🌌 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 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.4 AU - 0.64 AU

Year: 246 Days

Day: 18.7 Hours

Environment

Temp: -111 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.46 AU - 0.72 AU

Year: 297 Days

Day: 13.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.5

Radius: 9.5

Gravity: 10.39 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.66 AU - 1 AU

Year: 496 Days

Day: 7.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 12,957,144 km

• M1: 118,332 km (0.114 R)
• M2: 185,651 km (0.1 R)
• M3: 246,238 km (0.083 R)
• M4: 372,499 km (0.088 R)
• M5: 557,701 km (0.088 R)
• M6: 617,839 km (0.103 R)
• M7: 685,009 km (0.03 R)
• M8: 750,233 km (0.066 R)
• M9: 872,305 km (0.051 R)
• M10: 943,813 km (0.097 R)
• M11: 1,109,567 km (0.071 R)
• M12: 1,193,342 km (0.099 R)
• M13: 1,279,361 km (0.103 R)
• M14: 1,500,616 km (0.111 R)
• M15: 1,663,678 km (0.031 R)
• M16: 1,865,785 km (0.087 R)
• M17: 1,973,346 km (0.114 R)
• M18: 2,159,595 km (0.101 R)
• M19: 2,230,055 km (0.06 R)
• M20: 2,294,083 km (0.068 R)
• M21: 2,438,894 km (0.117 R)
• M22: 2,519,827 km (0.104 R)
• M23: 2,624,096 km (0.102 R)
• M24: 2,691,864 km (0.101 R)
• M25: 2,775,639 km (0.114 R)
• M26: 3,016,342 km (0.104 R)
• M27: 3,231,464 km (0.098 R)
• M28: 3,361,464 km (0.06 R)
• M29: 3,427,138 km (0.094 R)
• M30: 3,601,419 km (0.103 R)
• M31: 3,677,116 km (0.119 R)
• M32: 3,770,166 km (0.032 R)
• M33: 3,915,724 km (0.113 R)
• M34: 4,150,892 km (0.077 R)
• M35: 4,230,179 km (0.098 R)
• M36: 4,327,866 km (0.115 R)
• M37: 4,390,548 km (0.069 R)
• M38: 4,498,558 km (0.061 R)
• M39: 4,643,967 km (0.1 R)
• M40: 5,004,946 km (0.105 R)
• M41: 5,080,044 km (0.083 R)
• M42: 5,279,309 km (0.111 R)
• M43: 5,471,393 km (0.082 R)
• M44: 5,568,182 km (0.052 R)
• M45: 5,862,441 km (0.116 R)
• M46: 6,071,430 km (0.097 R)
• M47: 6,292,984 km (0.116 R)
• M48: 6,354,020 km (0.095 R)
• M49: 6,599,510 km (0.07 R)
• M50: 6,671,766 km (0.045 R)
• M51: 6,733,849 km (0.09 R)
• M52: 6,806,554 km (0.071 R)
• M53: 6,963,332 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.1

Radius: 13.5

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.05 AU - 1.09 AU

Year: 726 Days

Day: 7.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 12,957,144 km

• M1: 167,998 km (0.12 R)
• M2: 257,757 km (0.036 R)
• M3: 392,096 km (0.097 R)
• M4: 485,445 km (0.087 R)
• M5: 617,241 km (0.113 R)
• M6: 727,794 km (0.087 R)
• M7: 814,112 km (0.119 R)
• M8: 940,522 km (0.075 R)
• M9: 1,074,412 km (0.11 R)
• M10: 1,160,879 km (0.057 R)
• M11: 1,350,570 km (0.112 R)
• M12: 1,528,890 km (0.12 R)
• M13: 1,738,327 km (0.111 R)
• M14: 2,331,333 km (0.085 R)
• M15: 2,593,429 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.1

Radius: 12.7

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.87 AU - 3.69 AU

Year: 3897 Days

Day: 6 Hours

Environment

Temp: -205 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 12,957,144 km

• M1: 161,117 km (0.05 R)
• M2: 245,341 km (0.096 R)
• M3: 447,597 km (0.045 R)
• M4: 644,168 km (0.045 R)
• M5: 723,605 km (0.095 R)
• M6: 969,394 km (0.064 R)
• M7: 1,111,063 km (0.038 R)
• M8: 1,218,026 km (0.075 R)
• M9: 1,354,609 km (0.075 R)
• M10: 1,433,896 km (0.107 R)
• M11: 1,625,381 km (0.066 R)
• M12: 1,757,775 km (0.117 R)
• M13: 1,874,461 km (0.113 R)
• M14: 2,084,796 km (0.109 R)
• M15: 2,261,022 km (0.104 R)
• M16: 2,431,564 km (0.064 R)
• M17: 2,717,894 km (0.108 R)
• M18: 2,991,957 km (0.055 R)
• M19: 3,227,424 km (0.116 R)
• M20: 3,311,349 km (0.075 R)
• M21: 3,505,826 km (0.105 R)
• M22: 3,592,144 km (0.12 R)
• M23: 3,766,874 km (0.072 R)
• M24: 3,931,881 km (0.066 R)
• M25: 4,151,191 km (0.075 R)
• M26: 4,268,925 km (0.104 R)
• M27: 4,467,740 km (0.102 R)
• M28: 5,138,388 km (0.077 R)
• M29: 5,307,583 km (0.117 R)
• M30: 5,958,334 km (0.082 R)
• M31: 6,061,855 km (0.073 R)
• M32: 6,180,935 km (0.11 R)
• M33: 6,482,076 km (0.094 R)
• M34: 6,634,516 km (0.099 R)
• M35: 6,834,379 km (0.088 R)
• M36: 7,036,336 km (0.112 R)
• M37: 7,271,803 km (0.102 R)
• M38: 7,414,370 km (0.097 R)
• M39: 7,718,353 km (0.119 R)
• M40: 8,140,967 km (0.095 R)
• M41: 8,322,130 km (0.055 R)
• M42: 8,890,452 km (0.115 R)
• M43: 9,247,692 km (0.114 R)
• M44: 9,436,783 km (0.041 R)
• M45: 9,592,365 km (0.075 R)
• M46: 10,401,390 km (0.071 R)
• M47: 10,526,305 km (0.085 R)
• M48: 10,705,822 km (0.11 R)
• M49: 10,813,981 km (0.083 R)
• M50: 10,922,589 km (0.091 R)
• M51: 11,013,246 km (0.082 R)
• M52: 11,342,062 km (0.075 R)
• M53: 11,526,067 km (0.106 R)
• M54: 11,637,069 km (0.119 R)
• M55: 12,347,659 km (0.099 R)
• M56: 12,575,047 km (0.116 R)
• M57: 12,784,784 km (0.076 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 10,883 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit