🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.64 AU - 1.02 AU

Year: 283 Days

Day: 44.9 Hours

Environment

Temp: 166 °C

Axial Tilt: 18.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.84 AU - 0.96 AU

Year: 320 Days

Day: 47.4 Hours

Environment

Temp: 47 °C

Axial Tilt: 21.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 86,831,850 km

• M1: 61,485 km (0.062 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.26 AU - 1.8 AU

Year: 709 Days

Day: 15.5 Hours

Environment

Temp: -49 °C

Axial Tilt: 26.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.68 AU - 2.18 AU

Year: 1005 Days

Day: 22.2 Hours

Environment

Temp: -76 °C

Axial Tilt: 24.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.44 AU - 3.72 AU

Year: 2538 Days

Day: 12.4 Hours

Environment

Temp: -122 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.04 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.7

Radius: 8.2

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.93 AU - 5.05 AU

Year: 3565 Days

Day: 13.2 Hours

Environment

Temp: -129 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,831,850 km

• M1: 110,254 km (0.091 R)
• M2: 365,318 km (0.11 R)
• M3: 672,891 km (0.105 R)
• M4: 1,174,044 km (0.085 R)
• M5: 1,979,030 km (0.038 R)
• M6: 2,235,890 km (0.094 R)
• M7: 5,542,302 km (0.081 R)
• M8: 5,925,871 km (0.027 R)
• M9: 6,381,845 km (0.092 R)
• M10: 9,091,511 km (0.107 R)
• M11: 10,332,276 km (0.112 R)
• M12: 11,435,860 km (0.096 R)
• M13: 15,020,374 km (0.072 R)
• M14: 16,123,659 km (0.054 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.4

Radius: 14

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.22 AU - 5.8 AU

Year: 4847 Days

Day: 13.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,831,850 km

• M1: 176,376 km (0.091 R)
• M2: 614,548 km (0.098 R)
• M3: 1,069,176 km (0.107 R)
• M4: 1,611,618 km (0.08 R)
• M5: 2,049,491 km (0.059 R)
• M6: 2,760,530 km (0.101 R)
• M7: 4,014,908 km (0.063 R)
• M8: 4,628,109 km (0.062 R)
• M9: 6,585,298 km (0.082 R)
• M10: 7,159,604 km (0.065 R)
• M11: 8,027,422 km (0.114 R)
• M12: 8,723,351 km (0.051 R)
• M13: 9,209,395 km (0.055 R)
• M14: 15,119,558 km (0.066 R)
• M15: 16,609,104 km (0.083 R)
• M16: 17,934,242 km (0.071 R)
• M17: 19,602,407 km (0.1 R)
• M18: 20,580,628 km (0.096 R)
• M19: 21,154,037 km (0.115 R)
• M20: 22,034,270 km (0.081 R)
• M21: 28,982,942 km (0.056 R)
• M22: 30,252,429 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.9

Radius: 14.6

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 5.95 AU - 6.03 AU

Year: 5494 Days

Day: 8.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,831,850 km

• M1: 181,612 km (0.073 R)
• M2: 642,224 km (0.066 R)
• M3: 1,423,723 km (0.119 R)
• M4: 2,272,092 km (0.106 R)
• M5: 2,812,440 km (0.105 R)
• M6: 3,273,800 km (0.11 R)
• M7: 5,145,120 km (0.12 R)
• M8: 5,603,039 km (0.045 R)
• M9: 6,485,068 km (0.114 R)
• M10: 7,913,279 km (0.094 R)
• M11: 8,772,868 km (0.104 R)
• M12: 10,965,973 km (0.106 R)
• M13: 15,088,890 km (0.066 R)
• M14: 15,980,045 km (0.051 R)
• M15: 17,353,802 km (0.092 R)
• M16: 21,553,762 km (0.082 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.6

Radius: 13.2

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 11.79 AU - 11.91 AU

Year: 15286 Days

Day: 9.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,831,850 km

• M1: 164,109 km (0.026 R)
• M2: 763,398 km (0.063 R)
• M3: 1,570,030 km (0.112 R)
• M4: 2,486,616 km (0.049 R)
• M5: 3,627,150 km (0.074 R)
• M6: 4,271,468 km (0.115 R)
• M7: 4,763,795 km (0.104 R)
• M8: 5,328,527 km (0.047 R)
• M9: 7,000,432 km (0.098 R)
• M10: 8,851,706 km (0.102 R)
• M11: 13,114,049 km (0.048 R)
• M12: 14,026,296 km (0.115 R)
• M13: 15,904,647 km (0.106 R)
• M14: 21,905,766 km (0.073 R)
• M15: 33,141,164 km (0.094 R)
• M16: 40,520,378 km (0.051 R)
• M17: 43,299,308 km (0.083 R)
• M18: 45,759,595 km (0.092 R)
• M19: 54,854,098 km (0.074 R)

Asteroid Belt

Center: 14.76 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 17.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.5

Radius: 5

Gravity: 21.06 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 15.17 AU - 20.15 AU

Year: 27811 Days

Day: 19.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 86,831,850 km

• M1: 62,233 km (0.116 R)
• M2: 235,766 km (0.07 R)
• M3: 444,904 km (0.091 R)
• M4: 948,750 km (0.062 R)
• M5: 1,535,024 km (0.076 R)
• M6: 3,124,052 km (0.057 R)
• M7: 4,637,983 km (0.113 R)
• M8: 7,760,090 km (0.104 R)
• M9: 8,021,887 km (0.062 R)
• M10: 11,437,356 km (0.104 R)
• M11: 11,845,159 km (0.079 R)
• M12: 15,137,659 km (0.102 R)
• M13: 16,131,288 km (0.052 R)
• M14: 18,064,691 km (0.072 R)
• M15: 20,542,331 km (0.077 R)
• M16: 24,782,084 km (0.078 R)
• M17: 25,008,126 km (0.11 R)
• M18: 25,926,209 km (0.104 R)
• M19: 26,159,282 km (0.103 R)
• M20: 28,690,927 km (0.118 R)
• M21: 28,940,157 km (0.085 R)
• M22: 30,596,056 km (0.085 R)
• M23: 35,509,149 km (0.052 R)
• M24: 36,521,927 km (0.099 R)
• M25: 42,035,805 km (0.085 R)
• M26: 42,680,721 km (0.074 R)
• M27: 44,488,312 km (0.103 R)
• M28: 44,989,914 km (0.09 R)
• M29: 54,486,088 km (0.099 R)
• M30: 58,390,592 km (0.043 R)
• M31: 62,268,917 km (0.12 R)
• M32: 71,672,639 km (0.087 R)
• M33: 73,753,695 km (0.056 R)
• M34: 76,590,819 km (0.066 R)
• M35: 77,070,579 km (0.052 R)
• M36: 85,022,454 km (0.093 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 17,675 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit