🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.5

Radius: 11.8

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.56 AU - 0.74 AU

Year: 349 Days

Day: 9.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,535,067 km

• M1: 146,756 km (0.025 R)
• M2: 558,000 km (0.095 R)
• M3: 1,023,549 km (0.094 R)
• M4: 1,489,396 km (0.109 R)
• M5: 1,917,994 km (0.081 R)
• M6: 2,722,532 km (0.116 R)
• M7: 3,131,233 km (0.065 R)
• M8: 3,904,355 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.9

Radius: 14.7

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.87 AU - 0.91 AU

Year: 560 Days

Day: 9.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,535,067 km

• M1: 183,108 km (0.119 R)
• M2: 647,609 km (0.104 R)
• M3: 1,124,826 km (0.113 R)
• M4: 1,678,787 km (0.118 R)
• M5: 2,271,195 km (0.05 R)
• M6: 2,900,254 km (0.087 R)
• M7: 4,875,395 km (0.119 R)
• M8: 7,199,547 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.5

Radius: 14.8

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.04 AU - 1.38 AU

Year: 888 Days

Day: 7.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,535,067 km

• M1: 184,005 km (0.099 R)
• M2: 659,427 km (0.056 R)
• M3: 1,359,097 km (0.101 R)
• M4: 1,880,445 km (0.076 R)
• M5: 2,734,649 km (0.108 R)
• M6: 3,393,478 km (0.102 R)
• M7: 3,973,319 km (0.12 R)
• M8: 4,511,872 km (0.053 R)
• M9: 5,033,220 km (0.103 R)
• M10: 5,737,228 km (0.1 R)
• M11: 6,198,139 km (0.112 R)
• M12: 6,885,541 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.9

Radius: 11.6

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.2 AU - 3.02 AU

Year: 2812 Days

Day: 14 Hours

Environment

Temp: -209 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,535,067 km

• M1: 144,960 km (0.054 R)
• M2: 509,680 km (0.106 R)
• M3: 1,075,758 km (0.027 R)
• M4: 1,879,996 km (0.101 R)
• M5: 2,300,217 km (0.097 R)
• M6: 2,672,117 km (0.11 R)
• M7: 3,558,335 km (0.085 R)
• M8: 4,229,880 km (0.115 R)
• M9: 4,840,688 km (0.059 R)
• M10: 5,561,301 km (0.099 R)
• M11: 6,182,730 km (0.083 R)
• M12: 7,500,388 km (0.074 R)
• M13: 9,326,081 km (0.097 R)
• M14: 9,815,864 km (0.11 R)
• M15: 10,283,208 km (0.116 R)
• M16: 12,437,118 km (0.064 R)
• M17: 14,474,192 km (0.081 R)
• M18: 15,441,642 km (0.119 R)
• M19: 17,000,751 km (0.088 R)
• M20: 19,139,252 km (0.082 R)
• M21: 22,306,090 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.1

Radius: 13

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.35 AU - 4.03 AU

Year: 4727 Days

Day: 9.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,535,067 km

• M1: 161,715 km (0.059 R)
• M2: 651,798 km (0.072 R)
• M3: 1,203,365 km (0.063 R)
• M4: 2,256,085 km (0.096 R)
• M5: 3,338,576 km (0.114 R)
• M6: 4,213,574 km (0.118 R)
• M7: 4,984,601 km (0.104 R)
• M8: 7,374,726 km (0.099 R)
• M9: 9,041,396 km (0.088 R)
• M10: 9,456,381 km (0.027 R)
• M11: 9,884,231 km (0.107 R)
• M12: 11,116,917 km (0.058 R)
• M13: 12,084,366 km (0.056 R)
• M14: 13,986,055 km (0.103 R)
• M15: 14,956,197 km (0.047 R)
• M16: 16,859,979 km (0.066 R)
• M17: 17,374,745 km (0.095 R)
• M18: 18,077,107 km (0.086 R)
• M19: 18,495,682 km (0.095 R)
• M20: 23,324,702 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.5

Radius: 11.1

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.43 AU - 5.63 AU

Year: 7523 Days

Day: 5.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,535,067 km

• M1: 138,079 km (0.115 R)
• M2: 623,225 km (0.114 R)
• M3: 995,424 km (0.044 R)
• M4: 1,775,428 km (0.115 R)
• M5: 2,406,282 km (0.114 R)
• M6: 3,021,877 km (0.072 R)
• M7: 3,808,463 km (0.044 R)
• M8: 4,806,879 km (0.118 R)
• M9: 6,454,101 km (0.102 R)
• M10: 12,243,389 km (0.103 R)
• M11: 13,076,799 km (0.074 R)
• M12: 18,018,316 km (0.093 R)
• M13: 19,372,475 km (0.049 R)
• M14: 21,978,770 km (0.095 R)
• M15: 24,892,487 km (0.034 R)
• M16: 29,409,445 km (0.105 R)
• M17: 31,092,421 km (0.1 R)
• M18: 32,445,085 km (0.106 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 16,740 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit