🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.02 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.81 AU - 2.25 AU

Year: 1073 Days

Day: 47.1 Hours

Environment

Temp: -82 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.04 AU - 2.24 AU

Year: 1161 Days

Day: 33 Hours

Environment

Temp: -74 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.51 AU - 3.59 AU

Year: 1975 Days

Day: 16 Hours

Environment

Temp: -111 °C

Axial Tilt: 50 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,217,098 km

• M1: 1,647,970 km (0.076 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.58 AU - 3.78 AU

Year: 2618 Days

Day: 31.8 Hours

Environment

Temp: -118 °C

Axial Tilt: 14.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,217,098 km

• M1: 438,322 km (0.115 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.56 AU - 4.8 AU

Year: 3169 Days

Day: 43.4 Hours

Environment

Temp: -130 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,217,098 km

• M1: 35,903 km (0.095 R)

Asteroid Belt

Center: 4.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.9

Radius: 10.5

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.51 AU - 5.29 AU

Year: 4023 Days

Day: 13.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,217,098 km

• M1: 132,245 km (0.042 R)
• M2: 581,188 km (0.098 R)
• M3: 954,883 km (0.101 R)
• M4: 1,568,085 km (0.03 R)
• M5: 1,958,236 km (0.118 R)
• M6: 2,473,002 km (0.114 R)
• M7: 4,788,628 km (0.07 R)
• M8: 6,029,542 km (0.105 R)
• M9: 6,815,829 km (0.113 R)
• M10: 8,138,573 km (0.094 R)
• M11: 9,935,243 km (0.102 R)
• M12: 11,849,498 km (0.111 R)
• M13: 12,661,515 km (0.088 R)
• M14: 14,196,240 km (0.113 R)
• M15: 15,112,227 km (0.067 R)
• M16: 17,631,605 km (0.111 R)
• M17: 18,155,497 km (0.1 R)
• M18: 21,453,531 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.6

Radius: 9.5

Gravity: 10.99 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 7.95 AU - 8.79 AU

Year: 8980 Days

Day: 5.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 86,217,098 km

• M1: 119,080 km (0.061 R)
• M2: 468,989 km (0.071 R)
• M3: 1,023,698 km (0.097 R)
• M4: 1,768,097 km (0.112 R)
• M5: 2,526,708 km (0.101 R)
• M6: 3,128,091 km (0.091 R)
• M7: 3,563,272 km (0.119 R)
• M8: 3,902,260 km (0.1 R)
• M9: 4,830,066 km (0.09 R)
• M10: 5,279,458 km (0.072 R)
• M11: 7,614,532 km (0.091 R)
• M12: 11,213,408 km (0.119 R)
• M13: 11,547,310 km (0.092 R)
• M14: 11,887,944 km (0.053 R)
• M15: 12,293,803 km (0.1 R)
• M16: 12,889,502 km (0.1 R)
• M17: 13,692,693 km (0.113 R)
• M18: 14,074,467 km (0.097 R)
• M19: 15,466,774 km (0.09 R)
• M20: 16,231,818 km (0.115 R)
• M21: 16,587,711 km (0.112 R)
• M22: 17,988,246 km (0.087 R)
• M23: 18,834,073 km (0.111 R)
• M24: 19,227,366 km (0.038 R)
• M25: 21,106,913 km (0.083 R)
• M26: 22,396,896 km (0.083 R)
• M27: 23,556,728 km (0.119 R)
• M28: 34,784,497 km (0.054 R)
• M29: 36,581,317 km (0.099 R)
• M30: 36,947,981 km (0.1 R)
• M31: 39,970,307 km (0.107 R)
• M32: 43,562,900 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.5

Radius: 8.2

Gravity: 14.73 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 7.42 AU - 11.28 AU

Year: 10603 Days

Day: 8.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 86,217,098 km

• M1: 102,026 km (0.082 R)
• M2: 586,573 km (0.113 R)
• M3: 1,363,585 km (0.104 R)
• M4: 1,827,039 km (0.086 R)
• M5: 2,293,635 km (0.106 R)
• M6: 2,640,253 km (0.075 R)
• M7: 3,413,524 km (0.092 R)
• M8: 3,729,475 km (0.063 R)
• M9: 5,059,550 km (0.119 R)
• M10: 5,542,302 km (0.093 R)
• M11: 8,242,693 km (0.097 R)
• M12: 8,716,769 km (0.115 R)
• M13: 9,876,302 km (0.109 R)
• M14: 11,307,205 km (0.109 R)
• M15: 11,892,732 km (0.119 R)
• M16: 12,808,719 km (0.088 R)
• M17: 17,327,173 km (0.091 R)
• M18: 17,791,226 km (0.082 R)
• M19: 19,898,910 km (0.107 R)
• M20: 20,322,422 km (0.096 R)
• M21: 20,838,684 km (0.103 R)
• M22: 21,987,147 km (0.116 R)
• M23: 24,797,792 km (0.064 R)
• M24: 25,785,587 km (0.04 R)
• M25: 28,156,414 km (0.084 R)
• M26: 32,385,845 km (0.061 R)
• M27: 34,773,427 km (0.086 R)
• M28: 35,141,288 km (0.111 R)
• M29: 36,639,211 km (0.067 R)
• M30: 39,229,648 km (0.081 R)
• M31: 40,434,210 km (0.103 R)
• M32: 44,916,761 km (0.103 R)
• M33: 46,087,065 km (0.089 R)
• M34: 52,084,743 km (0.12 R)
• M35: 52,405,630 km (0.119 R)
• M36: 53,051,444 km (0.107 R)
• M37: 53,702,344 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750.4

Radius: 3.4

Gravity: 64.91 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 15.2 AU - 16.18 AU

Year: 23048 Days

Day: 15.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 86,217,098 km

• M1: 42,486 km (0.094 R)
• M2: 202,705 km (0.12 R)
• M3: 363,224 km (0.09 R)
• M4: 1,160,580 km (0.054 R)
• M5: 1,592,170 km (0.114 R)
• M6: 1,834,519 km (0.113 R)
• M7: 1,995,486 km (0.067 R)
• M8: 2,144,037 km (0.075 R)
• M9: 3,195,859 km (0.069 R)
• M10: 3,580,924 km (0.109 R)
• M11: 3,705,390 km (0.114 R)
• M12: 5,193,440 km (0.109 R)
• M13: 5,599,000 km (0.107 R)
• M14: 6,472,501 km (0.119 R)
• M15: 6,893,769 km (0.091 R)
• M16: 9,513,078 km (0.1 R)
• M17: 9,873,459 km (0.07 R)
• M18: 12,089,453 km (0.097 R)
• M19: 13,536,513 km (0.11 R)
• M20: 15,257,188 km (0.111 R)
• M21: 16,682,706 km (0.111 R)
• M22: 18,012,182 km (0.119 R)
• M23: 18,656,051 km (0.115 R)
• M24: 19,602,258 km (0.096 R)
• M25: 20,980,204 km (0.108 R)
• M26: 23,707,971 km (0.115 R)
• M27: 31,541,365 km (0.079 R)
• M28: 33,154,179 km (0.058 R)
• M29: 43,833,672 km (0.06 R)
• M30: 52,406,079 km (0.068 R)
• M31: 63,073,305 km (0.103 R)
• M32: 74,863,562 km (0.12 R)
• M33: 80,653,747 km (0.071 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 13,960 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit