🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.8

Radius: 8

Gravity: 9.95 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.5 AU - 0.62 AU

Year: 289 Days

Day: 12 Hours

Environment

Temp: -150 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,619,487 km

• M1: 99,483 km (0.118 R)
• M2: 373,247 km (0.08 R)
• M3: 694,882 km (0.093 R)
• M4: 1,293,722 km (0.061 R)
• M5: 1,667,867 km (0.046 R)
• M6: 1,998,478 km (0.063 R)
• M7: 2,280,919 km (0.073 R)
• M8: 2,927,032 km (0.088 R)
• M9: 3,198,851 km (0.115 R)
• M10: 3,689,682 km (0.049 R)
• M11: 4,305,726 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.3

Radius: 14.8

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.74 AU - 1 AU

Year: 560 Days

Day: 7.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,619,487 km

• M1: 184,005 km (0.086 R)
• M2: 744,848 km (0.057 R)
• M3: 1,218,325 km (0.038 R)
• M4: 1,698,833 km (0.102 R)
• M5: 3,180,900 km (0.102 R)
• M6: 4,322,780 km (0.089 R)
• M7: 5,170,102 km (0.063 R)
• M8: 5,995,583 km (0.094 R)
• M9: 6,567,496 km (0.093 R)
• M10: 7,092,435 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.2

Radius: 12.6

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.9 AU - 0.94 AU

Year: 609 Days

Day: 13.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,619,487 km

• M1: 157,078 km (0.111 R)
• M2: 598,990 km (0.11 R)
• M3: 1,167,611 km (0.062 R)
• M4: 1,585,737 km (0.097 R)
• M5: 2,046,050 km (0.109 R)
• M6: 2,517,134 km (0.107 R)
• M7: 3,083,212 km (0.109 R)
• M8: 3,996,358 km (0.085 R)
• M9: 4,531,469 km (0.086 R)
• M10: 4,956,028 km (0.054 R)
• M11: 5,921,084 km (0.079 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 968.5

Radius: 3.2

Gravity: 94.58 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.61 AU - 7.15 AU

Year: 11124 Days

Day: 21.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,619,487 km

• M1: 39,943 km (0.103 R)
• M2: 258,954 km (0.092 R)
• M3: 597,494 km (0.077 R)
• M4: 788,830 km (0.11 R)
• M5: 909,555 km (0.076 R)
• M6: 1,759,271 km (0.11 R)
• M7: 3,623,859 km (0.097 R)
• M8: 4,693,035 km (0.11 R)
• M9: 4,823,484 km (0.035 R)
• M10: 5,125,821 km (0.099 R)
• M11: 6,624,343 km (0.045 R)
• M12: 6,830,040 km (0.038 R)
• M13: 7,651,033 km (0.098 R)
• M14: 7,877,525 km (0.045 R)
• M15: 9,590,121 km (0.115 R)
• M16: 11,893,480 km (0.119 R)
• M17: 12,568,914 km (0.114 R)
• M18: 13,928,759 km (0.075 R)
• M19: 14,540,464 km (0.084 R)
• M20: 14,748,256 km (0.034 R)
• M21: 16,333,096 km (0.112 R)
• M22: 17,554,712 km (0.104 R)
• M23: 25,777,957 km (0.086 R)
• M24: 26,082,389 km (0.053 R)
• M25: 30,148,160 km (0.073 R)
• M26: 32,448,377 km (0.093 R)
• M27: 33,762,145 km (0.093 R)
• M28: 35,735,640 km (0.082 R)
• M29: 38,970,993 km (0.105 R)
• M30: 42,678,477 km (0.116 R)
• M31: 43,964,720 km (0.038 R)
• M32: 50,152,088 km (0.072 R)
• M33: 55,534,320 km (0.061 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204.3

Radius: 7.8

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 6.34 AU - 6.46 AU

Year: 11176 Days

Day: 21.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 134 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,619,487 km

• M1: 102,175 km (0.116 R)
• M2: 438,771 km (0.048 R)
• M3: 1,192,594 km (0.114 R)
• M4: 1,484,908 km (0.099 R)
• M5: 1,853,218 km (0.1 R)
• M6: 2,555,132 km (0.062 R)
• M7: 3,900,465 km (0.107 R)
• M8: 4,167,946 km (0.091 R)
• M9: 5,881,590 km (0.055 R)
• M10: 7,232,459 km (0.054 R)
• M11: 7,750,815 km (0.078 R)
• M12: 10,210,952 km (0.118 R)
• M13: 17,639,683 km (0.066 R)
• M14: 20,921,262 km (0.108 R)
• M15: 27,849,738 km (0.078 R)
• M16: 29,957,871 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 320.9

Radius: 7.8

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 8.2 AU - 8.6 AU

Year: 16805 Days

Day: 15.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,619,487 km

• M1: 97,987 km (0.088 R)
• M2: 364,271 km (0.073 R)
• M3: 888,462 km (0.051 R)
• M4: 1,177,485 km (0.114 R)
• M5: 1,445,415 km (0.112 R)
• M6: 1,692,251 km (0.059 R)
• M7: 2,272,541 km (0.057 R)
• M8: 2,889,034 km (0.04 R)
• M9: 3,309,404 km (0.092 R)
• M10: 4,100,478 km (0.087 R)
• M11: 4,540,595 km (0.062 R)
• M12: 5,412,002 km (0.118 R)
• M13: 5,690,404 km (0.104 R)
• M14: 7,354,979 km (0.085 R)
• M15: 11,555,688 km (0.11 R)
• M16: 12,254,609 km (0.1 R)
• M17: 14,587,737 km (0.105 R)
• M18: 15,265,715 km (0.074 R)
• M19: 15,823,266 km (0.082 R)
• M20: 16,904,859 km (0.082 R)
• M21: 24,735,110 km (0.113 R)
• M22: 28,320,822 km (0.065 R)
• M23: 34,326,727 km (0.111 R)
• M24: 36,998,994 km (0.052 R)
• M25: 40,200,688 km (0.071 R)
• M26: 44,140,348 km (0.03 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: 526 - 10,894 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit