🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.6

Radius: 10.3

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.43 AU - 0.69 AU

Year: 279 Days

Day: 11.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,994,963 km

• M1: 131,497 km (0.063 R)
• M2: 477,965 km (0.108 R)
• M3: 1,000,361 km (0.075 R)
• M4: 1,653,056 km (0.118 R)
• M5: 1,982,920 km (0.078 R)
• M6: 2,349,435 km (0.107 R)
• M7: 2,685,431 km (0.043 R)
• M8: 3,099,518 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.1

Radius: 12.6

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.9 AU - 1.12 AU

Year: 677 Days

Day: 10.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,994,963 km

• M1: 156,779 km (0.09 R)
• M2: 580,290 km (0.094 R)
• M3: 1,085,632 km (0.063 R)
• M4: 1,794,576 km (0.08 R)
• M5: 2,202,230 km (0.096 R)
• M6: 2,716,697 km (0.061 R)
• M7: 3,197,804 km (0.112 R)
• M8: 3,847,358 km (0.107 R)
• M9: 4,457,269 km (0.083 R)
• M10: 5,647,469 km (0.107 R)
• M11: 6,081,752 km (0.078 R)
• M12: 6,932,814 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838

Radius: 12.1

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.98 AU - 1.1 AU

Year: 707 Days

Day: 9.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,994,963 km

• M1: 150,495 km (0.116 R)
• M2: 566,078 km (0.041 R)
• M3: 1,000,211 km (0.117 R)
• M4: 1,592,021 km (0.099 R)
• M5: 1,993,242 km (0.113 R)
• M6: 2,583,106 km (0.112 R)
• M7: 3,093,385 km (0.049 R)
• M8: 3,586,011 km (0.107 R)
• M9: 3,978,107 km (0.039 R)
• M10: 4,696,027 km (0.077 R)
• M11: 5,368,020 km (0.056 R)
• M12: 6,042,707 km (0.112 R)
• M13: 6,794,885 km (0.052 R)
• M14: 7,194,012 km (0.108 R)
• M15: 7,990,621 km (0.079 R)
• M16: 8,767,333 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.1

Radius: 15

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.72 AU - 4.22 AU

Year: 4310 Days

Day: 7.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,994,963 km

• M1: 186,549 km (0.116 R)
• M2: 1,556,416 km (0.114 R)
• M3: 2,919,552 km (0.057 R)
• M4: 3,467,080 km (0.052 R)
• M5: 4,060,984 km (0.107 R)
• M6: 4,623,621 km (0.072 R)
• M7: 5,482,762 km (0.108 R)
• M8: 6,696,150 km (0.109 R)
• M9: 7,249,214 km (0.083 R)
• M10: 9,815,266 km (0.069 R)
• M11: 12,691,734 km (0.118 R)
• M12: 15,579,421 km (0.081 R)
• M13: 16,848,759 km (0.115 R)
• M14: 19,922,547 km (0.097 R)
• M15: 27,159,194 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.1

Radius: 13.5

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.33 AU - 3.61 AU

Year: 4310 Days

Day: 7 Hours

Environment

Temp: -209 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,994,963 km

• M1: 168,298 km (0.028 R)
• M2: 836,850 km (0.065 R)
• M3: 1,548,787 km (0.086 R)
• M4: 2,779,080 km (0.073 R)
• M5: 4,117,831 km (0.083 R)
• M6: 4,582,931 km (0.055 R)
• M7: 5,346,777 km (0.102 R)
• M8: 6,357,461 km (0.105 R)
• M9: 7,010,904 km (0.105 R)
• M10: 7,461,044 km (0.094 R)
• M11: 8,058,837 km (0.108 R)
• M12: 10,388,076 km (0.109 R)
• M13: 11,500,636 km (0.098 R)
• M14: 12,299,787 km (0.112 R)
• M15: 13,407,410 km (0.095 R)
• M16: 13,868,620 km (0.055 R)
• M17: 15,019,177 km (0.115 R)
• M18: 15,871,885 km (0.089 R)
• M19: 17,184,307 km (0.111 R)
• M20: 18,005,749 km (0.072 R)
• M21: 18,567,789 km (0.094 R)
• M22: 20,144,101 km (0.043 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 554.3

Radius: 3.9

Gravity: 36.44 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.99 AU - 6.87 AU

Year: 9630 Days

Day: 21.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 36,994,963 km

• M1: 48,470 km (0.057 R)
• M2: 468,989 km (0.113 R)
• M3: 598,840 km (0.116 R)
• M4: 839,992 km (0.089 R)
• M5: 1,087,876 km (0.114 R)
• M6: 1,319,752 km (0.117 R)
• M7: 1,866,383 km (0.085 R)
• M8: 2,791,496 km (0.11 R)
• M9: 3,364,905 km (0.077 R)
• M10: 3,729,475 km (0.113 R)
• M11: 4,283,436 km (0.107 R)
• M12: 4,451,285 km (0.084 R)
• M13: 5,325,535 km (0.061 R)
• M14: 6,166,125 km (0.117 R)
• M15: 6,562,709 km (0.047 R)
• M16: 7,689,331 km (0.073 R)
• M17: 8,233,867 km (0.064 R)
• M18: 9,446,358 km (0.088 R)
• M19: 11,615,227 km (0.096 R)
• M20: 15,293,989 km (0.081 R)
• M21: 15,752,656 km (0.03 R)
• M22: 18,847,836 km (0.083 R)
• M23: 19,680,348 km (0.078 R)
• M24: 20,458,257 km (0.075 R)
• M25: 24,746,779 km (0.056 R)
• M26: 26,580,101 km (0.095 R)
• M27: 26,957,237 km (0.034 R)
• M28: 30,720,671 km (0.071 R)
• M29: 32,619,666 km (0.071 R)
• M30: 36,533,146 km (0.09 R)
• M31: 40,873,280 km (0.101 R)

Asteroid Belt

Center: 6.61 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182.8

Radius: 4.9

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 5.81 AU - 8.77 AU

Year: 13126 Days

Day: 18.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 36,994,963 km

• M1: 60,886 km (0.118 R)
• M2: 223,798 km (0.115 R)
• M3: 487,240 km (0.073 R)
• M4: 952,490 km (0.037 R)
• M5: 1,248,693 km (0.116 R)
• M6: 1,564,495 km (0.099 R)
• M7: 2,407,030 km (0.112 R)
• M8: 3,895,529 km (0.049 R)
• M9: 4,222,549 km (0.066 R)
• M10: 4,705,451 km (0.097 R)
• M11: 4,902,921 km (0.071 R)
• M12: 5,941,579 km (0.112 R)
• M13: 6,340,855 km (0.065 R)
• M14: 7,417,362 km (0.094 R)
• M15: 8,038,642 km (0.08 R)
• M16: 9,078,048 km (0.06 R)
• M17: 14,135,652 km (0.108 R)
• M18: 14,786,104 km (0.078 R)
• M19: 16,082,818 km (0.097 R)
• M20: 17,655,541 km (0.114 R)
• M21: 18,270,837 km (0.109 R)
• M22: 19,184,730 km (0.06 R)
• M23: 20,202,444 km (0.052 R)
• M24: 20,499,845 km (0.096 R)
• M25: 21,873,752 km (0.072 R)
• M26: 22,743,065 km (0.037 R)
• M27: 29,577,893 km (0.097 R)
• M28: 30,347,723 km (0.115 R)
• M29: 31,627,383 km (0.108 R)
• M30: 35,573,177 km (0.075 R)
• M31: 36,443,687 km (0.096 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 15,158 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit