🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.1

Radius: 11.2

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.45 AU - 0.71 AU

Year: 305 Days

Day: 14.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 83,328,648 km

• M1: 139,276 km (0.06 R)
• M2: 522,246 km (0.064 R)
• M3: 931,097 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.7

Radius: 11.4

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.65 AU - 0.91 AU

Year: 476 Days

Day: 14.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,328,648 km

• M1: 141,819 km (0.075 R)
• M2: 557,701 km (0.035 R)
• M3: 1,034,619 km (0.042 R)
• M4: 1,583,942 km (0.107 R)
• M5: 2,601,657 km (0.107 R)
• M6: 3,036,089 km (0.104 R)
• M7: 3,618,922 km (0.045 R)
• M8: 4,079,833 km (0.051 R)
• M9: 4,594,749 km (0.095 R)
• M10: 5,266,443 km (0.119 R)
• M11: 5,825,341 km (0.094 R)
• M12: 6,256,333 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.3

Radius: 10.3

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.14 AU - 2.7 AU

Year: 2599 Days

Day: 9.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,328,648 km

• M1: 131,048 km (0.031 R)
• M2: 659,128 km (0.081 R)
• M3: 1,193,193 km (0.116 R)
• M4: 1,590,076 km (0.12 R)
• M5: 1,973,944 km (0.07 R)
• M6: 2,451,311 km (0.075 R)
• M7: 3,584,215 km (0.104 R)
• M8: 4,345,519 km (0.096 R)
• M9: 5,193,290 km (0.12 R)
• M10: 6,049,289 km (0.082 R)
• M11: 6,552,536 km (0.098 R)
• M12: 7,921,806 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.4

Radius: 8.5

Gravity: 8.75 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.35 AU - 2.69 AU

Year: 2761 Days

Day: 13.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,328,648 km

• M1: 105,766 km (0.036 R)
• M2: 443,707 km (0.04 R)
• M3: 845,826 km (0.088 R)
• M4: 1,160,580 km (0.115 R)
• M5: 1,840,503 km (0.088 R)
• M6: 2,149,572 km (0.095 R)
• M7: 2,435,902 km (0.069 R)
• M8: 3,222,787 km (0.083 R)
• M9: 3,507,621 km (0.105 R)
• M10: 4,067,117 km (0.095 R)
• M11: 4,400,421 km (0.073 R)
• M12: 4,888,709 km (0.118 R)
• M13: 5,412,750 km (0.101 R)
• M14: 6,106,286 km (0.044 R)
• M15: 6,572,582 km (0.099 R)
• M16: 8,510,623 km (0.093 R)
• M17: 8,884,468 km (0.095 R)
• M18: 9,447,554 km (0.114 R)
• M19: 11,773,502 km (0.096 R)
• M20: 12,237,854 km (0.104 R)
• M21: 13,024,140 km (0.111 R)
• M22: 13,843,637 km (0.098 R)
• M23: 16,248,423 km (0.051 R)
• M24: 16,560,933 km (0.116 R)
• M25: 18,072,320 km (0.074 R)
• M26: 19,732,408 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.8

Radius: 15

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.85 AU - 3.83 AU

Year: 4213 Days

Day: 13.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 59 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,328,648 km

• M1: 190,288 km (0.071 R)
• M2: 678,426 km (0.033 R)
• M3: 1,308,084 km (0.046 R)
• M4: 2,357,363 km (0.089 R)
• M5: 2,880,956 km (0.064 R)
• M6: 3,482,788 km (0.09 R)
• M7: 6,878,959 km (0.102 R)
• M8: 7,355,129 km (0.112 R)
• M9: 7,853,439 km (0.097 R)
• M10: 9,078,048 km (0.088 R)
• M11: 10,965,374 km (0.103 R)
• M12: 12,246,082 km (0.095 R)
• M13: 17,178,772 km (0.08 R)
• M14: 17,868,418 km (0.033 R)
• M15: 20,048,807 km (0.087 R)
• M16: 20,673,079 km (0.097 R)
• M17: 21,167,500 km (0.072 R)
• M18: 21,669,850 km (0.055 R)
• M19: 22,848,083 km (0.118 R)
• M20: 23,376,911 km (0.031 R)
• M21: 24,458,953 km (0.092 R)
• M22: 25,655,137 km (0.101 R)
• M23: 27,479,483 km (0.061 R)
• M24: 28,684,793 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.4

Radius: 9.6

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.35 AU - 4.31 AU

Year: 5174 Days

Day: 8.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,328,648 km

• M1: 144,362 km (0.118 R)
• M2: 564,582 km (0.08 R)
• M3: 909,106 km (0.112 R)
• M4: 1,883,587 km (0.113 R)
• M5: 2,480,482 km (0.069 R)
• M6: 2,934,362 km (0.097 R)
• M7: 3,284,421 km (0.115 R)
• M8: 4,211,629 km (0.103 R)
• M9: 7,002,976 km (0.082 R)
• M10: 7,357,822 km (0.079 R)
• M11: 9,106,471 km (0.079 R)
• M12: 10,879,505 km (0.102 R)
• M13: 12,140,166 km (0.07 R)
• M14: 13,092,207 km (0.104 R)
• M15: 17,509,982 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 851.1

Radius: 6.9

Gravity: 17.88 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 9.15 AU - 10.07 AU

Year: 20563 Days

Day: 15.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 83,328,648 km

• M1: 85,869 km (0.104 R)
• M2: 878,887 km (0.1 R)
• M3: 1,193,941 km (0.093 R)
• M4: 1,482,365 km (0.08 R)
• M5: 1,893,610 km (0.064 R)
• M6: 2,401,495 km (0.114 R)
• M7: 3,050,151 km (0.118 R)
• M8: 3,474,411 km (0.079 R)
• M9: 4,985,798 km (0.047 R)
• M10: 6,078,610 km (0.077 R)
• M11: 6,612,226 km (0.114 R)
• M12: 7,080,467 km (0.112 R)
• M13: 9,120,234 km (0.076 R)
• M14: 12,549,017 km (0.088 R)
• M15: 16,580,830 km (0.109 R)
• M16: 18,428,214 km (0.082 R)
• M17: 22,009,886 km (0.086 R)
• M18: 23,371,077 km (0.111 R)
• M19: 25,460,062 km (0.046 R)
• M20: 28,515,897 km (0.053 R)
• M21: 29,503,243 km (0.118 R)
• M22: 29,879,332 km (0.064 R)
• M23: 31,676,751 km (0.099 R)
• M24: 32,203,186 km (0.118 R)
• M25: 33,409,244 km (0.085 R)
• M26: 46,828,023 km (0.081 R)
• M27: 49,072,590 km (0.108 R)
• M28: 52,114,812 km (0.078 R)
• M29: 53,775,199 km (0.077 R)
• M30: 56,813,531 km (0.1 R)
• M31: 65,755,146 km (0.05 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 12,299 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit