🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.6

Radius: 11

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.63 AU - 0.75 AU

Year: 370 Days

Day: 10.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,304,408 km

• M1: 136,882 km (0.113 R)
• M2: 644,916 km (0.064 R)
• M3: 1,027,887 km (0.094 R)
• M4: 1,393,803 km (0.09 R)
• M5: 2,254,739 km (0.119 R)
• M6: 3,484,733 km (0.072 R)
• M7: 4,293,010 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.8

Radius: 8.6

Gravity: 13.3 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.14 AU - 1.3 AU

Year: 870 Days

Day: 14.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,304,408 km

• M1: 106,962 km (0.077 R)
• M2: 385,065 km (0.099 R)
• M3: 810,372 km (0.064 R)
• M4: 1,170,753 km (0.092 R)
• M5: 1,452,745 km (0.066 R)
• M6: 1,771,388 km (0.084 R)
• M7: 2,157,949 km (0.11 R)
• M8: 2,636,513 km (0.119 R)
• M9: 2,927,630 km (0.058 R)
• M10: 3,806,069 km (0.065 R)
• M11: 5,468,849 km (0.111 R)
• M12: 5,881,739 km (0.083 R)
• M13: 6,204,871 km (0.078 R)
• M14: 6,631,075 km (0.098 R)
• M15: 7,197,453 km (0.117 R)
• M16: 8,399,621 km (0.097 R)
• M17: 9,205,206 km (0.092 R)
• M18: 9,523,849 km (0.112 R)
• M19: 10,493,094 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.3

Radius: 14.3

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.91 AU - 1.99 AU

Year: 1758 Days

Day: 14 Hours

Environment

Temp: -181 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,304,408 km

• M1: 178,171 km (0.091 R)
• M2: 774,019 km (0.073 R)
• M3: 1,718,880 km (0.069 R)
• M4: 3,789,015 km (0.08 R)
• M5: 4,777,857 km (0.098 R)
• M6: 5,299,654 km (0.09 R)
• M7: 5,932,453 km (0.058 R)
• M8: 7,071,641 km (0.038 R)
• M9: 7,549,157 km (0.094 R)
• M10: 8,199,310 km (0.078 R)
• M11: 10,555,775 km (0.094 R)
• M12: 12,265,230 km (0.053 R)
• M13: 13,039,998 km (0.05 R)
• M14: 13,934,144 km (0.025 R)
• M15: 15,467,971 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.2

Radius: 8.3

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.87 AU - 2.19 AU

Year: 1867 Days

Day: 7.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,304,408 km

• M1: 103,223 km (0.12 R)
• M2: 499,358 km (0.078 R)
• M3: 1,123,031 km (0.083 R)
• M4: 1,408,763 km (0.108 R)
• M5: 1,807,441 km (0.111 R)
• M6: 2,345,994 km (0.118 R)
• M7: 2,695,754 km (0.051 R)
• M8: 4,440,364 km (0.111 R)
• M9: 5,498,619 km (0.083 R)
• M10: 6,580,511 km (0.085 R)
• M11: 7,207,625 km (0.118 R)
• M12: 7,622,610 km (0.11 R)
• M13: 7,924,947 km (0.105 R)
• M14: 8,393,637 km (0.081 R)
• M15: 8,689,093 km (0.092 R)
• M16: 9,329,222 km (0.085 R)
• M17: 9,851,917 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.9

Radius: 13.9

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.88 AU - 4.7 AU

Year: 4764 Days

Day: 10.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 129.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,304,408 km

• M1: 172,935 km (0.118 R)
• M2: 736,470 km (0.045 R)
• M3: 1,908,420 km (0.12 R)
• M4: 2,701,438 km (0.12 R)
• M5: 4,206,243 km (0.082 R)
• M6: 4,969,342 km (0.075 R)
• M7: 5,660,933 km (0.068 R)
• M8: 7,493,657 km (0.085 R)
• M9: 8,475,318 km (0.066 R)
• M10: 9,850,272 km (0.107 R)
• M11: 13,229,239 km (0.052 R)
• M12: 14,106,930 km (0.119 R)
• M13: 18,906,628 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.1

Radius: 11.1

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.05 AU - 4.13 AU

Year: 5341 Days

Day: 6.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,304,408 km

• M1: 138,079 km (0.102 R)
• M2: 923,767 km (0.095 R)
• M3: 1,350,420 km (0.111 R)
• M4: 3,205,434 km (0.095 R)
• M5: 4,008,924 km (0.081 R)
• M6: 4,458,615 km (0.111 R)
• M7: 4,892,000 km (0.114 R)
• M8: 5,732,142 km (0.06 R)
• M9: 7,041,273 km (0.111 R)
• M10: 8,540,243 km (0.115 R)
• M11: 10,365,487 km (0.055 R)
• M12: 11,748,519 km (0.107 R)
• M13: 13,008,133 km (0.118 R)
• M14: 14,252,937 km (0.103 R)
• M15: 14,877,807 km (0.103 R)
• M16: 15,304,461 km (0.096 R)
• M17: 17,620,984 km (0.092 R)
• M18: 18,585,291 km (0.092 R)
• M19: 21,418,825 km (0.115 R)
• M20: 24,454,614 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.9

Radius: 12.7

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.94 AU - 4.92 AU

Year: 6020 Days

Day: 11.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,304,408 km

• M1: 185,053 km (0.09 R)
• M2: 773,870 km (0.118 R)
• M3: 1,341,295 km (0.077 R)
• M4: 1,833,920 km (0.102 R)
• M5: 3,343,812 km (0.1 R)
• M6: 3,892,836 km (0.087 R)
• M7: 7,183,091 km (0.037 R)
• M8: 9,053,962 km (0.114 R)
• M9: 11,993,261 km (0.03 R)
• M10: 12,790,319 km (0.114 R)
• M11: 15,088,890 km (0.097 R)
• M12: 16,144,602 km (0.081 R)
• M13: 19,391,624 km (0.071 R)
• M14: 20,266,921 km (0.089 R)
• M15: 21,629,010 km (0.11 R)
• M16: 23,051,087 km (0.061 R)
• M17: 28,242,881 km (0.063 R)
• M18: 28,707,831 km (0.109 R)
• M19: 31,109,775 km (0.097 R)
• M20: 35,983,075 km (0.043 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 14,184 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit