🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.7

Radius: 9.9

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.48 AU - 0.6 AU

Year: 269 Days

Day: 12.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,010,785 km

• M1: 125,064 km (0.1 R)
• M2: 448,494 km (0.094 R)
• M3: 1,126,023 km (0.109 R)
• M4: 1,610,271 km (0.077 R)
• M5: 2,014,485 km (0.096 R)
• M6: 2,392,818 km (0.092 R)
• M7: 2,771,749 km (0.099 R)
• M8: 3,325,710 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.1

Radius: 14.2

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.22 AU - 1.34 AU

Year: 982 Days

Day: 10.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,010,785 km

• M1: 176,675 km (0.101 R)
• M2: 667,506 km (0.07 R)
• M3: 1,212,042 km (0.115 R)
• M4: 2,037,822 km (0.084 R)
• M5: 2,484,073 km (0.078 R)
• M6: 2,983,281 km (0.115 R)
• M7: 3,549,658 km (0.109 R)
• M8: 4,021,191 km (0.111 R)
• M9: 5,053,416 km (0.099 R)
• M10: 5,509,091 km (0.108 R)
• M11: 8,270,369 km (0.106 R)
• M12: 9,426,311 km (0.103 R)
• M13: 9,966,809 km (0.072 R)
• M14: 10,432,956 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.6

Radius: 10.9

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.5 AU - 1.52 AU

Year: 1259 Days

Day: 11.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,010,785 km

• M1: 135,984 km (0.038 R)
• M2: 555,457 km (0.105 R)
• M3: 1,997,880 km (0.086 R)
• M4: 4,118,429 km (0.108 R)
• M5: 5,295,166 km (0.105 R)
• M6: 5,654,052 km (0.103 R)
• M7: 7,281,527 km (0.027 R)
• M8: 7,673,024 km (0.115 R)
• M9: 11,576,332 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.9

Radius: 14.9

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.79 AU - 3.83 AU

Year: 4084 Days

Day: 7.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,010,785 km

• M1: 185,352 km (0.093 R)
• M2: 1,282,951 km (0.11 R)
• M3: 1,966,763 km (0.12 R)
• M4: 2,982,383 km (0.117 R)
• M5: 3,625,504 km (0.092 R)
• M6: 4,116,335 km (0.097 R)
• M7: 4,633,046 km (0.103 R)
• M8: 6,904,540 km (0.091 R)
• M9: 7,482,437 km (0.07 R)
• M10: 8,996,218 km (0.11 R)
• M11: 11,621,211 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.9

Radius: 13

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.4 AU - 6.66 AU

Year: 8820 Days

Day: 12 Hours

Environment

Temp: -236 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,010,785 km

• M1: 161,715 km (0.098 R)
• M2: 1,039,855 km (0.084 R)
• M3: 1,846,786 km (0.066 R)
• M4: 2,301,264 km (0.076 R)
• M5: 3,394,824 km (0.096 R)
• M6: 4,299,592 km (0.064 R)
• M7: 4,897,984 km (0.089 R)
• M8: 6,227,311 km (0.026 R)
• M9: 6,844,252 km (0.112 R)
• M10: 7,422,298 km (0.109 R)
• M11: 8,898,530 km (0.117 R)
• M12: 11,548,058 km (0.033 R)
• M13: 12,481,250 km (0.101 R)
• M14: 17,348,566 km (0.04 R)
• M15: 21,841,738 km (0.028 R)
• M16: 25,751,179 km (0.062 R)
• M17: 26,585,486 km (0.085 R)
• M18: 29,698,768 km (0.088 R)
• M19: 31,658,201 km (0.057 R)
• M20: 36,177,552 km (0.11 R)
• M21: 40,609,838 km (0.117 R)
• M22: 41,487,229 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 732.7

Radius: 7.8

Gravity: 12.04 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.67 AU - 10.75 AU

Year: 17435 Days

Day: 20 Hours

Environment

Temp: -234 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,010,785 km

• M1: 115,639 km (0.054 R)
• M2: 971,040 km (0.084 R)
• M3: 1,286,691 km (0.064 R)
• M4: 1,571,825 km (0.115 R)
• M5: 1,954,795 km (0.118 R)
• M6: 2,486,616 km (0.112 R)
• M7: 2,933,614 km (0.1 R)
• M8: 4,207,141 km (0.092 R)
• M9: 4,807,776 km (0.114 R)
• M10: 6,345,942 km (0.112 R)
• M11: 6,689,119 km (0.072 R)
• M12: 12,617,384 km (0.067 R)
• M13: 14,735,390 km (0.056 R)
• M14: 17,493,227 km (0.05 R)
• M15: 20,670,387 km (0.097 R)
• M16: 24,212,565 km (0.103 R)
• M17: 32,219,941 km (0.089 R)
• M18: 35,997,885 km (0.118 R)
• M19: 39,627,279 km (0.112 R)
• M20: 54,599,632 km (0.064 R)
• M21: 70,163,197 km (0.097 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 18,934 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit