🌌 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: 376.6

Radius: 11.3

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.14 AU - 1.26 AU

Year: 892 Days

Day: 12.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,288,589 km

• M1: 140,472 km (0.087 R)
• M2: 530,324 km (0.047 R)
• M3: 1,794,576 km (0.086 R)
• M4: 3,310,152 km (0.09 R)
• M5: 4,125,460 km (0.098 R)
• M6: 4,984,751 km (0.105 R)
• M7: 5,864,087 km (0.086 R)
• M8: 6,512,594 km (0.085 R)
• M9: 7,767,720 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.4

Radius: 9.5

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.8 AU - 2.18 AU

Year: 1904 Days

Day: 10.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,288,589 km

• M1: 118,182 km (0.103 R)
• M2: 447,896 km (0.049 R)
• M3: 755,170 km (0.074 R)
• M4: 1,343,090 km (0.116 R)
• M5: 1,759,869 km (0.036 R)
• M6: 2,629,482 km (0.1 R)
• M7: 3,336,930 km (0.095 R)
• M8: 3,639,567 km (0.065 R)
• M9: 4,223,297 km (0.109 R)
• M10: 5,623,982 km (0.104 R)
• M11: 6,455,896 km (0.118 R)
• M12: 7,063,712 km (0.1 R)
• M13: 8,061,380 km (0.073 R)
• M14: 9,746,900 km (0.08 R)
• M15: 12,198,659 km (0.096 R)
• M16: 12,516,555 km (0.108 R)
• M17: 14,764,562 km (0.093 R)
• M18: 15,125,841 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.2

Radius: 9.9

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.8 AU - 2.42 AU

Year: 2079 Days

Day: 10.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,288,589 km

• M1: 123,119 km (0.073 R)
• M2: 805,435 km (0.107 R)
• M3: 1,243,009 km (0.112 R)
• M4: 1,705,565 km (0.059 R)
• M5: 2,213,001 km (0.101 R)
• M6: 3,789,912 km (0.054 R)
• M7: 4,178,867 km (0.112 R)
• M8: 4,594,450 km (0.112 R)
• M9: 5,295,765 km (0.045 R)
• M10: 5,746,054 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.6

Radius: 9.3

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.06 AU - 2.32 AU

Year: 2198 Days

Day: 6.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,288,589 km

• M1: 115,639 km (0.082 R)
• M2: 538,702 km (0.092 R)
• M3: 1,057,507 km (0.093 R)
• M4: 1,736,382 km (0.084 R)
• M5: 2,213,300 km (0.061 R)
• M6: 2,623,947 km (0.091 R)
• M7: 2,958,447 km (0.062 R)
• M8: 3,627,449 km (0.116 R)
• M9: 5,604,983 km (0.105 R)
• M10: 5,919,737 km (0.102 R)
• M11: 7,321,918 km (0.119 R)
• M12: 8,137,825 km (0.098 R)
• M13: 8,960,015 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.9

Radius: 9.4

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.68 AU - 4.22 AU

Year: 4346 Days

Day: 12.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,288,589 km

• M1: 116,836 km (0.081 R)
• M2: 514,916 km (0.079 R)
• M3: 914,492 km (0.116 R)
• M4: 1,353,412 km (0.095 R)
• M5: 1,709,455 km (0.103 R)
• M6: 2,073,726 km (0.09 R)
• M7: 3,647,495 km (0.032 R)
• M8: 4,413,885 km (0.118 R)
• M9: 5,841,647 km (0.114 R)
• M10: 6,467,714 km (0.117 R)
• M11: 8,298,343 km (0.116 R)
• M12: 9,015,665 km (0.101 R)
• M13: 9,851,768 km (0.1 R)
• M14: 11,074,132 km (0.117 R)
• M15: 11,766,022 km (0.085 R)
• M16: 12,763,990 km (0.09 R)
• M17: 16,647,401 km (0.071 R)
• M18: 18,735,637 km (0.089 R)
• M19: 20,476,059 km (0.115 R)
• M20: 21,451,587 km (0.085 R)
• M21: 23,285,208 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.3

Radius: 11.7

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.22 AU - 5.86 AU

Year: 7674 Days

Day: 10.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,288,589 km

• M1: 145,559 km (0.065 R)
• M2: 569,070 km (0.115 R)
• M3: 2,021,217 km (0.074 R)
• M4: 2,424,383 km (0.115 R)
• M5: 2,801,370 km (0.118 R)
• M6: 3,350,693 km (0.106 R)
• M7: 3,796,794 km (0.095 R)
• M8: 4,229,431 km (0.08 R)
• M9: 5,194,487 km (0.075 R)
• M10: 6,511,547 km (0.07 R)
• M11: 12,385,956 km (0.101 R)
• M12: 13,692,394 km (0.027 R)
• M13: 18,162,229 km (0.118 R)
• M14: 18,591,724 km (0.099 R)
• M15: 21,233,922 km (0.096 R)
• M16: 22,113,557 km (0.085 R)
• M17: 22,603,490 km (0.113 R)
• M18: 28,868,200 km (0.053 R)
• M19: 30,547,736 km (0.071 R)
• M20: 32,396,017 km (0.114 R)
• M21: 36,882,457 km (0.096 R)
• M22: 37,456,464 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 514.8

Radius: 6.6

Gravity: 11.82 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 8.52 AU - 9.22 AU

Year: 17917 Days

Day: 20.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,288,589 km

• M1: 82,129 km (0.107 R)
• M2: 475,572 km (0.08 R)
• M3: 853,157 km (0.05 R)
• M4: 1,210,546 km (0.036 R)
• M5: 1,431,951 km (0.104 R)
• M6: 2,410,470 km (0.039 R)
• M7: 2,741,680 km (0.107 R)
• M8: 5,330,771 km (0.074 R)
• M9: 7,138,511 km (0.098 R)
• M10: 7,361,861 km (0.117 R)
• M11: 11,478,944 km (0.049 R)
• M12: 12,544,829 km (0.065 R)
• M13: 18,541,160 km (0.063 R)
• M14: 20,093,088 km (0.119 R)
• M15: 20,991,573 km (0.039 R)
• M16: 29,738,411 km (0.108 R)
• M17: 36,266,264 km (0.1 R)
• M18: 42,362,227 km (0.113 R)
• M19: 58,681,560 km (0.112 R)
• M20: 59,959,425 km (0.109 R)
• M21: 63,521,201 km (0.094 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 17,909 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit