🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.45 AU - 0.61 AU

Year: 245 Days

Day: 42 Hours

Environment

Temp: -125 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215

Radius: 13

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.9 AU - 0.92 AU

Year: 552 Days

Day: 11.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 131.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,933,454 km

• M1: 162,613 km (0.106 R)
• M2: 574,456 km (0.112 R)
• M3: 1,088,773 km (0.105 R)
• M4: 1,533,378 km (0.065 R)
• M5: 2,147,926 km (0.101 R)
• M6: 2,639,654 km (0.091 R)
• M7: 4,627,062 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.1

Radius: 10.2

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.38 AU - 1.9 AU

Year: 1335 Days

Day: 10.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,933,454 km

• M1: 127,457 km (0.116 R)
• M2: 656,286 km (0.095 R)
• M3: 1,106,426 km (0.116 R)
• M4: 1,701,227 km (0.067 R)
• M5: 2,702,785 km (0.112 R)
• M6: 3,117,470 km (0.107 R)
• M7: 3,448,381 km (0.052 R)
• M8: 4,566,774 km (0.092 R)
• M9: 5,157,985 km (0.101 R)
• M10: 5,844,041 km (0.071 R)
• M11: 6,162,983 km (0.069 R)
• M12: 6,835,725 km (0.059 R)
• M13: 7,190,122 km (0.08 R)
• M14: 8,214,269 km (0.05 R)
• M15: 12,495,910 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.9

Radius: 8.5

Gravity: 10.75 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.04 AU - 3.36 AU

Year: 2821 Days

Day: 6.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 42,933,454 km

• M1: 105,766 km (0.11 R)
• M2: 383,419 km (0.11 R)
• M3: 819,946 km (0.102 R)
• M4: 1,112,260 km (0.072 R)
• M5: 1,394,402 km (0.119 R)
• M6: 1,866,682 km (0.033 R)
• M7: 2,531,495 km (0.065 R)
• M8: 3,308,955 km (0.103 R)
• M9: 3,883,112 km (0.071 R)
• M10: 4,194,276 km (0.101 R)
• M11: 4,703,806 km (0.087 R)
• M12: 5,058,054 km (0.116 R)
• M13: 6,803,262 km (0.034 R)
• M14: 7,634,428 km (0.088 R)
• M15: 8,497,159 km (0.072 R)
• M16: 9,460,420 km (0.03 R)
• M17: 10,026,049 km (0.115 R)
• M18: 10,574,176 km (0.093 R)
• M19: 11,475,653 km (0.06 R)
• M20: 12,383,113 km (0.094 R)
• M21: 13,291,023 km (0.116 R)
• M22: 13,571,968 km (0.078 R)
• M23: 14,487,656 km (0.071 R)
• M24: 16,016,397 km (0.114 R)
• M25: 19,451,314 km (0.106 R)
• M26: 20,180,603 km (0.094 R)
• M27: 21,180,964 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.3

Radius: 11.1

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.4 AU - 6.34 AU

Year: 7912 Days

Day: 12.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 42,933,454 km

• M1: 140,772 km (0.099 R)
• M2: 528,679 km (0.088 R)
• M3: 881,580 km (0.09 R)
• M4: 1,501,364 km (0.089 R)
• M5: 1,865,037 km (0.089 R)
• M6: 2,253,393 km (0.091 R)
• M7: 2,755,593 km (0.071 R)
• M8: 3,564,319 km (0.11 R)
• M9: 3,934,723 km (0.108 R)
• M10: 4,581,136 km (0.12 R)
• M11: 5,328,527 km (0.044 R)
• M12: 6,839,465 km (0.095 R)
• M13: 7,775,050 km (0.116 R)
• M14: 8,147,100 km (0.105 R)
• M15: 9,661,928 km (0.053 R)
• M16: 10,141,240 km (0.106 R)
• M17: 13,124,969 km (0.036 R)
• M18: 18,120,192 km (0.074 R)
• M19: 19,147,480 km (0.106 R)
• M20: 20,290,857 km (0.073 R)
• M21: 20,839,731 km (0.11 R)
• M22: 21,967,251 km (0.097 R)
• M23: 23,219,834 km (0.065 R)
• M24: 26,605,682 km (0.093 R)
• M25: 27,548,597 km (0.116 R)
• M26: 32,069,595 km (0.06 R)
• M27: 32,600,518 km (0.103 R)
• M28: 36,253,398 km (0.061 R)
• M29: 37,295,198 km (0.077 R)
• M30: 38,835,009 km (0.062 R)
• M31: 40,047,948 km (0.12 R)
• M32: 42,421,917 km (0.078 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 15,988 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit