7,876,777 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.9

Radius: 10.7

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.87 AU - 2.71 AU

Year: 2392 Days

Day: 7.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,027,709 km

• M1: 133,142 km (0.053 R)
• M2: 797,057 km (0.05 R)
• M3: 1,343,239 km (0.119 R)
• M4: 1,682,228 km (0.099 R)
• M5: 2,441,587 km (0.051 R)
• M6: 3,130,036 km (0.119 R)
• M7: 3,573,893 km (0.065 R)
• M8: 4,936,730 km (0.091 R)
• M9: 5,986,608 km (0.114 R)
• M10: 8,110,449 km (0.096 R)
• M11: 10,358,456 km (0.106 R)
• M12: 11,075,927 km (0.11 R)
• M13: 11,866,701 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.6

Radius: 14.6

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.15 AU - 4.23 AU

Year: 5920 Days

Day: 5.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,027,709 km

• M1: 192,084 km (0.116 R)
• M2: 991,983 km (0.093 R)
• M3: 1,860,100 km (0.117 R)
• M4: 3,342,316 km (0.081 R)
• M5: 5,405,869 km (0.064 R)
• M6: 7,739,895 km (0.116 R)
• M7: 8,781,844 km (0.092 R)
• M8: 9,261,604 km (0.106 R)
• M9: 9,915,347 km (0.089 R)
• M10: 10,682,485 km (0.049 R)
• M11: 11,663,548 km (0.106 R)
• M12: 12,198,958 km (0.098 R)
• M13: 14,203,271 km (0.074 R)
• M14: 15,389,881 km (0.081 R)
• M15: 16,753,466 km (0.1 R)
• M16: 18,255,578 km (0.057 R)
• M17: 18,735,488 km (0.076 R)
• M18: 20,353,389 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993

Radius: 14.7

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 5.11 AU - 5.27 AU

Year: 8161 Days

Day: 7.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,027,709 km

• M1: 182,809 km (0.051 R)
• M2: 1,031,627 km (0.113 R)
• M3: 1,973,046 km (0.087 R)
• M4: 2,592,681 km (0.094 R)
• M5: 3,780,189 km (0.101 R)
• M6: 4,569,916 km (0.064 R)
• M7: 5,337,054 km (0.111 R)
• M8: 6,443,031 km (0.095 R)
• M9: 7,169,179 km (0.107 R)
• M10: 8,207,238 km (0.085 R)
• M11: 9,107,967 km (0.062 R)
• M12: 9,974,288 km (0.117 R)
• M13: 10,947,572 km (0.069 R)
• M14: 11,484,928 km (0.095 R)
• M15: 14,826,495 km (0.103 R)
• M16: 17,288,876 km (0.09 R)
• M17: 17,944,863 km (0.078 R)
• M18: 18,466,511 km (0.055 R)
• M19: 26,682,725 km (0.116 R)
• M20: 28,961,400 km (0.059 R)
• M21: 30,621,338 km (0.078 R)
• M22: 31,690,514 km (0.1 R)
• M23: 34,816,810 km (0.085 R)
• M24: 39,006,897 km (0.118 R)
• M25: 45,147,141 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 740.4

Radius: 5.4

Gravity: 25.39 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 8.06 AU - 8.86 AU

Year: 16985 Days

Day: 23.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,027,709 km

• M1: 78,240 km (0.112 R)
• M2: 593,904 km (0.108 R)
• M3: 791,971 km (0.118 R)
• M4: 1,022,202 km (0.028 R)
• M5: 1,475,035 km (0.115 R)
• M6: 1,844,991 km (0.044 R)
• M7: 2,581,311 km (0.093 R)
• M8: 4,090,754 km (0.086 R)
• M9: 4,281,341 km (0.085 R)
• M10: 4,853,703 km (0.054 R)
• M11: 5,067,478 km (0.117 R)
• M12: 9,130,856 km (0.028 R)
• M13: 9,512,181 km (0.073 R)
• M14: 9,960,974 km (0.048 R)
• M15: 11,268,011 km (0.076 R)
• M16: 12,819,790 km (0.118 R)
• M17: 15,103,251 km (0.055 R)
• M18: 16,902,615 km (0.074 R)
• M19: 19,368,885 km (0.089 R)
• M20: 20,272,157 km (0.111 R)
• M21: 22,162,177 km (0.09 R)
• M22: 22,751,293 km (0.096 R)
• M23: 23,553,138 km (0.116 R)
• M24: 24,373,532 km (0.089 R)
• M25: 24,790,761 km (0.082 R)
• M26: 25,854,701 km (0.071 R)
• M27: 26,838,008 km (0.038 R)
• M28: 28,879,121 km (0.055 R)
• M29: 33,909,649 km (0.075 R)
• M30: 46,136,432 km (0.107 R)
• M31: 46,614,547 km (0.08 R)
• M32: 50,898,581 km (0.084 R)
• M33: 55,258,312 km (0.037 R)
• M34: 62,740,749 km (0.06 R)
• M35: 63,918,233 km (0.077 R)
• M36: 64,711,401 km (0.054 R)
• M37: 64,910,815 km (0.081 R)
• M38: 69,608,787 km (0.08 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 15,360 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit