🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.09 AU - 1.67 AU

Year: 575 Days

Day: 25.2 Hours

Environment

Temp: -5 °C

Axial Tilt: 35.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 67,137,146 km

• M1: 138,228 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.94 AU - 2.34 AU

Year: 1111 Days

Day: 37 Hours

Environment

Temp: -59 °C

Axial Tilt: 109.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,137,146 km

• M1: 1,442,423 km (0.087 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.96 AU - 4.86 AU

Year: 2743 Days

Day: 39.4 Hours

Environment

Temp: -109 °C

Axial Tilt: 13.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.94 AU - 5.24 AU

Year: 4074 Days

Day: 34.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 29.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 67,137,146 km

• M1: 41,439 km (0.115 R)
• M2: 218,263 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.5

Radius: 4.9

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 11.02 AU - 18.02 AU

Year: 19629 Days

Day: 20.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,137,146 km

• M1: 61,036 km (0.105 R)
• M2: 252,222 km (0.094 R)
• M3: 404,812 km (0.045 R)
• M4: 746,942 km (0.111 R)
• M5: 956,080 km (0.099 R)
• M6: 1,466,807 km (0.088 R)
• M7: 2,141,942 km (0.077 R)
• M8: 2,688,124 km (0.099 R)
• M9: 3,183,592 km (0.1 R)
• M10: 3,788,865 km (0.055 R)
• M11: 5,853,615 km (0.098 R)
• M12: 6,027,298 km (0.051 R)
• M13: 6,909,926 km (0.112 R)
• M14: 8,130,345 km (0.116 R)
• M15: 10,421,586 km (0.054 R)
• M16: 13,169,250 km (0.12 R)
• M17: 14,965,621 km (0.063 R)
• M18: 17,702,514 km (0.107 R)
• M19: 21,405,511 km (0.09 R)
• M20: 24,951,429 km (0.07 R)
• M21: 26,246,647 km (0.079 R)
• M22: 27,585,997 km (0.071 R)
• M23: 31,556,025 km (0.099 R)
• M24: 36,590,891 km (0.062 R)
• M25: 39,236,380 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880.7

Radius: 7.1

Gravity: 17.47 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 14.21 AU - 15.93 AU

Year: 20754 Days

Day: 22.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 67,137,146 km

• M1: 144,063 km (0.045 R)
• M2: 468,840 km (0.092 R)
• M3: 716,424 km (0.06 R)
• M4: 953,986 km (0.083 R)
• M5: 1,201,869 km (0.074 R)
• M6: 2,154,359 km (0.116 R)
• M7: 2,468,365 km (0.079 R)
• M8: 3,301,775 km (0.071 R)
• M9: 3,846,460 km (0.102 R)
• M10: 5,884,432 km (0.051 R)
• M11: 8,939,969 km (0.107 R)
• M12: 18,386,925 km (0.043 R)
• M13: 22,192,096 km (0.066 R)
• M14: 23,353,424 km (0.116 R)
• M15: 24,443,843 km (0.053 R)
• M16: 27,317,618 km (0.08 R)
• M17: 29,145,854 km (0.073 R)
• M18: 33,044,225 km (0.105 R)
• M19: 33,452,178 km (0.028 R)
• M20: 33,726,092 km (0.097 R)
• M21: 37,423,553 km (0.1 R)
• M22: 38,015,362 km (0.086 R)
• M23: 43,625,731 km (0.092 R)
• M24: 44,446,126 km (0.102 R)
• M25: 45,444,093 km (0.111 R)
• M26: 46,797,954 km (0.064 R)
• M27: 48,878,711 km (0.079 R)
• M28: 57,427,032 km (0.119 R)
• M29: 68,230,093 km (0.087 R)
• M30: 72,951,252 km (0.111 R)
• M31: 81,295,672 km (0.087 R)
• M32: 82,039,173 km (0.089 R)
• M33: 84,804,191 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 910.6

Radius: 3.5

Gravity: 74.33 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 15.37 AU - 16.39 AU

Year: 22450 Days

Day: 18.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 67,137,146 km

• M1: 43,533 km (0.086 R)
• M2: 280,945 km (0.058 R)
• M3: 588,069 km (0.106 R)
• M4: 928,704 km (0.047 R)
• M5: 1,649,317 km (0.114 R)
• M6: 2,362,300 km (0.092 R)
• M7: 2,760,380 km (0.107 R)
• M8: 3,003,028 km (0.088 R)
• M9: 3,318,978 km (0.117 R)
• M10: 4,581,435 km (0.11 R)
• M11: 4,921,620 km (0.117 R)
• M12: 5,999,024 km (0.081 R)
• M13: 8,056,294 km (0.115 R)
• M14: 8,720,658 km (0.088 R)
• M15: 9,124,573 km (0.034 R)
• M16: 10,094,565 km (0.119 R)
• M17: 15,651,378 km (0.068 R)
• M18: 16,161,208 km (0.1 R)
• M19: 18,125,577 km (0.119 R)
• M20: 19,945,136 km (0.105 R)
• M21: 20,950,135 km (0.051 R)
• M22: 22,200,025 km (0.087 R)
• M23: 23,169,419 km (0.067 R)
• M24: 23,388,729 km (0.103 R)
• M25: 23,831,240 km (0.104 R)
• M26: 25,424,158 km (0.032 R)
• M27: 28,820,179 km (0.115 R)
• M28: 31,155,851 km (0.083 R)
• M29: 31,961,585 km (0.075 R)
• M30: 34,178,027 km (0.092 R)
• M31: 39,691,307 km (0.073 R)
• M32: 41,277,044 km (0.093 R)
• M33: 43,401,035 km (0.1 R)
• M34: 45,596,683 km (0.107 R)
• M35: 47,335,160 km (0.097 R)
• M36: 66,325,862 km (0.057 R)
• M37: 69,460,386 km (0.116 R)
• M38: 75,781,494 km (0.107 R)
• M39: 77,236,333 km (0.103 R)
• M40: 80,954,888 km (0.106 R)
• M41: 83,499,099 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261.2

Radius: 7

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 16.23 AU - 19.55 AU

Year: 26844 Days

Day: 17.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,137,146 km

• M1: 313,408 km (0.084 R)
• M2: 734,974 km (0.034 R)
• M3: 1,512,135 km (0.11 R)
• M4: 3,347,552 km (0.087 R)
• M5: 3,679,808 km (0.088 R)
• M6: 4,064,425 km (0.074 R)
• M7: 6,361,350 km (0.101 R)
• M8: 7,595,383 km (0.105 R)
• M9: 12,504,288 km (0.117 R)
• M10: 15,156,957 km (0.075 R)
• M11: 16,614,340 km (0.057 R)
• M12: 19,276,134 km (0.102 R)
• M13: 19,627,689 km (0.091 R)
• M14: 20,525,277 km (0.111 R)
• M15: 23,085,195 km (0.099 R)
• M16: 25,638,382 km (0.073 R)
• M17: 29,288,720 km (0.112 R)
• M18: 33,777,105 km (0.106 R)
• M19: 34,934,244 km (0.071 R)
• M20: 37,056,290 km (0.107 R)
• M21: 37,873,843 km (0.115 R)
• M22: 43,482,865 km (0.112 R)
• M23: 46,248,780 km (0.11 R)
• M24: 50,447,693 km (0.114 R)
• M25: 51,958,332 km (0.034 R)
• M26: 55,600,293 km (0.086 R)
• M27: 56,312,678 km (0.036 R)
• M28: 60,153,304 km (0.043 R)
• M29: 63,775,367 km (0.093 R)
• M30: 66,936,221 km (0.113 R)

Kuiper Belt

Range: 30.9 - 51.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 17,205 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit