🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.58 AU - 0.64 AU

Year: 313 Days

Day: 28.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 1.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.04 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.6

Radius: 12.7

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.27 AU - 1.67 AU

Year: 1169 Days

Day: 8.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,901,406 km

• M1: 157,975 km (0.107 R)
• M2: 635,193 km (0.032 R)
• M3: 1,339,799 km (0.113 R)
• M4: 1,797,119 km (0.072 R)
• M5: 2,222,426 km (0.049 R)
• M6: 2,927,481 km (0.063 R)
• M7: 3,446,286 km (0.1 R)
• M8: 4,430,491 km (0.056 R)
• M9: 4,900,677 km (0.079 R)
• M10: 5,300,701 km (0.109 R)
• M11: 6,975,599 km (0.072 R)
• M12: 8,098,182 km (0.08 R)
• M13: 8,891,649 km (0.071 R)
• M14: 9,550,926 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.9

Radius: 13.9

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.2 AU - 2.34 AU

Year: 2244 Days

Day: 5.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,901,406 km

• M1: 174,431 km (0.114 R)
• M2: 769,980 km (0.082 R)
• M3: 1,366,128 km (0.118 R)
• M4: 1,955,543 km (0.075 R)
• M5: 2,500,379 km (0.062 R)
• M6: 2,937,504 km (0.047 R)
• M7: 3,441,200 km (0.098 R)
• M8: 3,968,832 km (0.056 R)
• M9: 5,352,462 km (0.101 R)
• M10: 8,221,001 km (0.071 R)
• M11: 8,817,149 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.3

Radius: 8

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.16 AU - 2.5 AU

Year: 2333 Days

Day: 11.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,901,406 km

• M1: 99,931 km (0.055 R)
• M2: 588,967 km (0.102 R)
• M3: 974,181 km (0.093 R)
• M4: 1,587,383 km (0.104 R)
• M5: 1,879,548 km (0.074 R)
• M6: 2,716,548 km (0.085 R)
• M7: 3,058,080 km (0.111 R)
• M8: 7,550,354 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.5

Radius: 9.6

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.22 AU - 2.5 AU

Year: 2378 Days

Day: 5.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,901,406 km

• M1: 119,529 km (0.06 R)
• M2: 471,233 km (0.084 R)
• M3: 794,065 km (0.09 R)
• M4: 1,733,540 km (0.057 R)
• M5: 2,265,211 km (0.1 R)
• M6: 2,759,782 km (0.08 R)
• M7: 3,272,154 km (0.027 R)
• M8: 3,711,523 km (0.062 R)
• M9: 4,575,301 km (0.082 R)
• M10: 5,125,821 km (0.041 R)
• M11: 5,517,169 km (0.074 R)
• M12: 6,957,647 km (0.1 R)
• M13: 7,315,934 km (0.12 R)
• M14: 7,655,073 km (0.062 R)
• M15: 9,260,258 km (0.073 R)
• M16: 10,409,319 km (0.106 R)
• M17: 11,118,712 km (0.051 R)
• M18: 12,415,576 km (0.088 R)
• M19: 13,213,382 km (0.112 R)
• M20: 14,667,024 km (0.077 R)
• M21: 16,485,536 km (0.058 R)
• M22: 17,070,015 km (0.084 R)
• M23: 17,558,452 km (0.116 R)
• M24: 18,056,164 km (0.103 R)
• M25: 20,141,558 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.7

Radius: 11.4

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.16 AU - 3.1 AU

Year: 2798 Days

Day: 8.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,901,406 km

• M1: 141,819 km (0.118 R)
• M2: 547,528 km (0.071 R)
• M3: 1,001,707 km (0.081 R)
• M4: 1,603,540 km (0.114 R)
• M5: 2,310,988 km (0.113 R)
• M6: 3,506,125 km (0.075 R)
• M7: 3,861,420 km (0.098 R)
• M8: 4,292,113 km (0.103 R)
• M9: 5,172,197 km (0.092 R)
• M10: 5,697,136 km (0.075 R)
• M11: 7,437,857 km (0.107 R)
• M12: 9,187,703 km (0.116 R)
• M13: 9,717,429 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.6

Radius: 8

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.31 AU - 3.37 AU

Year: 3140 Days

Day: 13.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,901,406 km

• M1: 99,483 km (0.12 R)
• M2: 417,079 km (0.077 R)
• M3: 732,431 km (0.114 R)
• M4: 1,174,642 km (0.077 R)
• M5: 1,564,495 km (0.108 R)
• M6: 2,078,064 km (0.068 R)
• M7: 2,379,953 km (0.108 R)
• M8: 2,907,135 km (0.097 R)
• M9: 3,272,902 km (0.061 R)
• M10: 5,313,567 km (0.055 R)
• M11: 8,132,439 km (0.082 R)
• M12: 8,754,168 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.5

Radius: 11.9

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.88 AU - 4.38 AU

Year: 5506 Days

Day: 8.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,901,406 km

• M1: 147,952 km (0.113 R)
• M2: 762,351 km (0.046 R)
• M3: 1,404,126 km (0.112 R)
• M4: 1,778,868 km (0.086 R)
• M5: 2,335,223 km (0.095 R)
• M6: 2,756,341 km (0.088 R)
• M7: 3,989,626 km (0.098 R)
• M8: 4,361,975 km (0.028 R)
• M9: 5,119,987 km (0.043 R)
• M10: 5,932,004 km (0.052 R)
• M11: 6,553,584 km (0.111 R)
• M12: 7,474,059 km (0.086 R)
• M13: 9,098,243 km (0.104 R)
• M14: 9,791,929 km (0.1 R)
• M15: 12,711,780 km (0.066 R)
• M16: 13,086,672 km (0.109 R)
• M17: 16,736,112 km (0.106 R)
• M18: 20,644,955 km (0.059 R)
• M19: 21,766,789 km (0.104 R)
• M20: 23,086,991 km (0.076 R)
• M21: 24,956,964 km (0.069 R)
• M22: 26,229,743 km (0.059 R)
• M23: 27,013,785 km (0.036 R)
• M24: 32,947,136 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 403.9

Radius: 3.1

Gravity: 42.03 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 8.71 AU - 11.45 AU

Year: 20994 Days

Day: 17.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,901,406 km

• M1: 38,895 km (0.064 R)
• M2: 193,430 km (0.083 R)
• M3: 1,579,305 km (0.092 R)
• M4: 1,962,874 km (0.084 R)
• M5: 2,838,320 km (0.112 R)
• M6: 2,960,392 km (0.106 R)
• M7: 3,215,008 km (0.045 R)
• M8: 3,374,629 km (0.099 R)
• M9: 4,918,180 km (0.08 R)
• M10: 6,120,647 km (0.112 R)
• M11: 7,052,642 km (0.066 R)
• M12: 7,739,895 km (0.084 R)
• M13: 9,843,989 km (0.106 R)
• M14: 13,912,153 km (0.06 R)
• M15: 22,244,455 km (0.105 R)
• M16: 24,724,339 km (0.086 R)
• M17: 31,414,206 km (0.035 R)
• M18: 37,156,222 km (0.057 R)
• M19: 42,518,258 km (0.105 R)
• M20: 44,616,967 km (0.089 R)
• M21: 44,922,296 km (0.099 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 18,113 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit