🌌 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: 847

Radius: 10.3

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.45 AU - 0.57 AU

Year: 243 Days

Day: 10.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,856,860 km

• M1: 128,056 km (0.056 R)
• M2: 737,368 km (0.099 R)
• M3: 1,179,878 km (0.059 R)
• M4: 2,061,907 km (0.088 R)
• M5: 2,600,609 km (0.114 R)
• M6: 3,627,748 km (0.102 R)
• M7: 4,239,903 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.6

Radius: 12.4

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.45 AU - 0.57 AU

Year: 243 Days

Day: 12.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,856,860 km

• M1: 154,235 km (0.059 R)
• M2: 611,706 km (0.028 R)
• M3: 1,017,266 km (0.061 R)
• M4: 1,494,632 km (0.116 R)
• M5: 2,137,305 km (0.114 R)
• M6: 2,532,842 km (0.119 R)
• M7: 3,303,420 km (0.113 R)
• M8: 4,027,474 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.6

Radius: 10

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.5 AU - 0.56 AU

Year: 257 Days

Day: 13.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,856,860 km

• M1: 124,465 km (0.049 R)
• M2: 456,423 km (0.078 R)
• M3: 798,105 km (0.117 R)
• M4: 1,256,622 km (0.112 R)
• M5: 1,631,365 km (0.117 R)
• M6: 2,001,470 km (0.107 R)
• M7: 2,346,592 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.4

Radius: 8.3

Gravity: 9.63 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.57 AU - 0.69 AU

Year: 333 Days

Day: 6.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,856,860 km

• M1: 103,223 km (0.119 R)
• M2: 371,302 km (0.064 R)
• M3: 638,484 km (0.107 R)
• M4: 1,096,104 km (0.083 R)
• M5: 1,479,822 km (0.066 R)
• M6: 1,868,777 km (0.031 R)
• M7: 2,281,966 km (0.104 R)
• M8: 2,593,728 km (0.065 R)
• M9: 2,863,453 km (0.101 R)
• M10: 3,216,205 km (0.078 R)
• M11: 3,715,862 km (0.036 R)
• M12: 4,358,684 km (0.083 R)
• M13: 4,658,029 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.6

Radius: 8.9

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.55 AU - 0.91 AU

Year: 416 Days

Day: 14.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,856,860 km

• M1: 110,702 km (0.025 R)
• M2: 437,424 km (0.051 R)
• M3: 960,418 km (0.102 R)
• M4: 1,337,555 km (0.067 R)
• M5: 1,987,707 km (0.12 R)
• M6: 2,283,611 km (0.057 R)
• M7: 3,164,893 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.6

Radius: 13.7

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.01 AU - 1.57 AU

Year: 977 Days

Day: 11.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 36,856,860 km

• M1: 170,392 km (0.093 R)
• M2: 764,894 km (0.1 R)
• M3: 1,451,099 km (0.098 R)
• M4: 3,191,072 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.8

Radius: 12.3

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.17 AU - 5.67 AU

Year: 7277 Days

Day: 11.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,856,860 km

• M1: 153,338 km (0.05 R)
• M2: 575,353 km (0.066 R)
• M3: 1,222,963 km (0.11 R)
• M4: 1,636,750 km (0.113 R)
• M5: 2,242,921 km (0.057 R)
• M6: 2,627,387 km (0.068 R)
• M7: 3,309,853 km (0.119 R)
• M8: 4,498,258 km (0.071 R)
• M9: 5,385,823 km (0.103 R)
• M10: 6,117,207 km (0.096 R)
• M11: 6,594,125 km (0.079 R)
• M12: 8,015,304 km (0.085 R)
• M13: 8,545,629 km (0.111 R)
• M14: 9,142,973 km (0.05 R)
• M15: 13,442,565 km (0.103 R)
• M16: 22,327,333 km (0.109 R)
• M17: 25,320,786 km (0.068 R)
• M18: 29,235,313 km (0.075 R)
• M19: 30,395,894 km (0.095 R)
• M20: 31,486,612 km (0.077 R)
• M21: 31,889,628 km (0.12 R)
• M22: 32,912,130 km (0.05 R)
• M23: 35,130,666 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435

Radius: 10.1

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.13 AU - 6.75 AU

Year: 8461 Days

Day: 12.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,856,860 km

• M1: 125,961 km (0.053 R)
• M2: 639,680 km (0.105 R)
• M3: 1,059,003 km (0.088 R)
• M4: 2,638,607 km (0.057 R)
• M5: 3,585,562 km (0.105 R)
• M6: 4,213,274 km (0.097 R)
• M7: 5,973,892 km (0.081 R)
• M8: 7,292,298 km (0.117 R)
• M9: 7,785,073 km (0.099 R)
• M10: 8,837,345 km (0.076 R)
• M11: 10,685,626 km (0.108 R)
• M12: 13,383,474 km (0.097 R)
• M13: 20,156,518 km (0.073 R)
• M14: 20,825,819 km (0.096 R)
• M15: 23,003,216 km (0.03 R)
• M16: 26,282,700 km (0.113 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 13,167 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit