🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.8 AU - 0.9 AU

Year: 294 Days

Day: 29.8 Hours

Environment

Temp: 144 °C

Axial Tilt: 13.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.37 AU - 1.41 AU

Year: 614 Days

Day: 44.8 Hours

Environment

Temp: -39 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 57,930,790 km

• M1: 147,354 km (0.1 R)
• M2: 361,877 km (0.047 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.34 AU - 1.7 AU

Year: 702 Days

Day: 17.8 Hours

Environment

Temp: -54 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.28 AU - 1.86 AU

Year: 737 Days

Day: 20.2 Hours

Environment

Temp: -52 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.67 AU - 2.57 AU

Year: 1157 Days

Day: 17.1 Hours

Environment

Temp: -70 °C

Axial Tilt: 42.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.28 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 12.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 635.1

Radius: 4.4

Gravity: 32.8 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 11.73 AU - 13.13 AU

Year: 16422 Days

Day: 23.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,930,790 km

• M1: 54,753 km (0.074 R)
• M2: 283,039 km (0.066 R)
• M3: 606,619 km (0.095 R)
• M4: 1,058,255 km (0.051 R)
• M5: 1,527,993 km (0.107 R)
• M6: 1,723,517 km (0.078 R)
• M7: 2,125,487 km (0.115 R)
• M8: 2,476,742 km (0.064 R)
• M9: 4,183,804 km (0.116 R)
• M10: 4,905,165 km (0.101 R)
• M11: 5,151,253 km (0.111 R)
• M12: 6,717,842 km (0.099 R)
• M13: 7,702,346 km (0.102 R)
• M14: 7,891,288 km (0.076 R)
• M15: 8,278,148 km (0.11 R)
• M16: 9,787,291 km (0.114 R)
• M17: 11,655,021 km (0.043 R)
• M18: 13,135,591 km (0.112 R)
• M19: 14,882,146 km (0.03 R)
• M20: 15,323,310 km (0.081 R)
• M21: 16,620,473 km (0.097 R)
• M22: 17,497,715 km (0.039 R)
• M23: 18,828,238 km (0.058 R)
• M24: 20,584,517 km (0.089 R)
• M25: 24,115,775 km (0.107 R)
• M26: 24,826,365 km (0.025 R)
• M27: 27,368,781 km (0.068 R)
• M28: 31,861,504 km (0.106 R)
• M29: 38,445,606 km (0.059 R)
• M30: 44,051,935 km (0.115 R)
• M31: 52,679,394 km (0.114 R)
• M32: 53,359,915 km (0.104 R)
• M33: 59,565,983 km (0.112 R)
• M34: 61,236,243 km (0.103 R)
• M35: 61,423,689 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 699.1

Radius: 4.1

Gravity: 41.59 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 14.02 AU - 17.06 AU

Year: 22956 Days

Day: 15.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,930,790 km

• M1: 53,706 km (0.085 R)
• M2: 2,055,924 km (0.119 R)
• M3: 2,227,662 km (0.096 R)
• M4: 3,263,328 km (0.118 R)
• M5: 4,132,342 km (0.043 R)
• M6: 5,382,382 km (0.086 R)
• M7: 5,667,964 km (0.111 R)
• M8: 6,403,537 km (0.109 R)
• M9: 7,397,316 km (0.052 R)
• M10: 8,381,370 km (0.099 R)
• M11: 9,985,957 km (0.096 R)
• M12: 14,477,035 km (0.062 R)
• M13: 14,949,166 km (0.071 R)
• M14: 16,596,986 km (0.119 R)
• M15: 18,089,524 km (0.108 R)
• M16: 18,453,346 km (0.101 R)
• M17: 22,259,864 km (0.115 R)
• M18: 24,400,909 km (0.092 R)
• M19: 25,863,677 km (0.03 R)
• M20: 27,146,329 km (0.085 R)
• M21: 63,090,658 km (0.031 R)
• M22: 64,769,745 km (0.111 R)
• M23: 68,876,655 km (0.108 R)
• M24: 77,365,586 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.8

Radius: 3

Gravity: 17.98 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 14.12 AU - 19.82 AU

Year: 26197 Days

Day: 22.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,930,790 km

• M1: 37,399 km (0.101 R)
• M2: 188,493 km (0.119 R)
• M3: 550,969 km (0.115 R)
• M4: 5,731,543 km (0.101 R)
• M5: 7,414,070 km (0.108 R)
• M6: 8,179,712 km (0.111 R)
• M7: 12,935,578 km (0.115 R)
• M8: 21,569,320 km (0.075 R)
• M9: 22,017,366 km (0.1 R)
• M10: 22,746,955 km (0.095 R)
• M11: 31,518,925 km (0.088 R)
• M12: 44,716,898 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.9

Radius: 5.8

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 16.33 AU - 19.65 AU

Year: 28594 Days

Day: 15.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,930,790 km

• M1: 167,250 km (0.097 R)
• M2: 521,199 km (0.04 R)
• M3: 1,100,891 km (0.057 R)
• M4: 2,132,518 km (0.071 R)
• M5: 2,617,215 km (0.03 R)
• M6: 4,030,765 km (0.07 R)
• M7: 5,415,144 km (0.116 R)
• M8: 8,114,039 km (0.064 R)
• M9: 10,342,299 km (0.105 R)
• M10: 17,945,611 km (0.043 R)
• M11: 25,975,277 km (0.093 R)
• M12: 40,723,383 km (0.064 R)
• M13: 42,957,926 km (0.074 R)
• M14: 45,716,212 km (0.045 R)
• M15: 48,436,051 km (0.094 R)
• M16: 50,466,094 km (0.085 R)
• M17: 52,878,210 km (0.105 R)
• M18: 53,205,530 km (0.039 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 13,977 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit