🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.47 AU - 0.53 AU

Year: 134 Days

Day: 32.2 Hours

Environment

Temp: 177 °C

Axial Tilt: 31 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.58 AU - 0.8 AU

Year: 217 Days

Day: 31.5 Hours

Environment

Temp: 167 °C

Axial Tilt: 17.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.55 AU - 0.85 AU

Year: 222 Days

Day: 35.5 Hours

Environment

Temp: 163 °C

Axial Tilt: 3.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.57 AU - 1.89 AU

Year: 862 Days

Day: 28.2 Hours

Environment

Temp: -75 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 73,106,834 km

• M1: 47,871 km (0.114 R)
• M2: 202,107 km (0.1 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.43 AU - 2.75 AU

Year: 1579 Days

Day: 23.3 Hours

Environment

Temp: -108 °C

Axial Tilt: 45.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.4

Radius: 12.9

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 5.16 AU - 5.66 AU

Year: 4766 Days

Day: 9.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,106,834 km

• M1: 161,267 km (0.069 R)
• M2: 629,957 km (0.036 R)
• M3: 1,032,525 km (0.052 R)
• M4: 1,490,593 km (0.077 R)
• M5: 1,988,156 km (0.077 R)
• M6: 2,449,366 km (0.077 R)
• M7: 3,508,968 km (0.103 R)
• M8: 7,069,846 km (0.099 R)
• M9: 7,724,636 km (0.103 R)
• M10: 9,437,980 km (0.092 R)
• M11: 10,802,013 km (0.08 R)
• M12: 11,578,127 km (0.061 R)
• M13: 12,244,885 km (0.113 R)
• M14: 13,971,244 km (0.115 R)
• M15: 15,003,918 km (0.116 R)
• M16: 15,567,454 km (0.057 R)
• M17: 18,344,289 km (0.119 R)
• M18: 19,917,012 km (0.106 R)
• M19: 20,323,918 km (0.095 R)
• M20: 22,956,990 km (0.104 R)
• M21: 25,174,030 km (0.071 R)
• M22: 27,363,246 km (0.064 R)
• M23: 28,205,332 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.9

Radius: 12.6

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.05 AU - 6.09 AU

Year: 4979 Days

Day: 7.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,106,834 km

• M1: 156,779 km (0.061 R)
• M2: 567,275 km (0.118 R)
• M3: 1,070,822 km (0.091 R)
• M4: 1,941,930 km (0.098 R)
• M5: 2,939,748 km (0.058 R)
• M6: 3,976,760 km (0.112 R)
• M7: 4,396,532 km (0.114 R)
• M8: 5,779,564 km (0.087 R)
• M9: 7,331,343 km (0.115 R)
• M10: 9,714,437 km (0.113 R)
• M11: 10,135,405 km (0.1 R)
• M12: 11,059,322 km (0.107 R)
• M13: 14,657,151 km (0.098 R)
• M14: 16,960,958 km (0.114 R)
• M15: 19,232,302 km (0.097 R)
• M16: 19,897,714 km (0.031 R)
• M17: 25,229,382 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.8

Radius: 9.3

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.83 AU - 11.23 AU

Year: 10277 Days

Day: 7.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,106,834 km

• M1: 115,789 km (0.049 R)
• M2: 539,151 km (0.107 R)
• M3: 1,105,827 km (0.085 R)
• M4: 1,525,599 km (0.106 R)
• M5: 1,926,970 km (0.072 R)
• M6: 4,004,436 km (0.109 R)
• M7: 5,240,413 km (0.059 R)
• M8: 5,962,522 km (0.101 R)
• M9: 6,857,118 km (0.047 R)
• M10: 9,984,910 km (0.107 R)
• M11: 11,043,165 km (0.11 R)
• M12: 11,548,208 km (0.114 R)
• M13: 12,121,467 km (0.108 R)
• M14: 13,156,235 km (0.06 R)
• M15: 16,031,357 km (0.037 R)
• M16: 17,683,516 km (0.106 R)
• M17: 20,482,641 km (0.036 R)
• M18: 22,505,055 km (0.078 R)
• M19: 24,486,778 km (0.077 R)
• M20: 25,520,050 km (0.081 R)
• M21: 28,230,016 km (0.093 R)
• M22: 37,501,942 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 334.7

Radius: 6.6

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 13.5 AU - 20.84 AU

Year: 26947 Days

Day: 15.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,106,834 km

• M1: 85,420 km (0.113 R)
• M2: 295,605 km (0.093 R)
• M3: 1,336,208 km (0.117 R)
• M4: 1,900,192 km (0.09 R)
• M5: 2,236,638 km (0.114 R)
• M6: 3,133,178 km (0.073 R)
• M7: 4,249,328 km (0.104 R)
• M8: 6,010,394 km (0.078 R)
• M9: 7,329,996 km (0.101 R)
• M10: 10,173,254 km (0.053 R)
• M11: 12,099,476 km (0.037 R)
• M12: 13,323,037 km (0.105 R)
• M13: 19,225,122 km (0.046 R)
• M14: 20,886,107 km (0.053 R)
• M15: 35,677,447 km (0.079 R)
• M16: 38,034,361 km (0.063 R)
• M17: 46,206,594 km (0.086 R)
• M18: 64,286,693 km (0.088 R)
• M19: 69,657,406 km (0.09 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 12,691 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit