🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.47 AU - 0.61 AU

Year: 256 Days

Day: 37.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 44 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 50,176,778 km

• M1: 70,461 km (0.104 R)
• M2: 252,521 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.53 AU - 0.77 AU

Year: 338 Days

Day: 28.3 Hours

Environment

Temp: -132 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,176,778 km

• M1: 52,958 km (0.068 R)

Asteroid Belt

Center: 1.58 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.8

Radius: 8

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.21 AU - 2.81 AU

Year: 2568 Days

Day: 7.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,176,778 km

• M1: 99,483 km (0.089 R)
• M2: 642,972 km (0.088 R)
• M3: 1,473,689 km (0.117 R)
• M4: 1,840,203 km (0.088 R)
• M5: 2,368,882 km (0.086 R)
• M6: 3,203,040 km (0.12 R)
• M7: 3,465,584 km (0.073 R)
• M8: 4,288,971 km (0.083 R)
• M9: 6,638,854 km (0.112 R)
• M10: 7,875,879 km (0.1 R)
• M11: 8,384,063 km (0.058 R)
• M12: 8,999,509 km (0.084 R)
• M13: 9,826,037 km (0.11 R)
• M14: 10,195,394 km (0.094 R)
• M15: 10,929,172 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.9

Radius: 14.8

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.25 AU - 3.35 AU

Year: 3025 Days

Day: 8.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,176,778 km

• M1: 184,005 km (0.037 R)
• M2: 784,940 km (0.109 R)
• M3: 1,262,606 km (0.062 R)
• M4: 1,766,152 km (0.029 R)
• M5: 2,280,171 km (0.074 R)
• M6: 3,287,413 km (0.118 R)
• M7: 4,140,121 km (0.074 R)
• M8: 5,485,156 km (0.038 R)
• M9: 6,923,988 km (0.108 R)
• M10: 8,293,706 km (0.077 R)
• M11: 9,611,214 km (0.105 R)
• M12: 10,577,766 km (0.094 R)
• M13: 11,523,374 km (0.109 R)
• M14: 12,390,743 km (0.102 R)
• M15: 12,931,838 km (0.052 R)
• M16: 13,677,883 km (0.027 R)
• M17: 15,461,688 km (0.116 R)
• M18: 20,530,961 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.3

Radius: 9.1

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.43 AU - 3.57 AU

Year: 3355 Days

Day: 13.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,176,778 km

• M1: 113,246 km (0.099 R)
• M2: 521,797 km (0.091 R)
• M3: 845,228 km (0.06 R)
• M4: 1,333,216 km (0.111 R)
• M5: 1,697,038 km (0.104 R)
• M6: 2,179,043 km (0.064 R)
• M7: 3,138,563 km (0.096 R)
• M8: 3,926,645 km (0.106 R)
• M9: 5,508,493 km (0.058 R)
• M10: 5,838,805 km (0.116 R)
• M11: 6,182,132 km (0.117 R)
• M12: 6,794,286 km (0.102 R)
• M13: 8,908,703 km (0.112 R)
• M14: 10,515,384 km (0.09 R)
• M15: 10,905,834 km (0.086 R)
• M16: 13,184,509 km (0.047 R)
• M17: 14,197,885 km (0.066 R)
• M18: 16,171,979 km (0.1 R)
• M19: 16,798,195 km (0.094 R)
• M20: 19,118,159 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.7

Radius: 11.5

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.9 AU - 5.02 AU

Year: 6082 Days

Day: 7.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,176,778 km

• M1: 143,016 km (0.113 R)
• M2: 521,049 km (0.102 R)
• M3: 939,026 km (0.063 R)
• M4: 1,491,042 km (0.074 R)
• M5: 2,518,031 km (0.052 R)
• M6: 3,780,488 km (0.089 R)
• M7: 4,728,041 km (0.115 R)
• M8: 6,872,526 km (0.094 R)
• M9: 9,369,913 km (0.089 R)
• M10: 9,871,066 km (0.089 R)
• M11: 10,968,965 km (0.108 R)
• M12: 12,977,316 km (0.118 R)
• M13: 15,484,128 km (0.094 R)
• M14: 16,851,452 km (0.116 R)
• M15: 17,420,373 km (0.11 R)
• M16: 19,265,812 km (0.116 R)
• M17: 19,950,970 km (0.104 R)
• M18: 20,781,538 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.3

Radius: 4.2

Gravity: 47.75 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 6.88 AU - 7.18 AU

Year: 12035 Days

Day: 17.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 50,176,778 km

• M1: 52,658 km (0.031 R)
• M2: 204,799 km (0.064 R)
• M3: 385,215 km (0.113 R)
• M4: 670,348 km (0.114 R)
• M5: 1,037,611 km (0.107 R)
• M6: 1,207,554 km (0.083 R)
• M7: 1,512,434 km (0.117 R)
• M8: 1,815,221 km (0.061 R)
• M9: 2,195,798 km (0.086 R)
• M10: 2,693,510 km (0.112 R)
• M11: 2,898,309 km (0.115 R)
• M12: 3,089,046 km (0.116 R)
• M13: 4,231,376 km (0.104 R)
• M14: 4,635,440 km (0.101 R)
• M15: 5,412,900 km (0.086 R)
• M16: 7,935,269 km (0.07 R)
• M17: 8,452,280 km (0.077 R)
• M18: 8,645,710 km (0.05 R)
• M19: 9,449,200 km (0.068 R)
• M20: 9,816,014 km (0.102 R)
• M21: 10,083,794 km (0.087 R)
• M22: 10,746,213 km (0.108 R)
• M23: 13,034,911 km (0.113 R)
• M24: 16,439,759 km (0.106 R)
• M25: 16,817,344 km (0.106 R)
• M26: 26,760,965 km (0.04 R)
• M27: 34,458,523 km (0.054 R)
• M28: 35,576,318 km (0.106 R)
• M29: 37,362,816 km (0.059 R)
• M30: 38,410,151 km (0.101 R)
• M31: 40,289,699 km (0.095 R)
• M32: 44,230,854 km (0.12 R)
• M33: 49,352,637 km (0.072 R)
• M34: 51,894,005 km (0.081 R)
• M35: 53,525,819 km (0.113 R)
• M36: 54,354,442 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.3

Radius: 6.4

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 7.32 AU - 8.62 AU

Year: 14528 Days

Day: 21.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,176,778 km

• M1: 80,184 km (0.106 R)
• M2: 317,147 km (0.086 R)
• M3: 738,116 km (0.093 R)
• M4: 1,445,714 km (0.106 R)
• M5: 1,946,268 km (0.093 R)
• M6: 3,532,305 km (0.117 R)
• M7: 4,007,278 km (0.088 R)
• M8: 4,736,568 km (0.1 R)
• M9: 6,569,890 km (0.117 R)
• M10: 8,323,925 km (0.08 R)
• M11: 8,736,815 km (0.116 R)
• M12: 14,613,618 km (0.087 R)
• M13: 15,350,238 km (0.058 R)
• M14: 16,465,490 km (0.028 R)
• M15: 17,410,649 km (0.041 R)
• M16: 19,091,680 km (0.102 R)
• M17: 20,380,167 km (0.075 R)
• M18: 21,045,728 km (0.099 R)
• M19: 28,107,794 km (0.077 R)
• M20: 28,312,295 km (0.106 R)
• M21: 29,140,618 km (0.081 R)
• M22: 33,640,821 km (0.03 R)
• M23: 35,515,731 km (0.117 R)
• M24: 38,205,950 km (0.102 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 16,612 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit