🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.5 AU - 0.72 AU

Year: 176 Days

Day: 24.5 Hours

Environment

Temp: 135 °C

Axial Tilt: 8.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 86,029,248 km

• M1: 41,738 km (0.09 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.01 AU - 1.17 AU

Year: 420 Days

Day: 20.7 Hours

Environment

Temp: 7 °C

Axial Tilt: 38.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.1 AU - 1.38 AU

Year: 509 Days

Day: 35.4 Hours

Environment

Temp: -17 °C

Axial Tilt: 21.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.23 AU - 1.37 AU

Year: 547 Days

Day: 47.9 Hours

Environment

Temp: -9 °C

Axial Tilt: 26.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 86,029,248 km

• M1: 129,552 km (0.112 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.83 AU - 2.27 AU

Year: 1083 Days

Day: 30 Hours

Environment

Temp: -64 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.78 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.1

Radius: 9.5

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5 AU - 6 AU

Year: 4759 Days

Day: 14.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,029,248 km

• M1: 118,182 km (0.101 R)
• M2: 563,386 km (0.081 R)
• M3: 921,373 km (0.082 R)
• M4: 1,317,060 km (0.073 R)
• M5: 1,642,435 km (0.115 R)
• M6: 1,971,401 km (0.095 R)
• M7: 2,387,432 km (0.077 R)
• M8: 5,694,892 km (0.114 R)
• M9: 7,474,658 km (0.115 R)
• M10: 10,557,720 km (0.071 R)
• M11: 13,030,124 km (0.101 R)
• M12: 13,727,400 km (0.028 R)
• M13: 14,498,577 km (0.106 R)
• M14: 21,292,265 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365

Radius: 11.6

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 8.48 AU - 12.86 AU

Year: 12859 Days

Day: 11.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 86,029,248 km

• M1: 144,362 km (0.116 R)
• M2: 586,872 km (0.11 R)
• M3: 1,086,529 km (0.049 R)
• M4: 1,659,489 km (0.066 R)
• M5: 2,445,925 km (0.08 R)
• M6: 4,516,509 km (0.097 R)
• M7: 5,700,277 km (0.076 R)
• M8: 6,079,059 km (0.085 R)
• M9: 7,080,617 km (0.03 R)
• M10: 7,933,175 km (0.097 R)
• M11: 9,745,104 km (0.115 R)
• M12: 11,544,168 km (0.06 R)
• M13: 12,322,526 km (0.067 R)
• M14: 12,782,689 km (0.061 R)
• M15: 16,539,840 km (0.12 R)
• M16: 17,601,087 km (0.078 R)
• M17: 22,219,173 km (0.091 R)
• M18: 23,161,490 km (0.12 R)
• M19: 23,774,842 km (0.112 R)
• M20: 27,005,557 km (0.117 R)
• M21: 27,783,167 km (0.026 R)
• M22: 28,876,727 km (0.108 R)
• M23: 29,587,317 km (0.115 R)
• M24: 36,753,803 km (0.11 R)
• M25: 37,468,582 km (0.086 R)
• M26: 38,071,162 km (0.106 R)
• M27: 45,542,229 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687.3

Radius: 4.1

Gravity: 40.89 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 11.92 AU - 18.14 AU

Year: 21499 Days

Day: 17.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 86,029,248 km

• M1: 51,013 km (0.074 R)
• M2: 501,452 km (0.063 R)
• M3: 719,267 km (0.074 R)
• M4: 973,134 km (0.052 R)
• M5: 1,127,968 km (0.119 R)
• M6: 2,122,644 km (0.093 R)
• M7: 2,407,778 km (0.079 R)
• M8: 4,196,519 km (0.085 R)
• M9: 9,506,795 km (0.052 R)
• M10: 10,096,360 km (0.07 R)
• M11: 11,025,961 km (0.097 R)
• M12: 14,230,497 km (0.114 R)
• M13: 15,079,465 km (0.119 R)
• M14: 15,798,882 km (0.09 R)
• M15: 17,133,594 km (0.106 R)
• M16: 19,930,476 km (0.106 R)
• M17: 28,280,879 km (0.111 R)
• M18: 29,495,913 km (0.056 R)
• M19: 30,871,914 km (0.054 R)
• M20: 31,126,679 km (0.112 R)
• M21: 32,029,203 km (0.114 R)
• M22: 33,081,924 km (0.116 R)
• M23: 34,979,273 km (0.116 R)
• M24: 35,256,179 km (0.065 R)
• M25: 40,492,404 km (0.118 R)
• M26: 42,503,897 km (0.053 R)
• M27: 48,591,333 km (0.088 R)
• M28: 49,456,009 km (0.101 R)
• M29: 53,566,061 km (0.119 R)
• M30: 54,860,681 km (0.116 R)
• M31: 55,798,211 km (0.111 R)
• M32: 56,176,095 km (0.103 R)
• M33: 58,869,604 km (0.103 R)
• M34: 60,049,932 km (0.064 R)
• M35: 64,305,094 km (0.117 R)
• M36: 65,556,779 km (0.071 R)
• M37: 65,766,964 km (0.058 R)
• M38: 69,409,074 km (0.028 R)
• M39: 73,183,428 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.7

Radius: 7.7

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 17.32 AU - 18.54 AU

Year: 28012 Days

Day: 15.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 86,029,248 km

• M1: 99,782 km (0.11 R)
• M2: 397,482 km (0.12 R)
• M3: 704,008 km (0.088 R)
• M4: 1,844,243 km (0.118 R)
• M5: 3,018,586 km (0.034 R)
• M6: 3,533,203 km (0.086 R)
• M7: 4,105,115 km (0.104 R)
• M8: 4,700,365 km (0.067 R)
• M9: 5,154,095 km (0.108 R)
• M10: 5,720,174 km (0.096 R)
• M11: 6,462,329 km (0.115 R)
• M12: 6,928,027 km (0.039 R)
• M13: 8,243,890 km (0.098 R)
• M14: 9,017,610 km (0.083 R)
• M15: 10,205,716 km (0.072 R)
• M16: 12,318,637 km (0.086 R)
• M17: 13,034,612 km (0.114 R)
• M18: 16,862,373 km (0.028 R)
• M19: 17,299,797 km (0.043 R)
• M20: 18,106,129 km (0.088 R)
• M21: 21,176,476 km (0.098 R)
• M22: 23,478,039 km (0.065 R)
• M23: 29,697,421 km (0.045 R)
• M24: 30,722,466 km (0.116 R)
• M25: 31,243,814 km (0.046 R)
• M26: 36,348,991 km (0.075 R)
• M27: 42,786,936 km (0.076 R)
• M28: 47,130,959 km (0.09 R)
• M29: 54,184,199 km (0.056 R)
• M30: 62,532,658 km (0.115 R)
• M31: 68,328,977 km (0.089 R)
• M32: 68,771,936 km (0.098 R)
• M33: 71,698,819 km (0.076 R)
• M34: 80,728,397 km (0.094 R)
• M35: 83,983,347 km (0.113 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 19,929 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit