🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.7 AU - 0.96 AU

Year: 288 Days

Day: 34.2 Hours

Environment

Temp: 43 °C

Axial Tilt: 107 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.17 AU - 1.83 AU

Year: 700 Days

Day: 20.7 Hours

Environment

Temp: -42 °C

Axial Tilt: 6.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.33 AU - 3.35 AU

Year: 1823 Days

Day: 32 Hours

Environment

Temp: -112 °C

Axial Tilt: 46.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.3

Radius: 8.2

Gravity: 10.58 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 9.85 AU - 9.91 AU

Year: 11826 Days

Day: 10.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 89,726,638 km

• M1: 105,018 km (0.112 R)
• M2: 655,538 km (0.113 R)
• M3: 1,437,037 km (0.075 R)
• M4: 2,346,143 km (0.107 R)
• M5: 2,890,979 km (0.108 R)
• M6: 3,491,913 km (0.081 R)
• M7: 3,974,217 km (0.096 R)
• M8: 4,530,871 km (0.091 R)
• M9: 4,876,292 km (0.044 R)
• M10: 5,341,093 km (0.096 R)
• M11: 5,945,169 km (0.119 R)
• M12: 6,874,321 km (0.089 R)
• M13: 8,824,030 km (0.108 R)
• M14: 10,782,566 km (0.082 R)
• M15: 11,116,319 km (0.069 R)
• M16: 12,218,855 km (0.105 R)
• M17: 13,265,741 km (0.074 R)
• M18: 18,605,637 km (0.078 R)
• M19: 19,822,615 km (0.116 R)
• M20: 21,351,954 km (0.077 R)
• M21: 22,324,490 km (0.101 R)
• M22: 24,167,686 km (0.106 R)
• M23: 24,836,089 km (0.093 R)
• M24: 26,010,731 km (0.093 R)
• M25: 27,945,481 km (0.101 R)
• M26: 30,745,654 km (0.063 R)
• M27: 32,443,589 km (0.075 R)
• M28: 34,682,770 km (0.109 R)
• M29: 45,968,883 km (0.105 R)
• M30: 46,406,606 km (0.088 R)
• M31: 46,994,526 km (0.108 R)
• M32: 53,310,847 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 996.9

Radius: 5.6

Gravity: 31.79 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 12.98 AU - 14.18 AU

Year: 19057 Days

Day: 15.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 89,726,638 km

• M1: 69,713 km (0.116 R)
• M2: 313,557 km (0.11 R)
• M3: 727,046 km (0.093 R)
• M4: 970,142 km (0.075 R)
• M5: 1,194,240 km (0.096 R)
• M6: 1,469,201 km (0.108 R)
• M7: 2,062,506 km (0.095 R)
• M8: 5,570,576 km (0.065 R)
• M9: 7,520,584 km (0.046 R)
• M10: 8,136,927 km (0.107 R)
• M11: 8,675,779 km (0.052 R)
• M12: 10,004,956 km (0.08 R)
• M13: 12,916,131 km (0.038 R)
• M14: 14,641,742 km (0.12 R)
• M15: 17,377,887 km (0.089 R)
• M16: 17,999,167 km (0.103 R)
• M17: 19,005,213 km (0.118 R)
• M18: 20,929,490 km (0.114 R)
• M19: 23,944,785 km (0.076 R)
• M20: 26,649,365 km (0.057 R)
• M21: 28,683,896 km (0.117 R)
• M22: 36,115,469 km (0.108 R)
• M23: 38,751,832 km (0.103 R)
• M24: 49,691,925 km (0.062 R)
• M25: 52,762,421 km (0.12 R)
• M26: 54,815,053 km (0.047 R)
• M27: 59,677,134 km (0.12 R)
• M28: 62,315,591 km (0.071 R)
• M29: 64,186,911 km (0.112 R)
• M30: 65,242,623 km (0.049 R)
• M31: 67,823,486 km (0.107 R)
• M32: 73,417,100 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 850.7

Radius: 5.2

Gravity: 31.46 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 12.1 AU - 18.76 AU

Year: 23080 Days

Day: 18.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 89,726,638 km

• M1: 66,870 km (0.096 R)
• M2: 412,591 km (0.095 R)
• M3: 633,996 km (0.109 R)
• M4: 1,216,829 km (0.083 R)
• M5: 2,190,262 km (0.054 R)
• M6: 3,266,769 km (0.117 R)
• M7: 3,952,974 km (0.115 R)
• M8: 4,582,482 km (0.057 R)
• M9: 4,998,663 km (0.069 R)
• M10: 7,016,140 km (0.07 R)
• M11: 7,672,127 km (0.028 R)
• M12: 13,451,392 km (0.081 R)
• M13: 19,197,147 km (0.118 R)
• M14: 25,332,604 km (0.118 R)
• M15: 27,351,577 km (0.094 R)
• M16: 35,477,285 km (0.108 R)
• M17: 39,380,891 km (0.087 R)
• M18: 40,796,087 km (0.045 R)
• M19: 42,408,004 km (0.075 R)
• M20: 42,571,515 km (0.088 R)
• M21: 44,566,253 km (0.083 R)
• M22: 45,930,286 km (0.083 R)
• M23: 57,858,173 km (0.08 R)
• M24: 73,328,089 km (0.09 R)
• M25: 82,130,428 km (0.041 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.5

Radius: 7.9

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 14.87 AU - 23.25 AU

Year: 31687 Days

Day: 19.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 89,726,638 km

• M1: 99,333 km (0.059 R)
• M2: 458,517 km (0.045 R)
• M3: 848,070 km (0.092 R)
• M4: 1,465,311 km (0.11 R)
• M5: 2,980,438 km (0.111 R)
• M6: 3,559,233 km (0.08 R)
• M7: 4,040,788 km (0.101 R)
• M8: 4,314,851 km (0.082 R)
• M9: 5,094,406 km (0.077 R)
• M10: 5,622,038 km (0.092 R)
• M11: 6,230,452 km (0.096 R)
• M12: 7,125,347 km (0.094 R)
• M13: 7,681,252 km (0.098 R)
• M14: 8,540,842 km (0.086 R)
• M15: 9,887,073 km (0.114 R)
• M16: 10,707,617 km (0.067 R)
• M17: 16,178,112 km (0.098 R)
• M18: 16,522,636 km (0.112 R)
• M19: 20,844,967 km (0.096 R)
• M20: 22,831,178 km (0.109 R)
• M21: 24,037,087 km (0.098 R)
• M22: 24,712,371 km (0.044 R)
• M23: 28,156,114 km (0.107 R)
• M24: 31,370,823 km (0.071 R)
• M25: 36,861,364 km (0.08 R)
• M26: 39,754,437 km (0.099 R)
• M27: 44,288,599 km (0.112 R)
• M28: 49,878,922 km (0.091 R)
• M29: 52,091,175 km (0.073 R)
• M30: 55,141,326 km (0.088 R)
• M31: 56,710,159 km (0.095 R)
• M32: 62,014,152 km (0.111 R)
• M33: 66,532,456 km (0.09 R)
• M34: 72,891,413 km (0.063 R)
• M35: 88,655,438 km (0.065 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 19,751 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit