🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.48 AU - 0.6 AU

Year: 252 Days

Day: 15.9 Hours

Environment

Temp: -112 °C

Axial Tilt: 4.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.7

Radius: 14

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.83 AU - 1.17 AU

Year: 636 Days

Day: 6.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,824,638 km

• M1: 174,132 km (0.057 R)
• M2: 823,087 km (0.057 R)
• M3: 1,655,749 km (0.096 R)
• M4: 2,219,135 km (0.111 R)
• M5: 2,909,828 km (0.108 R)
• M6: 3,525,723 km (0.102 R)
• M7: 4,124,114 km (0.115 R)
• M8: 4,822,437 km (0.077 R)
• M9: 6,258,726 km (0.094 R)
• M10: 6,970,214 km (0.077 R)
• M11: 7,645,050 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.6

Radius: 9.6

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.21 AU - 1.33 AU

Year: 910 Days

Day: 7.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,824,638 km

• M1: 119,379 km (0.084 R)
• M2: 584,479 km (0.067 R)
• M3: 904,170 km (0.101 R)
• M4: 1,377,946 km (0.117 R)
• M5: 1,967,960 km (0.084 R)
• M6: 2,493,797 km (0.084 R)
• M7: 3,258,391 km (0.085 R)
• M8: 3,702,398 km (0.11 R)
• M9: 5,422,175 km (0.028 R)
• M10: 6,679,395 km (0.12 R)
• M11: 7,267,764 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.9

Radius: 14.8

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.34 AU - 1.7 AU

Year: 1192 Days

Day: 11.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,824,638 km

• M1: 184,005 km (0.109 R)
• M2: 923,767 km (0.091 R)
• M3: 1,762,263 km (0.117 R)
• M4: 2,264,164 km (0.087 R)
• M5: 2,899,057 km (0.105 R)
• M6: 4,160,167 km (0.116 R)
• M7: 4,665,509 km (0.095 R)
• M8: 5,378,343 km (0.112 R)
• M9: 6,757,186 km (0.067 R)
• M10: 8,060,483 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.3

Radius: 11.4

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.35 AU - 5.49 AU

Year: 5908 Days

Day: 8 Hours

Environment

Temp: -219 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,824,638 km

• M1: 293,062 km (0.086 R)
• M2: 902,823 km (0.069 R)
• M3: 1,322,744 km (0.115 R)
• M4: 2,452,059 km (0.085 R)
• M5: 3,182,096 km (0.105 R)
• M6: 3,779,590 km (0.08 R)
• M7: 6,824,505 km (0.117 R)
• M8: 7,423,944 km (0.104 R)
• M9: 14,761,570 km (0.108 R)
• M10: 15,550,250 km (0.119 R)
• M11: 17,384,170 km (0.109 R)
• M12: 18,263,656 km (0.061 R)
• M13: 23,888,835 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.1

Radius: 8.4

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.68 AU - 5.24 AU

Year: 5989 Days

Day: 8.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 27,824,638 km

• M1: 105,317 km (0.044 R)
• M2: 407,804 km (0.096 R)
• M3: 810,820 km (0.101 R)
• M4: 1,743,264 km (0.12 R)
• M5: 2,096,465 km (0.082 R)
• M6: 2,635,615 km (0.094 R)
• M7: 3,203,190 km (0.077 R)
• M8: 3,691,627 km (0.115 R)
• M9: 4,012,664 km (0.082 R)
• M10: 7,401,803 km (0.099 R)
• M11: 7,839,527 km (0.112 R)
• M12: 9,594,011 km (0.11 R)
• M13: 9,982,666 km (0.087 R)
• M14: 10,653,912 km (0.081 R)
• M15: 11,839,175 km (0.057 R)
• M16: 12,236,358 km (0.07 R)
• M17: 13,588,872 km (0.086 R)
• M18: 16,773,811 km (0.08 R)
• M19: 17,211,833 km (0.038 R)
• M20: 17,529,430 km (0.102 R)
• M21: 18,241,964 km (0.106 R)
• M22: 18,572,127 km (0.072 R)
• M23: 19,449,219 km (0.059 R)
• M24: 20,780,491 km (0.11 R)
• M25: 21,799,551 km (0.116 R)
• M26: 22,775,229 km (0.034 R)
• M27: 27,485,766 km (0.113 R)
• M28: 28,358,670 km (0.08 R)
• M29: 28,891,238 km (0.114 R)
• M30: 30,436,285 km (0.063 R)
• M31: 31,844,600 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.2

Radius: 12.3

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.72 AU - 4.72 AU

Year: 6520 Days

Day: 12.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 27,824,638 km

• M1: 153,039 km (0.083 R)
• M2: 633,697 km (0.107 R)
• M3: 1,094,159 km (0.06 R)
• M4: 1,647,521 km (0.111 R)
• M5: 2,188,467 km (0.117 R)
• M6: 2,691,415 km (0.087 R)
• M7: 3,118,517 km (0.113 R)
• M8: 3,550,107 km (0.046 R)
• M9: 4,558,846 km (0.067 R)
• M10: 4,986,546 km (0.117 R)
• M11: 5,496,375 km (0.09 R)
• M12: 6,100,152 km (0.093 R)
• M13: 7,238,293 km (0.093 R)
• M14: 8,625,514 km (0.111 R)
• M15: 9,522,802 km (0.113 R)
• M16: 9,973,540 km (0.077 R)
• M17: 10,829,539 km (0.114 R)
• M18: 11,411,774 km (0.075 R)
• M19: 12,590,157 km (0.12 R)
• M20: 12,983,898 km (0.113 R)
• M21: 14,162,131 km (0.112 R)
• M22: 16,612,694 km (0.106 R)
• M23: 18,312,126 km (0.096 R)
• M24: 18,754,487 km (0.037 R)
• M25: 19,594,927 km (0.115 R)
• M26: 20,936,820 km (0.118 R)
• M27: 22,267,643 km (0.119 R)
• M28: 23,431,215 km (0.101 R)
• M29: 24,558,734 km (0.079 R)
• M30: 25,330,061 km (0.11 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 11,978 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit