🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.3

Radius: 14.5

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.63 AU - 0.81 AU

Year: 401 Days

Day: 11 Hours

Environment

Temp: -139 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,426,223 km

• M1: 180,265 km (0.057 R)
• M2: 663,018 km (0.103 R)
• M3: 1,218,325 km (0.054 R)
• M4: 2,026,602 km (0.102 R)
• M5: 2,685,282 km (0.117 R)
• M6: 3,151,279 km (0.093 R)
• M7: 3,756,103 km (0.116 R)
• M8: 4,236,761 km (0.094 R)
• M9: 4,903,070 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.8

Radius: 11.5

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.78 AU - 1.02 AU

Year: 560 Days

Day: 7.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,426,223 km

• M1: 143,016 km (0.112 R)
• M2: 595,998 km (0.108 R)
• M3: 993,031 km (0.067 R)
• M4: 1,741,618 km (0.117 R)
• M5: 2,126,384 km (0.116 R)
• M6: 3,081,866 km (0.09 R)
• M7: 3,778,393 km (0.063 R)
• M8: 4,341,929 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.8

Radius: 10.8

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.13 AU - 1.23 AU

Year: 841 Days

Day: 8.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,426,223 km

• M1: 134,638 km (0.074 R)
• M2: 526,136 km (0.047 R)
• M3: 936,034 km (0.062 R)
• M4: 1,370,466 km (0.117 R)
• M5: 1,739,075 km (0.079 R)
• M6: 2,965,628 km (0.03 R)
• M7: 3,907,347 km (0.06 R)
• M8: 4,662,068 km (0.112 R)
• M9: 5,395,098 km (0.061 R)
• M10: 7,229,915 km (0.08 R)
• M11: 8,549,369 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877

Radius: 14.1

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1 AU - 1.52 AU

Year: 928 Days

Day: 9.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,426,223 km

• M1: 175,628 km (0.106 R)
• M2: 898,485 km (0.089 R)
• M3: 1,409,661 km (0.104 R)
• M4: 1,939,985 km (0.116 R)
• M5: 4,290,467 km (0.119 R)
• M6: 5,447,008 km (0.049 R)
• M7: 6,131,119 km (0.11 R)
• M8: 7,060,421 km (0.096 R)
• M9: 7,521,931 km (0.116 R)
• M10: 8,318,539 km (0.073 R)
• M11: 8,945,354 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747

Radius: 14.5

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.22 AU - 2.42 AU

Year: 2318 Days

Day: 12 Hours

Environment

Temp: -204 °C

Axial Tilt: 147.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,426,223 km

• M1: 180,415 km (0.109 R)
• M2: 1,106,725 km (0.1 R)
• M3: 1,585,737 km (0.111 R)
• M4: 2,336,270 km (0.038 R)
• M5: 5,059,101 km (0.076 R)
• M6: 5,750,692 km (0.102 R)
• M7: 7,621,563 km (0.038 R)
• M8: 8,083,970 km (0.12 R)
• M9: 8,565,076 km (0.062 R)
• M10: 9,031,373 km (0.117 R)
• M11: 12,238,153 km (0.106 R)
• M12: 13,398,733 km (0.026 R)
• M13: 13,983,212 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.4

Radius: 13.6

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.36 AU - 5.96 AU

Year: 7689 Days

Day: 9.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 32,426,223 km

• M1: 169,195 km (0.039 R)
• M2: 1,108,520 km (0.057 R)
• M3: 1,751,941 km (0.084 R)
• M4: 2,360,056 km (0.104 R)
• M5: 4,270,421 km (0.103 R)
• M6: 4,922,967 km (0.117 R)
• M7: 5,974,640 km (0.102 R)
• M8: 6,536,081 km (0.118 R)
• M9: 7,929,286 km (0.104 R)
• M10: 8,608,609 km (0.089 R)
• M11: 9,326,530 km (0.112 R)
• M12: 10,378,502 km (0.086 R)
• M13: 10,882,198 km (0.089 R)
• M14: 12,775,060 km (0.119 R)
• M15: 14,011,187 km (0.08 R)
• M16: 15,913,623 km (0.113 R)
• M17: 16,858,034 km (0.064 R)
• M18: 18,637,052 km (0.045 R)
• M19: 22,067,332 km (0.109 R)
• M20: 23,412,815 km (0.103 R)
• M21: 28,067,253 km (0.083 R)
• M22: 29,047,119 km (0.101 R)
• M23: 30,049,724 km (0.086 R)
• M24: 30,559,703 km (0.083 R)
• M25: 40,260,078 km (0.06 R)
• M26: 41,758,600 km (0.101 R)
• M27: 42,906,764 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.1

Radius: 6.1

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.58 AU - 8.16 AU

Year: 13125 Days

Day: 19 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,426,223 km

• M1: 95,743 km (0.096 R)
• M2: 449,242 km (0.112 R)
• M3: 2,371,425 km (0.075 R)
• M4: 7,310,998 km (0.119 R)
• M5: 7,936,017 km (0.104 R)
• M6: 10,337,811 km (0.119 R)
• M7: 13,345,028 km (0.055 R)
• M8: 19,045,305 km (0.119 R)
• M9: 25,102,822 km (0.109 R)
• M10: 27,290,092 km (0.108 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: 230 - 18,786 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit