🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.1

Radius: 15

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.4 AU - 0.62 AU

Year: 251 Days

Day: 14 Hours

Environment

Temp: -140 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 79,596,842 km

• M1: 186,549 km (0.055 R)
• M2: 812,616 km (0.118 R)
• M3: 1,361,341 km (0.057 R)
• M4: 2,243,818 km (0.049 R)
• M5: 2,715,800 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.7

Radius: 9.4

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.54 AU - 0.76 AU

Year: 362 Days

Day: 12.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,596,842 km

• M1: 121,623 km (0.104 R)
• M2: 575,353 km (0.116 R)
• M3: 884,423 km (0.081 R)
• M4: 1,200,074 km (0.12 R)
• M5: 1,640,041 km (0.054 R)
• M6: 2,060,860 km (0.032 R)
• M7: 2,477,939 km (0.105 R)
• M8: 3,110,738 km (0.098 R)
• M9: 4,345,369 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.9

Radius: 12.4

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.69 AU - 0.85 AU

Year: 466 Days

Day: 9.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 79,596,842 km

• M1: 154,235 km (0.074 R)
• M2: 552,016 km (0.107 R)
• M3: 948,002 km (0.078 R)
• M4: 1,356,254 km (0.054 R)
• M5: 1,834,219 km (0.088 R)
• M6: 2,401,644 km (0.058 R)
• M7: 3,345,756 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.9

Radius: 14.3

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.75 AU - 0.81 AU

Year: 476 Days

Day: 9.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 79,596,842 km

• M1: 179,069 km (0.058 R)
• M2: 716,424 km (0.109 R)
• M3: 1,198,429 km (0.101 R)
• M4: 1,788,293 km (0.091 R)
• M5: 2,547,053 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.2

Radius: 13.6

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.7 AU - 2.52 AU

Year: 2116 Days

Day: 14.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,596,842 km

• M1: 169,644 km (0.044 R)
• M2: 606,171 km (0.087 R)
• M3: 1,082,789 km (0.084 R)
• M4: 1,621,192 km (0.112 R)
• M5: 3,038,183 km (0.115 R)
• M6: 3,597,679 km (0.1 R)
• M7: 4,240,800 km (0.043 R)
• M8: 4,678,973 km (0.082 R)
• M9: 6,082,051 km (0.076 R)
• M10: 6,518,877 km (0.068 R)
• M11: 7,433,817 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.6

Radius: 9.5

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.19 AU - 5.45 AU

Year: 8470 Days

Day: 5.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,596,842 km

• M1: 118,182 km (0.067 R)
• M2: 432,338 km (0.114 R)
• M3: 790,475 km (0.109 R)
• M4: 1,568,234 km (0.034 R)
• M5: 1,963,173 km (0.045 R)
• M6: 2,612,278 km (0.098 R)
• M7: 3,398,265 km (0.048 R)
• M8: 5,792,878 km (0.064 R)
• M9: 6,781,870 km (0.114 R)
• M10: 7,395,371 km (0.08 R)
• M11: 7,920,758 km (0.081 R)
• M12: 8,384,661 km (0.101 R)
• M13: 10,929,471 km (0.116 R)
• M14: 12,210,627 km (0.069 R)
• M15: 18,055,416 km (0.039 R)
• M16: 19,840,418 km (0.049 R)
• M17: 25,989,488 km (0.103 R)
• M18: 29,744,245 km (0.112 R)
• M19: 31,175,897 km (0.088 R)
• M20: 35,632,268 km (0.098 R)
• M21: 36,203,283 km (0.078 R)
• M22: 40,372,127 km (0.053 R)
• M23: 41,745,735 km (0.101 R)
• M24: 42,252,871 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 986.1

Radius: 7.2

Gravity: 19.02 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 7.11 AU - 10.37 AU

Year: 17835 Days

Day: 23.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,596,842 km

• M1: 89,609 km (0.095 R)
• M2: 815,458 km (0.105 R)
• M3: 2,008,651 km (0.063 R)
• M4: 3,242,085 km (0.107 R)
• M5: 4,282,239 km (0.086 R)
• M6: 5,139,884 km (0.056 R)
• M7: 5,410,506 km (0.073 R)
• M8: 7,383,104 km (0.046 R)
• M9: 8,032,059 km (0.117 R)
• M10: 8,397,078 km (0.091 R)
• M11: 9,791,330 km (0.097 R)
• M12: 10,329,135 km (0.12 R)
• M13: 11,726,528 km (0.099 R)
• M14: 13,608,320 km (0.113 R)
• M15: 14,891,421 km (0.08 R)
• M16: 18,047,637 km (0.047 R)
• M17: 20,543,528 km (0.106 R)
• M18: 22,432,051 km (0.097 R)
• M19: 24,979,104 km (0.1 R)
• M20: 28,546,116 km (0.093 R)
• M21: 33,364,065 km (0.096 R)
• M22: 37,242,390 km (0.092 R)
• M23: 37,675,027 km (0.115 R)
• M24: 37,965,247 km (0.067 R)
• M25: 46,710,738 km (0.106 R)
• M26: 50,660,571 km (0.098 R)
• M27: 51,905,524 km (0.025 R)
• M28: 53,902,955 km (0.047 R)
• M29: 56,139,743 km (0.057 R)
• M30: 57,472,660 km (0.033 R)
• M31: 60,004,005 km (0.033 R)
• M32: 72,878,398 km (0.038 R)
• M33: 74,235,999 km (0.112 R)
• M34: 77,001,914 km (0.179 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 18,927 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit