🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404

Radius: 11.1

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.01 AU - 1.05 AU

Year: 697 Days

Day: 10.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,716,577 km

• M1: 138,079 km (0.091 R)
• M2: 564,882 km (0.088 R)
• M3: 942,167 km (0.08 R)
• M4: 1,297,014 km (0.12 R)
• M5: 2,117,408 km (0.03 R)
• M6: 2,505,316 km (0.103 R)
• M7: 3,020,231 km (0.113 R)
• M8: 3,389,589 km (0.078 R)
• M9: 4,162,710 km (0.1 R)
• M10: 4,904,267 km (0.12 R)
• M11: 5,315,362 km (0.068 R)
• M12: 6,610,431 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.3

Radius: 14.6

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.22 AU - 1.3 AU

Year: 943 Days

Day: 10.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 48,716,577 km

• M1: 197,020 km (0.1 R)
• M2: 1,123,929 km (0.116 R)
• M3: 1,761,964 km (0.11 R)
• M4: 2,302,162 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.8

Radius: 12.9

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.25 AU - 1.49 AU

Year: 1069 Days

Day: 10.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 48,716,577 km

• M1: 160,519 km (0.094 R)
• M2: 669,450 km (0.049 R)
• M3: 1,081,593 km (0.026 R)
• M4: 1,957,488 km (0.12 R)
• M5: 7,971,622 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73

Radius: 12.2

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.83 AU - 2.81 AU

Year: 2356 Days

Day: 7.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 166.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 48,716,577 km

• M1: 154,385 km (0.09 R)
• M2: 892,351 km (0.116 R)
• M3: 1,788,143 km (0.072 R)
• M4: 3,397,816 km (0.037 R)
• M5: 4,025,529 km (0.09 R)
• M6: 4,831,263 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.8

Radius: 11.6

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.81 AU - 4.43 AU

Year: 5577 Days

Day: 9.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,716,577 km

• M1: 149,897 km (0.115 R)
• M2: 732,730 km (0.091 R)
• M3: 1,672,355 km (0.096 R)
• M4: 2,165,429 km (0.084 R)
• M5: 2,720,886 km (0.115 R)
• M6: 5,612,763 km (0.111 R)
• M7: 6,007,850 km (0.073 R)
• M8: 7,952,324 km (0.101 R)
• M9: 8,379,426 km (0.097 R)
• M10: 10,243,415 km (0.116 R)
• M11: 16,484,489 km (0.076 R)
• M12: 17,121,775 km (0.093 R)
• M13: 23,473,402 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 985.2

Radius: 5.7

Gravity: 30.32 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 5.41 AU - 8.77 AU

Year: 12589 Days

Day: 22.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 48,716,577 km

• M1: 76,594 km (0.067 R)
• M2: 255,214 km (0.11 R)
• M3: 1,439,281 km (0.082 R)
• M4: 2,253,991 km (0.058 R)
• M5: 2,842,659 km (0.068 R)
• M6: 3,808,762 km (0.11 R)
• M7: 4,225,841 km (0.093 R)
• M8: 4,574,553 km (0.063 R)
• M9: 5,257,617 km (0.052 R)
• M10: 5,736,630 km (0.097 R)
• M11: 6,045,549 km (0.111 R)
• M12: 6,244,365 km (0.115 R)
• M13: 6,909,626 km (0.114 R)
• M14: 7,126,992 km (0.116 R)
• M15: 8,234,316 km (0.115 R)
• M16: 9,136,840 km (0.054 R)
• M17: 16,744,340 km (0.106 R)
• M18: 17,616,196 km (0.04 R)
• M19: 20,860,974 km (0.08 R)
• M20: 21,132,943 km (0.106 R)
• M21: 21,499,308 km (0.078 R)
• M22: 23,589,939 km (0.091 R)
• M23: 26,974,291 km (0.118 R)
• M24: 27,513,741 km (0.075 R)
• M25: 27,840,912 km (0.094 R)
• M26: 36,361,408 km (0.063 R)
• M27: 37,819,838 km (0.085 R)
• M28: 42,574,058 km (0.109 R)
• M29: 46,159,769 km (0.097 R)
• M30: 47,868,626 km (0.061 R)
• M31: 51,246,995 km (0.097 R)
• M32: 51,576,858 km (0.047 R)
• M33: 53,247,118 km (0.077 R)
• M34: 54,095,637 km (0.102 R)
• M35: 55,472,087 km (0.071 R)
• M36: 55,994,184 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 243.9

Radius: 6.8

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.97 AU - 10.47 AU

Year: 17171 Days

Day: 19.8 Hours

Environment

Temp: -243 °C

Axial Tilt: 119.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,716,577 km

• M1: 86,168 km (0.105 R)
• M2: 397,482 km (0.098 R)
• M3: 826,379 km (0.104 R)
• M4: 1,140,684 km (0.102 R)
• M5: 1,358,648 km (0.048 R)
• M6: 1,590,225 km (0.073 R)
• M7: 1,945,820 km (0.092 R)
• M8: 2,649,079 km (0.115 R)
• M9: 3,081,716 km (0.075 R)
• M10: 4,756,763 km (0.108 R)
• M11: 5,263,751 km (0.107 R)
• M12: 6,236,735 km (0.104 R)
• M13: 6,650,224 km (0.079 R)
• M14: 8,264,235 km (0.062 R)
• M15: 8,625,065 km (0.116 R)
• M16: 10,641,645 km (0.094 R)
• M17: 11,177,504 km (0.103 R)
• M18: 13,750,737 km (0.118 R)
• M19: 20,931,285 km (0.087 R)
• M20: 24,612,590 km (0.089 R)
• M21: 25,548,624 km (0.05 R)
• M22: 28,499,142 km (0.084 R)
• M23: 30,056,307 km (0.029 R)
• M24: 33,225,986 km (0.06 R)
• M25: 42,044,332 km (0.114 R)
• M26: 43,922,832 km (0.117 R)
• M27: 48,280,170 km (0.079 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 15,058 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit